GB1375669A – – Google Patents
GB1375669A – – Google Patents
Info
Publication number
GB1375669A
GB1375669A
GB2889572A
GB2889572A
GB1375669A
GB 1375669 A
GB1375669 A
GB 1375669A
GB 2889572 A
GB2889572 A
GB 2889572A
GB 2889572 A
GB2889572 A
GB 2889572A
GB 1375669 A
GB1375669 A
GB 1375669A
Authority
GB
United Kingdom
Prior art keywords
particles
polymer
june
fusible
discrete
Prior art date
1971-06-21
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
GB2889572A
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.)
1971-06-21
Filing date
1972-06-20
Publication date
1974-11-27
1972-06-20
Application filed
filed
Critical
1974-11-27
Publication of GB1375669A
publication
Critical
patent/GB1375669A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/62—Record carriers characterised by the selection of the material
G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
G11B5/739—Magnetic recording media substrates
G11B5/73923—Organic polymer substrates
G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
G11B5/73931—Two or more layers, at least one layer being polyester
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S428/00—Stock material or miscellaneous articles
Y10S428/90—Magnetic feature
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
Y10T428/264—Up to 3 mils
Y10T428/265—1 mil or less
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/31504—Composite [nonstructural laminate]
Y10T428/31678—Of metal
Y10T428/31681—Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
Abstract
1375669 Coated products MINNESOTA MINING & MFG CO 20 June 1972 [21 June 1971 17 Jan 1972] 28895/72 Heading B2E [Also in Division C3] A magnetic recording tape is made by coating a layer of magnetisable particles on a biaxially oriented polymeric foil having (a) a continuous phase comprising 92-98% of polyethylene terephthalate and (b) a plurality of discontinuous phaces, at least two thereof being structurally dissimilar and mutually insoluble comprising 8-2% by weight of discrete fusible polymer particles. The fusible discrete polymer may be made up from (1) from 1-6% of polypropylene, styrene-acrylonitrile, nylon or incompatible polyester particles and (2) from 1-6% of mono-alpha olefins so selected as to be structurally different from any in (1), the exposed face of the foil having a surface roughness range of no more than 250 manometers. Polycarbonate is preferred as polymer (1) and polyethylene as (2) although polypropylene and polybutylene are also mentioned. Component (a) may consist of a copolymer of terephthalic and isophthalic acid with 1.4 cyclohexylene dimethanol. Iron oxide in a binder form the preferred magnetisable particles. Finely divided carbon may also be included.
GB2889572A
1971-06-21
1972-06-20
Expired
GB1375669A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US15535371A
1971-06-21
1971-06-21
US05/218,498
US3958064A
(en)
1971-06-21
1972-01-17
Magnetic recording tape
Publications (1)
Publication Number
Publication Date
GB1375669A
true
GB1375669A
(en)
1974-11-27
Family
ID=26852251
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2889572A
Expired
GB1375669A
(en)
1971-06-21
1972-06-20
Country Status (11)
Country
Link
US
(1)
US3958064A
(en)
JP
(1)
JPS5211208B1
(en)
AR
(1)
AR192650A1
(en)
AU
(1)
AU442671B2
(en)
BE
(1)
BE785129A
(en)
CA
(1)
CA963739A
(en)
DE
(1)
DE2230970B2
(en)
FR
(1)
FR2143095B1
(en)
GB
(1)
GB1375669A
(en)
IT
(1)
IT958456B
(en)
NL
(1)
NL176815C
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2118193A
(en)
*
1982-03-26
1983-10-26
Anic Spa
Polycarbonate-based thermoplastic polymer blends
FR2640983A1
(en)
*
1988-12-28
1990-06-29
Rhone Poulenc Films
Families Citing this family (50)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4198458A
(en)
*
1973-05-11
1980-04-15
Teijin Limited
Laminate polyester films
JPS6044805B2
(en)
*
1976-08-27
1985-10-05
日本ビクター株式会社
Method for manufacturing magnetic recording media
GB1591582A
(en)
*
1977-03-01
1981-06-24
Teijin Ltd
Polyester film having slipperiness
US4210259A
(en)
*
1978-06-08
1980-07-01
Aluminum Company Of America
Barrier coated metallic container wall and sheet
JPS551655A
(en)
*
1978-06-20
1980-01-08
Tdk Corp
Base for magnetic recording tape
JPS5651026A
(en)
*
1979-10-02
1981-05-08
Tdk Corp
Magnetic recording tape
JPS56134370A
(en)
*
1980-03-24
1981-10-21
Fuji Photo Film Co Ltd
Friction sheet
JPS57189822A
(en)
*
1981-05-20
1982-11-22
Toray Ind Inc
Biaxially stretched polyester film
JPS5979432A
(en)
*
1982-10-29
1984-05-08
Konishiroku Photo Ind Co Ltd
Magnetic recording medium
JPS59195322A
(en)
*
1983-04-20
1984-11-06
Toray Ind Inc
Magnetic disk
US4508782A
(en)
*
1983-12-19
1985-04-02
Toray Industries, Inc.
Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2
US4546036A
(en)
*
1983-12-22
1985-10-08
Minnesota Mining And Manufacturing Company
Magnetic recording medium having opaque polyester film base
DE3610167A1
(en)
*
1986-03-26
1987-10-01
Hoechst Ag
MULTILAYER POLYESTER FILM FOR MAGNETIC INFORMATION CARRIERS
US5124184A
(en)
*
1987-08-21
1992-06-23
Minnesota Mining And Manufacturing Co.
Films containing liquid crystalline polymers
US4963402A
(en)
*
1987-08-21
1990-10-16
Minnesota Mining And Manufacturing Company
Films containing liquid crystalline polymers
EP0398075B1
(en)
*
1989-05-15
1994-01-05
Unitika Ltd.
Polyester film
JPH05154972A
(en)
*
1991-07-02
1993-06-22
Unitika Ltd
Surface roughened film and production thereof
TW412567B
(en)
*
1995-07-27
2000-11-21
Toray Industries
Polyester composition and its film
AU4808697A
(en)
1996-10-15
1998-05-11
William D. Ewing
Recyclable printable media
DE19723468A1
(en)
1997-06-04
1998-12-10
Hoechst Diafoil Gmbh
Biaxially oriented polyester film with a high oxygen barrier, process for its production and its use
DE19741877A1
(en)
1997-09-23
1999-03-25
Hoechst Diafoil Gmbh
Biaxially oriented polyester film, process for its production and its use
DE19741878A1
(en)
1997-09-23
1999-03-25
Hoechst Diafoil Gmbh
Multi-layer, biaxially oriented polyester film, process for its production and its use
DE19813269A1
(en)
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Sealable polyester film with high oxygen barrier, process for its production and its use
DE19813268A1
(en)
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Use of a transparent polyester film as a gas / aroma barrier film
DE19813271A1
(en)
*
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Transparent polyester film with high oxygen barrier, process for its production and its use
DE19813266A1
(en)
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Polyester film with high oxygen barrier, process for its production and its use
DE19813267A1
(en)
*
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Transparent polyester film with high oxygen barrier and additional functionality, process for its production and its use
DE19813270A1
(en)
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Polyester film with high oxygen barrier and improved adhesion to metal layers, process for their production and their use
DE19813264A1
(en)
1998-03-25
1999-09-30
Hoechst Diafoil Gmbh
Polyester film with surface topography adapted to the application, process for its production and its use
DE19814710A1
(en)
1998-04-01
1999-10-07
Hoechst Diafoil Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use as magnetic tape film
DE19817842A1
(en)
1998-04-22
1999-10-28
Hoechst Diafoil Gmbh
Single-layer, biaxially oriented polyester film, process for its production and its use
DE19817841A1
(en)
1998-04-22
1999-10-28
Hoechst Diafoil Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use
DE19834603A1
(en)
1998-07-31
2000-02-03
Hoechst Diafoil Gmbh
Matte, co-extruded polyester film, process for its production and its use
DE19834602A1
(en)
1998-07-31
2000-02-03
Hoechst Diafoil Gmbh
Multilayer, biaxially oriented polypropylene film, process for its production and its use
DE19839007A1
(en)
1998-08-29
2000-03-02
Hoechst Diafoil Gmbh
Process for the production of biaxially oriented PET film and use thereof for film capacitors in SMD technology
DE19839848A1
(en)
1998-09-02
2000-04-13
Hoechst Diafoil Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use as a magnetic tape with optimized electromagnetic properties
DE19842376A1
(en)
1998-09-16
2000-03-23
Hoechst Diafoil Gmbh
Biaxially oriented polypropylene film, process for its preparation and its use
DE19849661A1
(en)
1998-10-29
2000-05-04
Mitsubishi Polyester Film Gmbh
Coextruded, biaxially oriented polyester film for metallization, process for its production and its use
EP0999041A3
(en)
1998-11-03
2001-01-31
Mitsubishi Polyester Film GmbH
Multilayered foil comprising a biaxial oriented polyester foil with high oxygen-barrier properties, method of making and use
DE19932384A1
(en)
1999-07-14
2001-01-18
Mitsubishi Polyester Film Gmbh
White, biaxially oriented polyester film with cycloolefin copolymer (COC), process for its production and its use
US7364789B2
(en)
*
2001-01-10
2008-04-29
3M Innovative Properties Company
Wiping film
DE10247893A1
