Gelatin-grafted polymer particles
US4920004A · kind A · utility
24Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 7, 1989 |
| Grant date | Apr 24, 1990 |
| Priority date | — |
| Expiry date | Feb 7, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
There are disclosed polymer particles that are individually covered with gelatin that is covalently bonded thereto. The particles are useful in a variety of applications, such as photographic matting agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.