GB1347269A - Magnetic storage material - Google Patents
Magnetic storage materialInfo
- Publication number
- GB1347269A GB1347269A GB1364371A GB1364371A GB1347269A GB 1347269 A GB1347269 A GB 1347269A GB 1364371 A GB1364371 A GB 1364371A GB 1364371 A GB1364371 A GB 1364371A GB 1347269 A GB1347269 A GB 1347269A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reaction product
- isocyanate
- urethane
- methyl isocyanate
- acetate
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
- C08G18/711—Monoisocyanates or monoisothiocyanates containing oxygen in addition to isocyanate oxygen
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702023072 DE2023072A1 (de) | 1970-05-12 | 1970-05-12 | Magnetisches Aufzeichnungsmedium |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1347269A true GB1347269A (en) | 1974-02-27 |
Family
ID=5770849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1364371A Expired GB1347269A (en) | 1970-05-12 | 1971-05-07 | Magnetic storage material |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE766904A (de) |
DE (1) | DE2023072A1 (de) |
FR (1) | FR2091526A5 (de) |
GB (1) | GB1347269A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128223B2 (de) * | 1972-04-24 | 1976-08-18 | ||
JPS5677926A (en) * | 1979-11-28 | 1981-06-26 | Tdk Corp | Magnetic recording medium using cobalt adhesion type iron oxide |
EP0047796B1 (de) * | 1980-09-15 | 1983-12-14 | Firma Carl Freudenberg | Wundauflage aus hydrophoben Fasern |
-
1970
- 1970-05-12 DE DE19702023072 patent/DE2023072A1/de active Pending
-
1971
- 1971-05-07 GB GB1364371A patent/GB1347269A/en not_active Expired
- 1971-05-10 BE BE766904A patent/BE766904A/nl unknown
- 1971-05-12 FR FR7117220A patent/FR2091526A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2023072A1 (de) | 1971-12-02 |
FR2091526A5 (de) | 1972-01-14 |
BE766904A (nl) | 1971-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |