.beta.-Eliminating polymers for diffusion control in photographic products
US4458001A · kind A · utility
22Cited by
5References
51Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1982 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Dec 29, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C8/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Polymerizable monomeric carbamates are disclosed. Polymers comprising recurring units from such carbamates undergo .beta.-elimination in an alkaline environment and are useful in diffusion control layers in diffusion transfer photographic products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.