AU532517B2

AU532517B2 – Electrolyzer and process for preparation of alkali hydroxides and chlorine
– Google Patents

AU532517B2 – Electrolyzer and process for preparation of alkali hydroxides and chlorine
– Google Patents
Electrolyzer and process for preparation of alkali hydroxides and chlorine

Info

Publication number
AU532517B2

AU532517B2
AU64797/80A
AU6479780A
AU532517B2
AU 532517 B2
AU532517 B2
AU 532517B2
AU 64797/80 A
AU64797/80 A
AU 64797/80A
AU 6479780 A
AU6479780 A
AU 6479780A
AU 532517 B2
AU532517 B2
AU 532517B2
Authority
AU
Australia
Prior art keywords
electrolyzer
chlorine
preparation
alkali hydroxides
hydroxides
Prior art date
1979-11-29
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
AU64797/80A
Other versions

AU6479780A
(en

Inventor
Alberto Pellegri
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.)

De Nora SpA

Original Assignee
Oronzio de Nora Impianti Elettrochimici SpA
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.)
1979-11-29
Filing date
1980-11-28
Publication date
1983-10-06

1980-11-28
Application filed by Oronzio de Nora Impianti Elettrochimici SpA
filed
Critical
Oronzio de Nora Impianti Elettrochimici SpA

1981-07-02
Publication of AU6479780A
publication
Critical
patent/AU6479780A/en

1983-10-06
Application granted
granted
Critical

1983-10-06
Publication of AU532517B2
publication
Critical
patent/AU532517B2/en

2000-11-28
Anticipated expiration
legal-status
Critical

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR

C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR

C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features

C25B9/60—Constructional parts of cells

C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections

C—CHEMISTRY; METALLURGY

C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR

C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR

C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features

C25B9/70—Assemblies comprising two or more cells

C25B9/73—Assemblies comprising two or more cells of the filter-press type

C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms

AU64797/80A
1979-11-29
1980-11-28
Electrolyzer and process for preparation of alkali hydroxides and chlorine

Expired

AU532517B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

IT2769079

1979-11-29

IT27690/79A

IT1163737B
(en)

1979-11-29
1979-11-29

BIPOLAR ELECTROLIZER INCLUDING MEANS TO GENERATE THE INTERNAL RECIRCULATION OF THE ELECTROLYTE AND ELECTROLYSIS PROCEDURE

Publications (2)

Publication Number
Publication Date

AU6479780A

AU6479780A
(en)

1981-07-02

AU532517B2
true

AU532517B2
(en)

1983-10-06

Family
ID=11222139
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU64797/80A
Expired

AU532517B2
(en)

1979-11-29
1980-11-28
Electrolyzer and process for preparation of alkali hydroxides and chlorine

Country Status (22)

Country
Link

US
(5)

US4279731A
(en)

EP
(2)

EP0031897B1
(en)

JP
(3)

JPS56102586A
(en)

AR
(1)

AR227296A1
(en)

AT
(1)

ATE44554T1
(en)

AU
(1)

AU532517B2
(en)

BR
(1)

BR8007570A
(en)

CA
(1)

CA1169808A
(en)

CS
(1)

CS223889B2
(en)

DD
(1)

DD154831A5
(en)

DE
(1)

DE3072159D1
(en)

ES
(2)

ES497263A0
(en)

FI
(1)

FI67728C
(en)

HU
(1)

HU183256B
(en)

IT
(1)

IT1163737B
(en)

MX
(1)

MX148530A
(en)

NO
(1)

NO157383C
(en)

PL
(1)

PL132356B1
(en)

RO
(1)

RO81392B
(en)

SU
(1)

SU1126210A3
(en)

YU
(1)

YU42544B
(en)

ZA
(1)

ZA806648B
(en)

Families Citing this family (84)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

IT1163737B
(en)

