High density information disc
US4346469A · kind A · utility
9Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1981 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Jul 20, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
High density information discs comprising a conductive carbon-loaded polyvinylchloride disc lubricated with a fractionated methyl alkyl siloxane lubricant which contains a hexaalkyldisilazane additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.