AU546930B2

AU546930B2 – Single mode optical fibre
– Google Patents

AU546930B2 – Single mode optical fibre
– Google Patents
Single mode optical fibre

Info

Publication number
AU546930B2

AU546930B2
AU81921/82A
AU8192182A
AU546930B2
AU 546930 B2
AU546930 B2
AU 546930B2
AU 81921/82 A
AU81921/82 A
AU 81921/82A
AU 8192182 A
AU8192182 A
AU 8192182A
AU 546930 B2
AU546930 B2
AU 546930B2
Authority
AU
Australia
Prior art keywords
optical fibre
single mode
mode optical
fibre
optical
Prior art date
1981-03-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Expired

Application number
AU81921/82A
Other versions

AU8192182A
(en

Inventor
Michael Gregg Blankenship
Donald Bruce Keck
Arnab Sarkar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Corning Glass Works

Original Assignee
Corning Glass Works
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1981-03-30
Filing date
1982-03-25
Publication date
1985-09-26

1981-03-30
Priority claimed from US06/248,947
external-priority
patent/US4415230A/en

1981-03-30
Priority claimed from US06/249,022
external-priority
patent/US4360371A/en

1981-04-13
Priority claimed from US06/253,224
external-priority
patent/US4395270A/en

1982-03-25
Application filed by Corning Glass Works
filed
Critical
Corning Glass Works

1982-10-07
Publication of AU8192182A
publication
Critical
patent/AU8192182A/en

1985-09-26
Application granted
granted
Critical

1985-09-26
Publication of AU546930B2
publication
Critical
patent/AU546930B2/en

2002-03-25
Anticipated expiration
legal-status
Critical

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

239000013307
optical fiber
Substances

0.000
title
1

Classifications

G—PHYSICS

G02—OPTICS

G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type

G02B6/105—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type having optical polarisation effects

G—PHYSICS

G02—OPTICS

G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings

G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments

C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube

C03B37/01217—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube for making preforms of polarisation-maintaining optical fibres

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/01446—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/01486—Means for supporting, rotating or translating the preforms being formed, e.g. lathes

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod

C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/012—Manufacture of preforms for drawing fibres or filaments

C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]

C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod

C03B37/01861—Means for changing or stabilising the diameter or form of tubes or rods

C03B37/01869—Collapsing

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags

C03B37/01—Manufacture of glass fibres or filaments

C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor

C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2201/00—Type of glass produced

C03B2201/02—Pure silica glass, e.g. pure fused quartz

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2201/00—Type of glass produced

C03B2201/06—Doped silica-based glasses

C03B2201/08—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant

C03B2201/10—Doped silica-based glasses doped with boron or fluorine or other refractive index decreasing dopant doped with boron

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2201/00—Type of glass produced

C03B2201/06—Doped silica-based glasses

C03B2201/20—Doped silica-based glasses doped with non-metals other than boron or fluorine

C03B2201/28—Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2201/00—Type of glass produced

C03B2201/06—Doped silica-based glasses

C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi

C03B2201/31—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with germanium

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2201/00—Type of glass produced

C03B2201/06—Doped silica-based glasses

C03B2201/30—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi

C03B2201/40—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn

C03B2201/42—Doped silica-based glasses doped with metals, e.g. Ga, Sn, Sb, Pb or Bi doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn doped with titanium

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2203/00—Fibre product details, e.g. structure, shape

C03B2203/10—Internal structure or shape details

C03B2203/12—Non-circular or non-elliptical cross-section, e.g. planar core

C—CHEMISTRY; METALLURGY

C03—GLASS; MINERAL OR SLAG WOOL

C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B2203/00—Fibre product details, e.g. structure, shape

C03B2203/30—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, «PANDA» type fibres

C03B2203/31—Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, «PANDA» type fibres by use of stress-imparting rods, e.g. by insertion

AU81921/82A
1981-03-30
1982-03-25
Single mode optical fibre

Expired

AU546930B2
(en)

Applications Claiming Priority (6)

Application Number
Priority Date
Filing Date
Title

US06/248,947

US4415230A
(en)

1981-03-30
1981-03-30
Polarization retaining single-mode optical waveguide

US249022

1981-03-30

US06/249,022

US4360371A
(en)

1981-03-30
1981-03-30
Method of making polarization retaining single-mode optical waveguide

US06/253,224

US4395270A
(en)

1981-04-13
1981-04-13
Method of fabricating a polarization retaining single-mode optical waveguide

US253224

1981-04-13

US248947

1981-04-13

Publications (2)

Publication Number
Publication Date

AU8192182A

AU8192182A
(en)

1982-10-07

AU546930B2
true

AU546930B2
(en)

1985-09-26

Family
ID=27400167
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU81921/82A
Expired

AU546930B2
(en)

1981-03-30
1982-03-25
Single mode optical fibre

Country Status (12)

Country
Link

EP
(3)

EP0145030A3
(en)

JP
(1)

JP2750345B2
(en)

KR
(1)

KR890000331B1
(en)

AU
(1)

AU546930B2
(en)

BR
(1)

BR8201562A
(en)

CA
(1)

CA1177297A
(en)

DE
(1)

DE3272823D1
(en)

DK
(1)

DK155474C
(en)

ES
(1)

ES510635A0
(en)

FI
(1)

FI81209C
(en)

MX
(1)

MX156655A
(en)

NO
(1)

NO164139C
(en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

EP0098102B1
(en)

*

1982-06-25
1987-02-04
National Research Development Corporation
Method of making optical fibre preforms and optical fibre preform

US4529426A
(en)

*

1983-07-22
1985-07-16
At&T Bell Laboratories
Method of fabricating high birefringence fibers

FR2551885B1
(en)

*

1983-09-13
1986-01-24
Thomson Csf

METHOD FOR MANUFACTURING MULTI-CORE OPTICAL FIBER AND OPTICAL FIBERS OBTAINED BY SUCH A PROCESS

US4630889A
(en)

*

1983-11-09
1986-12-23
Polaroid Corporation
Polarization locked optical fiber and method

US4561871A
(en)

*

1983-12-27
1985-12-31
Corning Glass Works
Method of making polarization preserving optical fiber

GB8400535D0
(en)

*

1984-01-10
1984-02-15
Standard Telephones Cables Ltd
Optical fibre manufacture

JPS6163538A
(en)

*

1984-09-04
1986-04-01
Kokusai Denshin Denwa Co Ltd
Purification of fluoride glass

GB8612189D0
(en)

*

1986-05-20
1986-07-16
Birch R D
Optical fibre apparatus

US4781424A
(en)

*

1986-07-28
1988-11-01
Nippon Telegraph And Telephone Corporation
Single mode channel optical waveguide with a stress-induced birefringence control region

JPS6360411A
(en)

*

1986-09-01
1988-03-16
Hitachi Cable Ltd
Optical fiber for maintaining plane of polarization

DE3641285A1
(en)

*

1986-12-03
1988-06-09
Schott Glaswerke

METHOD FOR MEASURING (ALPHA) AND SS RAYS OF LOW INTENSITY

US4904052A
(en)

*

1987-04-28
1990-02-27
Hughes Aircraft Company
Polarization preserving optical fiber and method of manufacturing

US4824455A
(en)

*

1987-04-28
1989-04-25
Hughes Aircraft Company
Polarization preserving optical fiber and method of manufacturing

JPH0718964B2
(en)

*

1987-06-29
1995-03-06
日本電信電話株式会社

Integrated optical device and manufacturing method thereof

EP0372450B1
(en)

*

1988-12-09
1994-01-12
Alcatel N.V.
Process for working up a preform for a polarization-maintaining optical fibre

FR2649690B1
(en)

*

1989-07-11
1994-01-28
Cie Generale D Electricite

PROCESS FOR MANUFACTURING PREFORMS FOR OPTICAL FIBERS WITHOUT REVOLUTION SYMMETRY

FR2650584B1
(en)

*

1989-08-02
1993-12-17
Cie Generale D Electricite

METHOD FOR MANUFACTURING OPTICAL FIBER WITH DOPED SHEATH

US5180410A
(en)

*

1990-07-30
1993-01-19
Corning Incorporated
Method of making polarization retaining fiber

US5904762A
(en)

*

1997-04-18
1999-05-18
Cabot Corporation
Method of making a multi-phase aggregate using a multi-stage process

US5895522A
(en)

*

1997-08-12
1999-04-20
Cabot Corporation
Modified carbon products with leaving groups and inks and coatings containing modified carbon products

US6243522B1
(en)

*

1998-12-21
2001-06-05
Corning Incorporated
Photonic crystal fiber

JP2002541508A
(en)

*

1999-03-30
2002-12-03
クリスタル フィブレ アクティーゼルスカブ

Polarization maintaining optical fiber

JP3986842B2
(en)

*

2001-07-26
2007-10-03
株式会社フジクラ

Manufacturing method of optical fiber preform for non-zero dispersion shifted optical fiber

JP3833621B2
(en)

2002-03-15
2006-10-18
株式会社フジクラ

Polarization maintaining optical fiber

CA2537755A1
(en)

2005-02-28
2006-08-28
Weatherford/Lamb, Inc.
Polarization controlling optical fiber preform and preform fabrication methods

US8326037B1
(en)

2005-11-23
2012-12-04
Matrox Electronic Systems, Ltd.
Methods and apparatus for locating an object in an image

US8526773B2
(en)

*

2010-04-30
2013-09-03
Corning Incorporated
Optical fiber with differential birefringence mechanism

JP2016148806A
(en)

*

2015-02-13
2016-08-18
株式会社中原光電子研究所
Polarization maintaining optical fiber, capillary, and connector

DK3136143T3
(en)

*

2015-08-26
2020-05-18
Max Planck Gesellschaft
Hollow-Core Fibre and Method of Manufacturing Thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3278283A
(en)

*

1963-04-12
1966-10-11
American Optical Corp
Method of making light-conducting optical component

US3535017A
(en)

*

1968-01-08
1970-10-20
Bell Telephone Labor Inc
Optical fiber waveguide structures

US3678328A
(en)

*

1968-11-01
1972-07-18
Bendix Corp
Channel multiplier assembly and method of manufacture thereof

US3823995A
(en)

*

1972-03-30
1974-07-16
Corning Glass Works
Method of forming light focusing fiber waveguide

JPS50161255A
(en)

*

1974-06-18
1975-12-27

US4028082A
(en)

*

1976-02-10
1977-06-07
American Optical Corporation
Method of making artificial intraocular lenses with holes

JPS52131735A
(en)

*

1976-04-28
1977-11-04
Sumitomo Electric Ind Ltd
Manufacture of optical fiber

US4204851A
(en)

*

1977-06-23
1980-05-27
Corning Glass Works
Directing glass forming constituents against a lateral surface parallel to the axis of rotation of a starting member to form a monolithic blank for an optical waveguide

NL193330C
(en)

*

1978-01-13
1999-06-02
Western Electric Co

Optical waveguide and method for its manufacture.

US4165223A
(en)

*

1978-03-06
1979-08-21
Corning Glass Works
Method of making dry optical waveguides

US4184859A
(en)

*

1978-06-09
1980-01-22
International Telephone And Telegraph Corporation
Method of fabricating an elliptical core single mode fiber

US4229197A
(en)

*

1978-06-12
1980-10-21
International Telephone And Telegraph Corporation
Method for making multiple optical core fiber

US4243298A
(en)

*

1978-10-06
1981-01-06
International Telephone And Telegraph Corporation
High-strength optical preforms and fibers with thin, high-compression outer layers

DE2909390A1
(en)

*

1979-03-09
1980-09-18
Siemens Ag

METHOD FOR PRODUCING A MULTI-CHANNEL OPTICAL FIBER

DE2930791A1
(en)

*

1979-07-28
1981-02-12
Licentia Gmbh
Glass optical waveguide fibre with rectangular cross=section – which precludes the coupling of two light waves with orthogonal directions of polarisation

JPS5624306A
(en)

*

1979-08-03
1981-03-07
Sumitomo Electric Ind Ltd
Production of optical fiber having elliptical core

EP0109604B1
(en)

*

1980-01-11
1989-09-27
Hitachi, Ltd.
Polarised plane-maintaining optical fiber

GB2096788B
(en)

*

1981-01-17
1984-12-19
Nippon Telegraph & Telephone
Single-polarization single-mode optical fibers

1982

1982-03-05
CA
CA000397687A
patent/CA1177297A/en
not_active
Expired

1982-03-18
DK
DK122582A
patent/DK155474C/en
not_active
IP Right Cessation

1982-03-22
BR
BR8201562A
patent/BR8201562A/en
not_active
IP Right Cessation

1982-03-22
ES
ES510635A
patent/ES510635A0/en
active
Granted

1982-03-25
DE
DE8282301578T
patent/DE3272823D1/en
not_active
Expired

1982-03-25
MX
MX191981A
patent/MX156655A/en
unknown

1982-03-25
EP
EP84201087A
patent/EP0145030A3/en
not_active
Ceased

1982-03-25
EP
EP84201088A
patent/EP0145031B1/en
not_active
Expired

1982-03-25
EP
EP82301578A
patent/EP0061901B1/en
not_active
Expired

1982-03-25
AU
AU81921/82A
patent/AU546930B2/en
not_active
Expired

1982-03-29
FI
FI821088A
patent/FI81209C/en
not_active
IP Right Cessation

1982-03-29
NO
NO821043A
patent/NO164139C/en
unknown

1982-03-30
KR
KR8201370A
patent/KR890000331B1/en
active

1992

1992-10-13
JP
JP4299129A
patent/JP2750345B2/en
not_active
Expired – Lifetime

Also Published As

Publication number
Publication date

FI81209B
(en)

1990-05-31

JPH06174957A
(en)

1994-06-24

NO821043L
(en)

1982-10-01

DK122582A
(en)

1982-10-01

FI821088L
(en)

1982-10-01

FI821088A0
(en)

1982-03-29

DK155474C
(en)

1989-10-09

EP0061901B1
(en)

1986-08-27

NO164139B
(en)

1990-05-21

EP0145030A2
(en)

1985-06-19

DK155474B
(en)

1989-04-10

JP2750345B2
(en)

1998-05-13

EP0145030A3
(en)

1985-07-10

ES8302919A1
(en)

1983-02-01

FI81209C
(en)

1990-09-10

EP0145031A3
(en)

1985-07-10

DE3272823D1
(en)

1986-10-02

NO164139C
(en)

1990-08-29

ES510635A0
(en)

1983-02-01

EP0061901A1
(en)

1982-10-06

KR830009492A
(en)

1983-12-21

AU8192182A
(en)

1982-10-07

BR8201562A
(en)

1983-02-08

CA1177297A
(en)

1984-11-06

EP0145031B1
(en)

1988-05-04

EP0145031A2
(en)

1985-06-19

MX156655A
(en)

1988-09-22

KR890000331B1
(en)

1989-03-14

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