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Shifted photographic dyes and compositions, elements and processes employing them |
| T999003 |
Shifted photographic dyes and compositions, elements and processes employing them
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| Patent Drawings: | |
| Inventor: |
Ford, et al. |
| Date Issued: |
October 7, 1980 |
| Application: |
06/143,659 |
| Filed: |
April 25, 1980 |
| Inventors: |
Ford; John A. (Rochester, NY)
Lestina; Gregory J. (Rochester, NY)
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| U.S. Class: |
430/223; 534/753 |
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| Abstract: |
Shifted photographic dyes which have good storage stability, yet rapidly unblock under processing conditions contain a blocked hydroxy group and a neighboring group that anchimerically assists the hydrolytic cleavage of the blocking group under processing conditions. |
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