JPS4982307A - - Google Patents
Info
- Publication number
- JPS4982307A JPS4982307A JP48127798A JP12779873A JPS4982307A JP S4982307 A JPS4982307 A JP S4982307A JP 48127798 A JP48127798 A JP 48127798A JP 12779873 A JP12779873 A JP 12779873A JP S4982307 A JPS4982307 A JP S4982307A
- Authority
- JP
- Japan
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255802A DE2255802C3 (de) | 1972-11-15 | 1972-11-15 | Schichtmagnetogrammträger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4982307A true JPS4982307A (it) | 1974-08-08 |
| JPS5633774B2 JPS5633774B2 (it) | 1981-08-06 |
Family
ID=5861711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12779873A Expired JPS5633774B2 (it) | 1972-11-15 | 1973-11-15 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5633774B2 (it) |
| BE (1) | BE807421A (it) |
| CA (1) | CA1010309A (it) |
| DE (1) | DE2255802C3 (it) |
| FR (1) | FR2206547B1 (it) |
| GB (1) | GB1448457A (it) |
| IT (1) | IT996447B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2442762C2 (de) * | 1974-09-06 | 1983-02-24 | Basf Ag, 6700 Ludwigshafen | Schichtmagnetogrammträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht |
| JPS55100157A (en) * | 1979-01-19 | 1980-07-30 | Minnesota Mining & Mfg | Coating |
| DE3127884A1 (de) * | 1981-07-15 | 1983-02-03 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetisches speichermedium |
| JPS6032142U (ja) * | 1983-08-12 | 1985-03-05 | 株式会社クボタ | 刈取収穫機の前照灯構造 |
| DE3341699A1 (de) * | 1983-11-18 | 1985-05-30 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
| DE3341698A1 (de) * | 1983-11-18 | 1985-05-30 | Basf Ag, 6700 Ludwigshafen | Magnetische aufzeichnungstraeger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899411A (en) * | 1956-07-30 | 1959-08-11 | Polyurethane elastomers from hy- | |
| DE1130612B (de) * | 1961-01-03 | 1962-05-30 | Agfa Ag | Verfahren zur Herstellung von schichtfoermigen Magnetspeichern fuer Schall-, Bild- und Impulsaufzeichnung |
| BE638467A (it) * | 1962-10-15 | 1900-01-01 | ||
| DE1906548A1 (de) * | 1968-02-12 | 1969-09-18 | Fuji Photo Film Co Ltd | Magnetisches Aufzeichnungsmedium |
| DE2101490C3 (de) * | 1971-01-14 | 1978-04-13 | Basf Ag, 6700 Ludwigshafen | Magnetkarten für die Datenerfassung |
-
1972
- 1972-11-15 DE DE2255802A patent/DE2255802C3/de not_active Expired
-
1973
- 1973-11-14 IT IT53691/73A patent/IT996447B/it active
- 1973-11-14 GB GB5279073A patent/GB1448457A/en not_active Expired
- 1973-11-14 FR FR7340462A patent/FR2206547B1/fr not_active Expired
- 1973-11-14 CA CA185,731A patent/CA1010309A/en not_active Expired
- 1973-11-15 JP JP12779873A patent/JPS5633774B2/ja not_active Expired
- 1973-11-16 BE BE137837A patent/BE807421A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2206547A1 (it) | 1974-06-07 |
| DE2255802A1 (de) | 1974-05-22 |
| DE2255802B2 (it) | 1981-01-22 |
| FR2206547B1 (it) | 1977-06-03 |
| GB1448457A (en) | 1976-09-08 |
| IT996447B (it) | 1975-12-10 |
| JPS5633774B2 (it) | 1981-08-06 |
| CA1010309A (en) | 1977-05-17 |
| BE807421A (fr) | 1974-05-16 |
| DE2255802C3 (de) | 1981-10-15 |