*

1979-11-29
1987-04-08
Oronzio De Nora Impianti

BIPOLAR ELECTROLIZER INCLUDING MEANS TO GENERATE THE INTERNAL RECIRCULATION OF THE ELECTROLYTE AND ELECTROLYSIS PROCEDURE

US4339323A
(en)

*

1980-09-18
1982-07-13
Ppg Industries, Inc.
Bipolar electrolyzer element

US4340460A
(en)

*

1980-11-24
1982-07-20
Olin Corporation
Internal downcomer for electrolytic recirculation

US4469580A
(en)

*

1981-03-30
1984-09-04
The Dow Chemical Company
Method of making an improved internally supported electrode

DE3132947A1
(en)

*

1981-08-20
1983-03-03
Uhde Gmbh, 4600 Dortmund

ELECTROLYSIS CELL

US4402809A
(en)

*

1981-09-03
1983-09-06
Ppg Industries, Inc.
Bipolar electrolyzer

US4488948A
(en)

*

1981-11-23
1984-12-18
The Dow Chemical Company
Channel flow cathode assembly and electrolyzer

DE3223701A1
(en)

*

1982-06-25
1983-12-29
Metallgesellschaft Ag, 6000 Frankfurt

MEMBRANE ELECTROLYSIS CELL WITH VERTICALLY ARRANGED ELECTRODES

JPS5917762U
(en)

*

1982-07-22
1984-02-03
クロリンエンジニアズ株式会社

Anode for electrolysis

JPS59133384A
(en)

*

1983-01-19
1984-07-31
Toyo Soda Mfg Co Ltd
Electrolytic cell

US4673479A
(en)

*

1983-03-07
1987-06-16
The Dow Chemical Company
Fabricated electrochemical cell

US4488946A
(en)

*

1983-03-07
1984-12-18
The Dow Chemical Company
Unitary central cell element for filter press electrolysis cell structure and use thereof in the electrolysis of sodium chloride

US4560452A
(en)

*

1983-03-07
1985-12-24
The Dow Chemical Company
Unitary central cell element for depolarized, filter press electrolysis cells and process using said element

US4581114A
(en)

*

1983-03-07
1986-04-08
The Dow Chemical Company
Method of making a unitary central cell structural element for both monopolar and bipolar filter press type electrolysis cell structural units

US4568434A
(en)

*

1983-03-07
1986-02-04
The Dow Chemical Company
Unitary central cell element for filter press electrolysis cell structure employing a zero gap configuration and process utilizing said cell

US4561959A
(en)

*

1983-12-09
1985-12-31
The Dow Chemical Company
Flat-plate electrolytic cell

US4575409A
(en)

*

1984-01-05
1986-03-11
American Hoechst Corporation
Apparatus for electrolyzing metal sheet

GB8407871D0
(en)

*

1984-03-27
1984-05-02
Ici Plc
Electrode and electrolytic cell

DE3420483A1
(en)

*

1984-06-01
1985-12-05
Hoechst Ag, 6230 Frankfurt

BIPOLAR ELECTROLYSIS WITH GAS DIFFUSION CATHODE

US4588483A
(en)

*

1984-07-02
1986-05-13
Olin Corporation
High current density cell

US4687558A
(en)

*

1984-07-02
1987-08-18
Olin Corporation
High current density cell

US4877499A
(en)

*

1984-11-05
1989-10-31
The Dow Chemical Company
Membrane unit for electrolytic cell

EP0185269A1
(en)

*

1984-12-17
1986-06-25
The Dow Chemical Company
A wholly fabricated electrochemical cell

EP0185270A1
(en)

*

1984-12-17
1986-06-25
The Dow Chemical Company
Method of making a unitary electric current transmission element for monopolar or bipolar filter press-type electrochemical cell units

US4654136A
(en)

*

1984-12-17
1987-03-31
The Dow Chemical Company
Monopolar or bipolar electrochemical terminal unit having a novel electric current transmission element

DE3501261A1
(en)