(en)
2002-10-14
2004-04-22
Mitsubishi Polyester Film Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use
DE10247892A1
(en)
2002-10-14
2004-04-22
Mitsubishi Polyester Film Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use
DE10247894A1
(en)
2002-10-14
2004-04-22
Mitsubishi Polyester Film Gmbh
Multilayer, biaxially oriented polyester film, process for its production and its use
US7494703B2
(en)
*
2003-12-04
2009-02-24
Tom Hopkins
High modulus thermoplastic films
US7273894B2
(en)
*
2003-12-02
2007-09-25
Eastman Chemical Company
Compositions for the preparation of void-containing articles
US7268098B2
(en)
*
2003-12-04
2007-09-11
Hopkins Thomas E
High modulus thermoplastic films and their use as cash register tapes
WO2006118255A1
(en)
*
2005-04-28
2006-11-09
Toyo Boseki Kabushiki Kaisha
Thermobondable polyester film, process for production of ic cards or ic tags with the same, and ic cards and ic tags
JP5614287B2
(en)
*
2009-10-28
2014-10-29
東レ株式会社
Biaxially oriented polyester film
US10329393B2
(en)
2012-12-12
2019-06-25
Eastman Chemical Company
Copolysters plasticized with polymeric plasticizer for shrink film applications
Family Cites Families (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2901770A
(en)
*
1955-05-06
1959-09-01
Du Pont
Extrusion apparatus and processes of extruding
US3187982A
(en)
*
1960-07-21
1965-06-08
Union Carbide Corp
Method for forming coated uniaxially oriented films and the product formed thereby
US3359344A
(en)
*
1963-07-22
1967-12-19
Kurashiki Rayon Co
Mixed spun fibers containing polyamides or polyesters and a second component selected from the group of polyethylene, polypropylene or polystyrene
US3515626A
(en)
*
1965-02-22
1970-06-02
Ici Ltd
Thermoplastic laminates having improved surface properties
FR1539880A
(en)
1967-08-08
1968-09-20
Cellophane Sa
Improvement of polyethylene terephthalate oriented films
US3579609A
(en)
*
1968-09-23
1971-05-18
Minnesota Mining & Mfg
Flex-resistant polyester film containing olefin or polytetramethylene oxide additive polymer
US3585255A
(en)
*
1968-09-23
1971-06-15
Minnesota Mining & Mfg
Electrically superior polyester film containing polystyrene or polyionomer additive polymer
US3652716A
(en)
*
1969-07-01
1972-03-28
Gen Electric
Imido-substituted polyester compositions
1972
1972-01-17
US
US05/218,498
patent/US3958064A/en
not_active
Expired – Lifetime
1972-05-29
CA
CA143,348A
patent/CA963739A/en
not_active
Expired
1972-06-09
NL
NL7207860A
patent/NL176815C/en
not_active
IP Right Cessation
1972-06-19
AR
AR24262872A
patent/AR192650A1/en
active
1972-06-20
IT
IT5102372A
patent/IT958456B/en
active
1972-06-20
GB
GB2889572A
patent/GB1375669A/en
not_active
Expired
1972-06-20
AU
AU43656/72A
patent/AU442671B2/en
not_active
Expired
1972-06-20
BE
BE785129A
patent/BE785129A/en
not_active
IP Right Cessation
1972-06-20
JP
JP6177372A
patent/JPS5211208B1/ja
active
Pending
1972-06-20
FR
FR7222135A
patent/FR2143095B1/fr
not_active
Expired
1972-06-21
DE
DE19722230970
patent/DE2230970B2/en
not_active
Ceased
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2118193A
(en)
*
1982-03-26
1983-10-26
Anic Spa
Polycarbonate-based thermoplastic polymer blends
FR2640983A1
(en)
*
1988-12-28
1990-06-29
Rhone Poulenc Films
WO1990007544A1
(en)
*
1988-12-28
1990-07-12
Rhone-Poulenc Films
Composite polyester films suitable in particular as supports for magnetic recording materials, and magnetic recording materials thus produced
EP0378954A3
(en)
*
1988-12-28
1991-07-24
Rhone-Poulenc Films
Composite polyester films useful as magnetic recording carriers, and magnetic recording materials
Also Published As
Publication number
Publication date
AR192650A1
(en)
1973-02-28
NL7207860A
(en)
1972-12-27
NL176815B
(en)
1985-01-02
CA963739A
(en)
1975-03-04
NL176815C
(en)
1985-06-03
AU4365672A
(en)
1973-11-29
IT958456B
(en)
1973-10-20
AU442671B2
(en)
1973-11-29
DE2230970A1
(en)
1973-02-01
FR2143095B1
(en)
1978-05-26
JPS5211208B1
(en)
1977-03-29
DE2230970B2
(en)
1977-06-23
BE785129A
(en)
1972-12-20
FR2143095A1
(en)
1973-02-02
US3958064A
(en)
1976-05-18
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Legal Events
Date
Code
Title
Description
1975-04-09
PS
Patent sealed [section 19, patents act 1949]
1989-06-07
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1990-02-21
PCNP
Patent ceased through non-payment of renewal fee
