High density information disc lubricants
US4342660A · kind A · utility
8Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1981 |
| Grant date | Aug 3, 1982 |
| Priority date | — |
| Expiry date | Jun 12, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
High density information discs comprising a conductive carbon loaded polyvinylchloride disc is lubricated with a fractionated methyl alkyl siloxane lubricant which contains an alkyl-substituted-(trialkoxysilyl)alkyl quaternary ammonium salt additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.