Nondiffusible photographic couplers and photographic elements and processes employing same
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.
Description
Patent History
Patent number: T105702
Type: Grant
Filed: May 25, 1984
Date of Patent: Aug 6, 1985
Inventor: Gregory J. Lestina (Rochester, NY)
Application Number: 6/613,993
Type: Grant
Filed: May 25, 1984
Date of Patent: Aug 6, 1985
Inventor: Gregory J. Lestina (Rochester, NY)
Application Number: 6/613,993
Classifications
Current U.S. Class:
548/262
International Classification: C07D24908;
International Classification: C07D24908;