*

1985-01-16
1986-07-17
Uhde Gmbh, 4600 Dortmund

ELECTROLYSIS

IT1200403B
(en)

*

1985-03-07
1989-01-18
Oronzio De Nora Impianti

SINGLE AND BIPOLAR ELECTROLYTIC CELLS AND RELATED ELECTRODIC STRUCTURES

US4619751A
(en)

*

1985-04-24
1986-10-28
Robinson Douglas J
Anode insulator for electrolytic cell

DE3519272C1
(en)

*

1985-05-30
1986-12-18
Heraeus Elektroden GmbH, 6450 Hanau

Electrode structure for electrochemical cells

US4923583A
(en)

*

1985-11-04
1990-05-08
Olin Corporation
Electrode elements for filter press membrane electrolytic cells

US4685514A
(en)

*

1985-12-23
1987-08-11
Aluminum Company Of America
Planar heat exchange insert and method

US4755272A
(en)

*

1986-05-02
1988-07-05
The Dow Chemical Company
Bipolar electrochemical cell having novel means for electrically connecting anode and cathode of adjacent cell units

US4702312A
(en)

*

1986-06-19
1987-10-27
Aluminum Company Of America
Thin rod packing for heat exchangers

US4880513A
(en)

*

1986-06-20
1989-11-14
The Graver Company
Method and apparatus for generating acid and base regenerants and the use thereof to regenerate ion-exchange resins

US4705106A
(en)

*

1986-06-27
1987-11-10
Aluminum Company Of America
Wire brush heat exchange insert and method

US4678548A
(en)

*

1986-07-21
1987-07-07
Aluminum Company Of America
Corrosion-resistant support apparatus and method of use for inert electrodes

US4726891A
(en)

*

1986-09-12
1988-02-23
The Dow Chemical Company
Flat plate bipolar cell

DE3726674A1
(en)

*

1987-08-11
1989-02-23
Heraeus Elektroden

ELECTRODE STRUCTURE FOR ELECTROCHEMICAL CELLS

US4846951A
(en)

*

1988-07-15
1989-07-11
The Dow Chemical Company
Process and apparatus for controlling gasket force in electrolysis cells

US4886586A
(en)

*

1988-09-26
1989-12-12
The Dow Chemical Company
Combination electrolysis cell seal member and membrane tentering means for a filter press type electrolytic cell

US4940518A
(en)

*

1988-09-26
1990-07-10
The Dow Chemical Company
Combination seal member and membrane holder for a filter press type electrolytic cell

US4892632A
(en)

*

1988-09-26
1990-01-09
The Dow Chemical Company
Combination seal member and membrane holder for an electrolytic cell

US4915803A
(en)

*

1988-09-26
1990-04-10
The Dow Chemical Company
Combination seal and frame cover member for a filter press type electrolytic cell

US4898653A
(en)

*

1988-09-26
1990-02-06
The Dow Chemical Company
Combination electrolysis cell seal member and membrane tentering means

BE1004364A3
(en)

*

1989-08-11
1992-11-10
Solvay
Chassis for electrolyser type filter press and electrolyser monopolar type of filter press.

DE4120359C2
(en)

*

1990-06-21
1993-11-18
Deutsche Aerospace

Process for the production of an electrochemical cell and its use

US5087344A
(en)

*

1990-09-26
1992-02-11
Heraeus Elektroden Gmbh
Electrolysis cell for gas-evolving electrolytic processes

GB9224372D0
(en)

*

1992-11-20
1993-01-13
Ici Plc
Electrolytic cell and electrode therefor

IT1273492B
(en)

*

1995-02-03
1997-07-08
Solvay

BOX OF THE END OF AN ELECTRODIALIZER, ELECTRODIALIZER EQUIPPED WITH SUCH A BOX AND USE OF SAID ELECTRODIALIZER

DE19512945A1
(en)

