Internal reflection suppressing coating material for optical glass
US4332706A · kind A · utility
3Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1980 |
| Grant date | Jun 1, 1982 |
| Priority date | — |
| Expiry date | May 13, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D195/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Internal reflection of an optical glass is suppressed by applying a coating material comprising a material selected from coal tar and coal tar pitch and a resin selected from vinylidene chloride series copolymers and halogenated epoxy resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.