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Nondiffusible photographic couplers and photographic elements and processes employing same
T105702 Nondiffusible photographic couplers and photographic elements and processes employing same

Patent Drawings:
Inventor: Lestina
Date Issued: August 6, 1985
Application: 06/613,993
Filed: May 25, 1984
Inventors: Lestina; Gregory J. (Rochester, NY)
Assignee:
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 548/262.2
Field Of Search:
International Class: G03C 7/32
U.S Patent Documents:
Foreign Patent Documents:
Other References:

Abstract: Photographic couplers comprising a coupler moiety and a ballast moiety have advantageous properties when the ballast moiety is terminated with a hydroxyphenylsulfonyl or hydroxyphenylsulfinyl group. The couplers are useful in photographic emulsions and element.
Claim:
Description:
 
 
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