*

1995-03-28
1996-10-24
Mannesmann Ag

Catalyst tube

US5928710A
(en)

*

1997-05-05
1999-07-27
Wch Heraeus Elektrochemie Gmbh
Electrode processing

JPH11106977A
(en)

*

1997-09-30
1999-04-20
Asahi Glass Co Ltd
Bipolar type ion exchange membrane electrolytic cell

JP2000192276A
(en)

*

1998-12-25
2000-07-11
Asahi Glass Co Ltd
Bipolar-type ion exchange membrane electrolytic cell

EP1231298A4
(en)

*

1999-09-27
2005-12-28
Shinko Pantec Co Ltd
Water-electrolysis-device-use electrode plate, electrode plate unit, solid electrolytic membrane unit and electrolytic cell

CA2329672C
(en)

*

2000-12-27
2009-12-22
Donald W. Kirk
Bifurcated electrode of use in electrolytic cells

ITMI20010401A1
(en)

*

2001-02-28
2002-08-28
Nora Tecnologie Elettrochimich

NEW BIPOLAR ASSEMBLY FOR FILTER-PRESS ELECTROLIZER

NO20030763L
(en)

*

2002-02-20
2003-08-21
Chlorine Eng Corp Ltd

Ionebyttemembranelektrolysator

FI113280B
(en)

*

2002-04-03
2004-03-31
Outokumpu Oy

Useful displacement and insulation device for electrolysis

DE60302610T2
(en)

*

2002-04-05
2006-07-06
Chlorine Engineers Corp., Ltd.

Ion exchange membrane electrolyzer

ITMI20021524A1
(en)

*

2002-07-11
2004-01-12
De Nora Elettrodi Spa

CELL WITH ERUPTION BED ELECTRODE FOR METAL ELECTRODEPOSITION

ITMI20031270A1
(en)

*

2003-06-24
2004-12-25
De Nora Elettrodi Spa

CELL WITH FALLING BED CATHODE FOR ELECTRODEPOSITIONS OF METALS.

ITMI20031881A1
(en)

*

2003-10-01
2005-04-02
Nuvera Fuel Cells Europ Srl

BIPOLAR SEPARATOR FOR BATTERY OF FUEL CELLS.

EP1528126A1
(en)

*

2003-10-30
2005-05-04
Vandenborre Hydrogen Systems N.V.
An integrated electrolyser module with an internal gas/liquid separator

DE102004014696A1
(en)

*

2004-03-25
2005-10-13
De Nora Deutschland Gmbh

Hydrodynamic devices for electrochemical cells

ITMI20042248A1
(en)

*

2004-11-19
2005-02-19
Uhdenora Technologies Srl

BIPOLAR PLATE FOR ELECTROLYZER INCLUDING A SINGLE WALL

FR2887896A1
(en)

*

2005-07-04
2007-01-05
Ecole Nale Sup Artes Metiers
Device for the electrolytic production of metal powders, notably iron or zinc, to act as a reagent to remove dissolved heavy metals and nitrate ions from industrial effluent

US20110094877A1
(en)

*

2007-08-06
2011-04-28
Gomez Rodolfo Antonio M
Electrochemical system for metal recovery

CN101451245B
(en)

*

2007-12-07
2010-09-29
中国蓝星(集团)总公司
Dipolar type natural circulation ionic membrane electrolysis cell

JP5490599B2
(en)

*

2010-04-15
2014-05-14
株式会社オメガ

How to use ceramic electrodes

DE102013207082A1
(en)

*

2013-04-19
2014-10-23
Robert Bosch Gmbh

Design of a cell separator as a platinised bimetal sheet

DE102013207075A1
(en)

*

2013-04-19
2014-10-23
Robert Bosch Gmbh

Bipolar plate concept with integrated power distributors for electrolysers

US20180187316A1
(en)

2014-06-24
2018-07-05
Chemetics Inc.
Narrow gap, undivided electrolysis cell

EP3093374A1
(en)

