Print retaining coatings and coating compositions for the preparation thereof
US5405907A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1991 |
| Grant date | Apr 11, 1995 |
| Priority date | — |
| Expiry date | Aug 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31902
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A photographic paper having a print retaining layer including a granular tooth providing ingredient in a binder polymer having a T.sub.g of 30.degree. to 65.degree. C. which is the addition product of from about 30 to about 98 mol percent of an alkylmethacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol percent of an alkali metal salt of a ethylenically unsaturated sulfonic or carboxylic acid, from 0 to about 65 mol percent of a vinyl benzene monomer and from 0 to about 5 mol percent of a crosslinking agent containing two ethylenically unsaturated bonds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.