FR2274987A1 - Revetement de bande magnetique - Google Patents

Revetement de bande magnetique

Info

Publication number
FR2274987A1
FR2274987A1 FR7518788A FR7518788A FR2274987A1 FR 2274987 A1 FR2274987 A1 FR 2274987A1 FR 7518788 A FR7518788 A FR 7518788A FR 7518788 A FR7518788 A FR 7518788A FR 2274987 A1 FR2274987 A1 FR 2274987A1
Authority
FR
France
Prior art keywords
magnetic tape
tape coating
coating
magnetic
tape
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.)
Granted
Application number
FR7518788A
Other languages
English (en)
French (fr)
Other versions
FR2274987B1 (enExample
Inventor
Mary Elizabeth Thomas
Nee Roemer
Robert Henry Lalk
Syamalarao Evani
Donald Leroy Schmidt
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of FR2274987A1 publication Critical patent/FR2274987A1/fr
Application granted granted Critical
Publication of FR2274987B1 publication Critical patent/FR2274987B1/fr
Granted 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
FR7518788A 1974-06-17 1975-06-16 Revetement de bande magnetique Granted FR2274987A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479958A US3901816A (en) 1974-06-17 1974-06-17 Magnetic tape coating

Publications (2)

Publication Number Publication Date
FR2274987A1 true FR2274987A1 (fr) 1976-01-09
FR2274987B1 FR2274987B1 (enExample) 1979-06-22

Family

ID=23906120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518788A Granted FR2274987A1 (fr) 1974-06-17 1975-06-16 Revetement de bande magnetique

Country Status (5)

Country Link
US (1) US3901816A (enExample)
JP (1) JPS5114006A (enExample)
DE (1) DE2526793A1 (enExample)
FR (1) FR2274987A1 (enExample)
GB (1) GB1489152A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0039165B1 (en) * 1980-04-17 1985-07-03 Minnesota Mining And Manufacturing Company Polyfunctional aziridine crosslinking agents for aqueous magnetic recording media binder
US4490505A (en) * 1980-04-17 1984-12-25 Minnesota Mining And Manufacturing Company Polyfunctional aziridine crosslinking agents for aqueous magnetic recording media binder
JPS5720926A (en) * 1980-07-11 1982-02-03 Hitachi Ltd Manufacture of magnetic disk
JPS5864627A (ja) * 1981-10-15 1983-04-18 Sony Corp 磁気記録媒体
GB2188641B (en) * 1983-04-22 1988-02-10 Ici Plc Article having magnetic properties and production thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072577A (en) * 1958-12-19 1963-01-08 Ibm Moisture set magnetic inks
US3634252A (en) * 1970-06-22 1972-01-11 Du Pont Chromium dioxide recording compositions stabilized with long-chain ammonium salts
US3725285A (en) * 1970-06-24 1973-04-03 Ibm Magnetic coating compositions
US3795539A (en) * 1971-06-23 1974-03-05 Adm Tronics Water-based binder for magnetic tape
BE787601A (fr) * 1971-08-16 1973-02-16 Dow Chemical Co Compositions aqueuses d'amphions sulfoniques cycliques et de sols colloidaux, destinees aux revetements
US3749739A (en) * 1971-12-07 1973-07-31 Dow Chemical Co Poly(hydroxyarylpolymethylenesulfonium)zwitterionic monomers and surface coatings therefrom
US3804797A (en) * 1972-09-13 1974-04-16 Dow Chemical Co Coating compositions comprising cyclic sulfonium zwitterions with carboxy containing polymers

Also Published As

Publication number Publication date
DE2526793A1 (de) 1976-01-02
JPS5114006A (enExample) 1976-02-04
US3901816A (en) 1975-08-26
FR2274987B1 (enExample) 1979-06-22
GB1489152A (en) 1977-10-19

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Legal Events

Date Code Title Description
ST Notification of lapse