*

2015-05-12
2016-11-16
Exen Sarl
Electrolyzer apparatus

CN105200449B
(en)

*

2015-10-12
2017-07-11
南京工程学院
A kind of electrolyte through hole on off mechanism and electrolysis wetting system

CN105714328B
(en)

*

2016-03-31
2018-10-12
沈阳化工大学
A kind of forced circulation ion-exchange membrane electrolyzer

US10407783B2
(en)

2016-05-26
2019-09-10
Calera Corporation
Anode assembly, contact strips, electrochemical cell, and methods to use and manufacture thereof

TWI633064B
(en)

*

2017-06-05
2018-08-21
財團法人工業技術研究院
Electrolytic reduction module unit and water purification device

JP7293709B2
(en)

*

2019-02-19
2023-06-20
株式会社豊田中央研究所

Electrochemical reactor and artificial photosynthesis device

CN115335550A
(en)

2020-03-31
2022-11-11
株式会社德山
Electrolytic element for alkaline water electrolysis and alkaline water electrolysis cell

DE102020133770A1
(en)

*

2020-12-16
2022-06-23
Forschungszentrum Jülich GmbH

Arrangement of electrochemical cells

EP4071277A1
(en)

*

2021-04-08
2022-10-12
Hitachi Zosen Inova AG
Electrolyzer

WO2023060146A2
(en)

*

2021-10-05
2023-04-13
Verdagy, Inc.
Systems and methods for producing hydrogen gas

DK181335B1
(en)

*

2021-12-07
2023-08-16
Stiesdal Hydrogen As
Electrolyser with a stack of welded four-layer modules

DE102022205126A1
(en)

2022-05-23
2023-11-23
Siemens Energy Global GmbH & Co. KG

Bipolar plate and manufacturing

Family Cites Families (32)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1535185A
(en)

1920-01-26
1925-04-28
John P Scott
Electrolytic apparatus

US1799116A
(en)

*

1926-12-21
1931-03-31
Noeggerath Jacob Emil
Electrolytic apparatus

CH242601A
(en)

*

1941-12-11
1946-05-31
Fides Gmbh

Filter press type of water decomposer.

FR892885A
(en)

*

1943-03-26
1944-05-23
Entpr Rene & Jean Moritz

Improvements in the construction of electrolyser electrodes for the production of oxygen and hydrogen by electrolysis of water

CH242830A
(en)

*

1946-12-13
1946-06-15
Oerlikon Maschf

Bipolar electrolyser.

CH255873A
(en)

*

1946-12-13
1948-07-15
Oerlikon Maschf

Bipolar electrolyser.

CH263970A
(en)

*

1948-06-26
1949-09-30
Oerlikon Maschf

Bipolar electrode for water decomposers.

US3930980A
(en)

*

1970-04-23
1976-01-06
Oronzio De Nora Impianti Elettrochimici S.P.A.
Electrolysis cell

JPS4736262U
(en)

*

1971-05-11
1972-12-22

US3910827A
(en)

*

1971-07-07
1975-10-07
Ppg Industries Inc
Diaphragm cell

US3941675A
(en)

*

1971-09-28
1976-03-02
Friedrich Uhde Gmbh
Bipolar multiple electrolytic cell comprising a diaphragm and electrode for same

BE793045A
(en)

*

1971-12-21
1973-06-20
Rhone Progil

BIPOLAR ELECTRODES

BE793122A
(en)

*

1971-12-22
1973-06-21
Rhone Progil

DISMOUNTABLE BIPOLAR ELECTRODES

US3813326A
(en)

*

1972-11-24
1974-05-28
Ppg Industries Inc
Bipolar electrolytic diaphragm cell having friction welded conductor/connector means

JPS5235030B2
(en)

*

1973-04-19
1977-09-07

IT989421B
(en)

