GB1489152A - Composition for coating magnetic tapes - Google Patents

Composition for coating magnetic tapes

Info

Publication number
GB1489152A
GB1489152A GB22857/75A GB2285775A GB1489152A GB 1489152 A GB1489152 A GB 1489152A GB 22857/75 A GB22857/75 A GB 22857/75A GB 2285775 A GB2285775 A GB 2285775A GB 1489152 A GB1489152 A GB 1489152A
Authority
GB
United Kingdom
Prior art keywords
composition
particles
sulphonium
cyclic
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.)
Expired
Application number
GB22857/75A
Other languages
English (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.)
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 GB1489152A publication Critical patent/GB1489152A/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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
GB22857/75A 1974-06-17 1975-05-23 Composition for coating magnetic tapes Expired GB1489152A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1489152A true GB1489152A (en) 1977-10-19

Family

ID=23906120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22857/75A Expired GB1489152A (en) 1974-06-17 1975-05-23 Composition for coating magnetic tapes

Country Status (5)

Country Link
US (1) US3901816A (cg-RX-API-DMAC7.html)
JP (1) JPS5114006A (cg-RX-API-DMAC7.html)
DE (1) DE2526793A1 (cg-RX-API-DMAC7.html)
FR (1) FR2274987A1 (cg-RX-API-DMAC7.html)
GB (1) GB1489152A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188641A (en) * 1983-04-22 1987-10-07 Ici Plc Article having magnetic properties and production thereof

Families Citing this family (4)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188641A (en) * 1983-04-22 1987-10-07 Ici Plc Article having magnetic properties and production thereof

Also Published As

Publication number Publication date
JPS5114006A (cg-RX-API-DMAC7.html) 1976-02-04
FR2274987A1 (fr) 1976-01-09
FR2274987B1 (cg-RX-API-DMAC7.html) 1979-06-22
DE2526793A1 (de) 1976-01-02
US3901816A (en) 1975-08-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]