Aryloxy substituted photographic couplers and photographic elements and processes employing same
Couplers of good reactivity contain an aryloxy coupling-off group having in an ortho position a polarizable carbonyl, sulfonyl or phosphinyl substituent group which is free of photographic dye groups and photographic reagent groups.
Description
Patent History
Patent number: T103402
Type: Grant
Filed: Feb 3, 1983
Date of Patent: Sep 6, 1983
Inventor: Philip T. S. Lau (Rochester, NY)
Application Number: 6/463,425
Type: Grant
Filed: Feb 3, 1983
Date of Patent: Sep 6, 1983
Inventor: Philip T. S. Lau (Rochester, NY)
Application Number: 6/463,425
Classifications
Current U.S. Class:
Benzene Ring In A Substituent E (564/218);
260/509;
548/373;
548/374;
Carboxamides (i.e., Q-co-hnh, Wherein Q Is A Substituent Having Carbon Bonded Directly To The Carbonyl Or Is Hydrogen And Wherein Any Substituent Replacing One Or Both Hydrogens Shown Will Be Referred To As E) (564/123);
Q Contains An Ortho-hydroxy Naphthyl Bicyclo Ring System, Or Its Partially Hydrogenated Form, Bonded Directly To The Carbonyl (h Of -oh May Be Replaced By A Substituted Or Unsubstituted Ammonium Ion Or A Group Ia Or Iia Light Metal) (564/173);
Hydroxy, Bonded Directly To Carbon, Or Ether Containing (h Of -oh May Be Replaced By A Substituted Or Unsubstituted Ammonium Ion Or A Group Ia Or Iia Light Metal) (564/443)
International Classification: C07C10375;
International Classification: C07C10375;