*

1973-06-25
1975-05-20
Oronzio De Nora Impiantielettr

ELECTROLYSIS CELL WITH SPECIAL SHAPED ELECTRODES AND DEFLECTORS SUITABLE TO REMOVE THE GASES THAT DEVELOP THE ELECTRODES OUTSIDE THE INTERELECTRODIC SPACE

DE2344647A1
(en)

*

1973-09-05
1975-04-24
Metallgesellschaft Ag

ELECTRODE

US4013525A
(en)

*

1973-09-24
1977-03-22
Imperial Chemical Industries Limited
Electrolytic cells

US3988220A
(en)

*

1974-01-04
1976-10-26
Ppg Industries, Inc.
Process for electrolyzing brine in a bipolar electrolytic diaphragm cell having friction welded conductor connector means

US4111779A
(en)

*

1974-10-09
1978-09-05
Asahi Kasei Kogyo Kabushiki Kaisha
Bipolar system electrolytic cell

SU567771A1
(en)

*

1975-04-14
1977-08-05
Предприятие П/Я В-2287
Diaphragm electrode for producing chlorine and alkali

US4059216A
(en)

*

1975-12-15
1977-11-22
Diamond Shamrock Corporation
Metal laminate strip construction of bipolar electrode backplates

US4017375A
(en)

*

1975-12-15
1977-04-12
Diamond Shamrock Corporation
Bipolar electrode for an electrolytic cell

GB1581348A
(en)

1976-08-04
1980-12-10
Ici Ltd
Bipolar unit for electrolytic cell

US4116807A
(en)

1977-01-21
1978-09-26
Diamond Shamrock Corporation
Explosion bonding of bipolar electrode backplates

JPS5413473A
(en)

*

1977-02-17
1979-01-31
Kurorin Engineers Kk
Double polar electrode

JPS5435173A
(en)

1977-08-24
1979-03-15
Kurorin Engineers Kk
Double polar electrode and its manufacture

JPS5446180A
(en)

*

1977-09-21
1979-04-11
Tokuyama Soda Co Ltd
Multipolar electrode

US4101410A
(en)

*

1977-09-26
1978-07-18
Olin Corporation
Electrode assembly with flexible gas baffle conductor

US4218293A
(en)

*

1979-02-02
1980-08-19
Hooker Chemicals & Plastics Corp.
Electrochemical apparatus and process for manufacturing halates

IT1163737B
(en)

*

1979-11-29
1987-04-08
Oronzio De Nora Impianti

BIPOLAR ELECTROLIZER INCLUDING MEANS TO GENERATE THE INTERNAL RECIRCULATION OF THE ELECTROLYTE AND ELECTROLYSIS PROCEDURE

US4257867A
(en)

*

1980-03-28
1981-03-24
Energy Development Associates, Inc.
Inert gas rejection device for zinc-halogen battery systems

