Light-absorbing water-permeable colloid layer containing an oxonol dye
United States Patent 3247127
US Patent References:
Organic dye
- - 2345193
Process for preparing oxonol dyes
- - 2533206
Unsymmetrical oxonol filter and antihalation dyes
- - 2533472
Ultraviolet absorbing filter
- - 2534654
Colored photographic layer
- - 2611698
Organic dye
- - 2345193
Process for preparing oxonol dyes
- - 2533206
Unsymmetrical oxonol filter and antihalation dyes
- - 2533472
Ultraviolet absorbing filter
- - 2534654
Colored photographic layer
- - 2611698
Inventors:
Joseph, Bailey
Publication Date:
04/19/1966
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Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
430/507, 544/302, 544/300, 430/518, 430/522
International Classes:
C07C273/18; C09B23/02; G03C1/83; C07C275/16; C07C275/26; C07C275/28; C07C273/00; C09B23/00; C07C275/00
US Patent References:
| 2614940 | Ultraviolet light absorbing film |