FR2206547A1 - - Google Patents

Info

Publication number
FR2206547A1
FR2206547A1 FR7340462A FR7340462A FR2206547A1 FR 2206547 A1 FR2206547 A1 FR 2206547A1 FR 7340462 A FR7340462 A FR 7340462A FR 7340462 A FR7340462 A FR 7340462A FR 2206547 A1 FR2206547 A1 FR 2206547A1
Authority
FR
France
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.)
Granted
Application number
FR7340462A
Other languages
French (fr)
Other versions
FR2206547B1 (en
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
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 filed Critical BASF SE
Publication of FR2206547A1 publication Critical patent/FR2206547A1/fr
Application granted granted Critical
Publication of FR2206547B1 publication Critical patent/FR2206547B1/fr
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
    • G11B5/7021—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 containing a polyurethane or a polyisocyanate
    • G11B5/7022—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 containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
FR7340462A 1972-11-15 1973-11-14 Expired FR2206547B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2255802A DE2255802C3 (en) 1972-11-15 1972-11-15 Layer magnetogram carrier

Publications (2)

Publication Number Publication Date
FR2206547A1 true FR2206547A1 (en) 1974-06-07
FR2206547B1 FR2206547B1 (en) 1977-06-03

Family

ID=5861711

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7340462A Expired FR2206547B1 (en) 1972-11-15 1973-11-14

Country Status (7)

Country Link
JP (1) JPS5633774B2 (en)
BE (1) BE807421A (en)
CA (1) CA1010309A (en)
DE (1) DE2255802C3 (en)
FR (1) FR2206547B1 (en)
GB (1) GB1448457A (en)
IT (1) IT996447B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446855A1 (en) * 1979-01-19 1980-08-14 Minnesota Mining & Mfg COATING OF FINE PARTICLES IN A POLYURETHANE SEQUENCE COPOLYMER BINDER AND MAGNETIC RECORDING MEDIUM COMPRISING SUCH A COATING

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2442762C2 (en) * 1974-09-06 1983-02-24 Basf Ag, 6700 Ludwigshafen Layered magnetogram carrier with polyurethane elastomer binders in the magnetic layer
DE3127884A1 (en) * 1981-07-15 1983-02-03 Agfa-Gevaert Ag, 5090 Leverkusen MAGNETIC STORAGE MEDIUM
JPS6032142U (en) * 1983-08-12 1985-03-05 株式会社クボタ Headlight structure of reaping harvester
DE3341699A1 (en) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen MAGNETIC RECORDING CARRIERS
DE3341698A1 (en) * 1983-11-18 1985-05-30 Basf Ag, 6700 Ludwigshafen MAGNETIC RECORDING CARRIERS

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899411A (en) * 1956-07-30 1959-08-11 Polyurethane elastomers from hy-
DE1130612B (en) * 1961-01-03 1962-05-30 Agfa Ag Process for the production of layered magnetic memories for sound, image and pulse recording
US3144352A (en) * 1962-10-15 1964-08-11 Ampex Magnetic tape having a binder mixture of polyurethane resin and a copolymer of vinylidene chloride and acrylonitrile
GB1260522A (en) * 1968-02-12 1972-01-19 Fuji Photo Film Co Ltd Magnetic recording media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2101490C3 (en) * 1971-01-14 1978-04-13 Basf Ag, 6700 Ludwigshafen Magnetic cards for data acquisition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899411A (en) * 1956-07-30 1959-08-11 Polyurethane elastomers from hy-
DE1130612B (en) * 1961-01-03 1962-05-30 Agfa Ag Process for the production of layered magnetic memories for sound, image and pulse recording
US3144352A (en) * 1962-10-15 1964-08-11 Ampex Magnetic tape having a binder mixture of polyurethane resin and a copolymer of vinylidene chloride and acrylonitrile
GB1260522A (en) * 1968-02-12 1972-01-19 Fuji Photo Film Co Ltd Magnetic recording media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446855A1 (en) * 1979-01-19 1980-08-14 Minnesota Mining & Mfg COATING OF FINE PARTICLES IN A POLYURETHANE SEQUENCE COPOLYMER BINDER AND MAGNETIC RECORDING MEDIUM COMPRISING SUCH A COATING

Also Published As

Publication number Publication date
JPS4982307A (en) 1974-08-08
DE2255802C3 (en) 1981-10-15
GB1448457A (en) 1976-09-08
JPS5633774B2 (en) 1981-08-06
DE2255802A1 (en) 1974-05-22
CA1010309A (en) 1977-05-17
IT996447B (en) 1975-12-10
DE2255802B2 (en) 1981-01-22
FR2206547B1 (en) 1977-06-03
BE807421A (en) 1974-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse