Photographic carrier material containing thermoplastic microspheres
US4133688A · kind A · utility
48Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Jul 8, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31906
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A photographic carrier material comprising a cellulose sheet which is coated on both surfaces with a polyolefin resin and in which hollow, thermoplastic microspheres are uniformly mixed therein in an amount of from 0.5 - 5.0 weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.