GB1167527A - Production of Magnetic Recording Media - Google Patents

Production of Magnetic Recording Media

Info

Publication number
GB1167527A
GB1167527A GB5062466A GB5062466A GB1167527A GB 1167527 A GB1167527 A GB 1167527A GB 5062466 A GB5062466 A GB 5062466A GB 5062466 A GB5062466 A GB 5062466A GB 1167527 A GB1167527 A GB 1167527A
Authority
GB
United Kingdom
Prior art keywords
carbon atoms
weight
mixture
phenoplast
copolyamide
Prior art date
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
GB5062466A
Other languages
English (en)
Inventor
Gerhard Werst
Hans Wilhelm
Guenter Becht
Karl Uhl
Herbert Wagner
Werner Senkpiel
Georg Schnell
Job-Werner Hartmann
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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.)
Filing date
Publication date
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1167527A publication Critical patent/GB1167527A/en
Expired legal-status Critical Current

Links

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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
GB5062466A 1965-11-13 1966-11-11 Production of Magnetic Recording Media Expired GB1167527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965B0084502 DE1241490B (de) 1965-11-13 1965-11-13 Verfahren zum Herstellen von Magnetogrammtraegern

Publications (1)

Publication Number Publication Date
GB1167527A true GB1167527A (en) 1969-10-15

Family

ID=6982460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5062466A Expired GB1167527A (en) 1965-11-13 1966-11-11 Production of Magnetic Recording Media

Country Status (3)

Country Link
BE (1) BE689667A (de)
DE (1) DE1241490B (de)
GB (1) GB1167527A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074012A (en) 1973-01-02 1978-02-14 Minnesota Mining And Manufacturing Company Fine-metal-particle-based magnetic recording medium of improved environmental stability
CN102459414A (zh) * 2009-06-19 2012-05-16 巴斯夫欧洲公司 共聚酰胺

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459739A (en) * 1944-04-01 1949-01-18 Firestone Tire & Rubber Co Elastomeric copolymer mixed with phenol-aldehyde resin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074012A (en) 1973-01-02 1978-02-14 Minnesota Mining And Manufacturing Company Fine-metal-particle-based magnetic recording medium of improved environmental stability
CN102459414A (zh) * 2009-06-19 2012-05-16 巴斯夫欧洲公司 共聚酰胺
US8658724B2 (en) 2009-06-19 2014-02-25 Basf Se Copolyamides

Also Published As

Publication number Publication date
DE1241490B (de) 1967-06-01
BE689667A (de) 1967-05-16

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Legal Events

Date Code Title Description
416 Proceeding under section 16 patents act 1949
PS Patent sealed
PE Patent expired