Process for manufacturing nitropyrene-formaldehyde resin
US3984378A · kind A · utility
14Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1974 |
| Grant date | Oct 5, 1976 |
| Priority date | — |
| Expiry date | Mar 12, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photoconductive, film forming nitropyrene-formaldehyde resins characterized by a repeating structural unit of the formula: ##SPC1## And process for preparation, the photoconductive films themselves, and such films on an electrically conductive support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.