Method for preventing the degradation of a hydrophilic colloid solution for silver halide photographic light-sensitive material
US4224403A · kind A · utility
15Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1978 |
| Grant date | Sep 23, 1980 |
| Priority date | — |
| Expiry date | Aug 3, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for preventing the degradation of a hydrophilic colloid solution for a silver halide photographic light-sensitive material of which the viscosity has been or is to be increased using an anionic polymer containing an acid group, which comprises incorporating into the hydrophilic colloid solution at least one compound represented by the formula (I): ##STR1## wherein R.sub. represents a hydrogen atom or an alkyl group; and R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.