1979

1979-11-29
IT
IT27690/79A
patent/IT1163737B/en
active

1980

1980-03-10
US
US06/128,972
patent/US4279731A/en
not_active
Expired – Lifetime

1980-10-29
ZA
ZA00806648A
patent/ZA806648B/en
unknown

1980-11-06
NO
NO803330A
patent/NO157383C/en
unknown

1980-11-19
CA
CA000364993A
patent/CA1169808A/en
not_active
Expired

1980-11-20
BR
BR8007570A
patent/BR8007570A/en
not_active
IP Right Cessation

1980-11-24
FI
FI803655A
patent/FI67728C/en
not_active
IP Right Cessation

1980-11-26
JP
JP16650980A
patent/JPS56102586A/en
active
Granted

1980-11-27
YU
YU3023/80A
patent/YU42544B/en
unknown

1980-11-28
CS
CS808280A
patent/CS223889B2/en
unknown

1980-11-28
ES
ES497263A
patent/ES497263A0/en
active
Granted

1980-11-28
AR
AR283425A
patent/AR227296A1/en
active

1980-11-28
AU
AU64797/80A
patent/AU532517B2/en
not_active
Expired

1980-11-28
EP
EP80107460A
patent/EP0031897B1/en
not_active
Expired

1980-11-28
DE
DE8080107460T
patent/DE3072159D1/en
not_active
Expired

1980-11-28
DD
DD80225562A
patent/DD154831A5/en
not_active
IP Right Cessation

1980-11-28
RO
RO102713A
patent/RO81392B/en
unknown

1980-11-28
MX
MX184956A
patent/MX148530A/en
unknown

1980-11-28
AT
AT80107460T
patent/ATE44554T1/en
not_active
IP Right Cessation

1980-11-28
SU
SU803009404A
patent/SU1126210A3/en
active

1980-11-28
HU
HU802851A
patent/HU183256B/en
unknown

1980-11-28
EP
EP83110932A
patent/EP0111149A1/en
not_active
Withdrawn

1980-11-29
PL
PL1980228167A
patent/PL132356B1/en
unknown

1981

1981-01-06
US
US06/222,958
patent/US4417960A/en
not_active
Expired – Lifetime

1981-05-26
US
US06/266,653
patent/US4389298A/en
not_active
Expired – Lifetime

1981-09-09
ES
ES505339A
patent/ES8300144A1/en
not_active
Expired

1982

1982-04-12
JP
JP57060828A
patent/JPS6024186B2/en
not_active
Expired

1982-09-24
US
US06/423,279
patent/US4425214A/en
not_active
Expired – Lifetime

1983

1983-08-25
US
US06/526,417
patent/US4518113A/en
not_active
Expired – Lifetime

1984

1984-04-13
JP
JP59075669A
patent/JPS6196093A/en
active
Granted

Also Published As

Publication number
Publication date

JPS56102586A
(en)

1981-08-17

CA1169808A
(en)

1984-06-26

EP0031897B1
(en)

1989-07-12

FI67728B
(en)

1985-01-31

ES8201638A1
(en)

1981-12-16

BR8007570A
(en)

1981-06-02

AU6479780A
(en)

1981-07-02

IT7927690D0
(en)

1979-11-29

DD154831A5
(en)

1982-04-21

EP0031897A2
(en)

1981-07-15

ES497263A0
(en)

1981-12-16

ATE44554T1
(en)

1989-07-15

AR227296A1
(en)

1982-10-15

YU42544B
(en)

1988-10-31

US4425214A
(en)

1984-01-10

NO803330L
(en)

1981-06-01

IT1163737B
(en)

1987-04-08

US4279731A
(en)

1981-07-21

JPS6024186B2
(en)

1985-06-11

JPS6315354B2
(en)

1988-04-04

DE3072159D1
(en)

1989-08-17

FI803655L
(en)

1981-05-30

US4518113A
(en)

1985-05-21

CS223889B2
(en)

1983-11-25

ES505339A0
(en)

1982-10-01

YU302380A
(en)

1983-02-28

US4417960A
(en)

1983-11-29

ZA806648B
(en)

1981-11-25

PL228167A1
(en)

1981-09-18

ES8300144A1
(en)

1982-10-01

JPS6137355B2
(en)

1986-08-23

JPS6196093A
(en)

1986-05-14

PL132356B1
(en)

1985-02-28

NO157383C
(en)

1988-03-09

EP0111149A1
(en)

1984-06-20

SU1126210A3
(en)

1984-11-23

US4389298A
(en)

1983-06-21

MX148530A
(en)

1983-04-29

RO81392A
(en)

1983-04-29

NO157383B
(en)

1987-11-30

RO81392B
(en)

1983-04-30

FI67728C
(en)

1985-05-10

EP0031897A3
(en)

1981-10-14

HU183256B
(en)

1984-04-28

JPS57203783A
(en)

1982-12-14

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Date
Code
Title
Description

2001-06-28
MK14
Patent ceased section 143(a) (annual fees not paid) or expired

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