Hollow silver halide grains and process for the preparation thereof
US4916052A · kind A · utility
5Cited by
2References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C7/3022
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Hollow silver halide grains and a process for their preparation are described. The hollow grains have high surface area/volume ratio and enhanced light absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.