Acidic o-nitroaromatics as photoinhibitors of polymerization in positive working films
US4477556A · kind A · utility
19Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1982 |
| Grant date | Oct 16, 1984 |
| Priority date | — |
| Expiry date | Aug 18, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/118
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A photopolymerizable coating composition comprising PA1 (1) a nongaseous, ethylenically unsaturated, polymerizable compound, PA1 (2) a specified acidic o-nitroaromatic compound, and PA1 (3) an organic, radiation-sensitive, free-radical generating system which is useful for making a positive or negative polymeric image on a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.