Title:
Photographic elements containing polymeric ultraviolet absorbing compounds
United States Patent 2882150
Inventors:
Allan, James Van A.
Williams, Jack L. R.
Publication Date:
04/14/1959
Assignee:
EASTMAN KODAK CO
Other Classes:
430/931, 430/17, 525/56, 544/278, 548/184, 430/512, 525/61
International Classes:
C07D277/20; C07D513/04; G03C1/815; C07D277/00; C07D513/00
US Patent References:
| 2739888 | Photographic elements containing thiazolidine derivatives | | | |
| 2739971 | 5-benzal-3-n-cetyl-2-phenylimino-4-thiazolidone | | | |
| 2753264 | Silver halide emulsions of polyvinyl acetal polymers | | | |