US006958208B2  Photographic processing of color photographic materials  can be carried out using polyphosphonic acids or salts  thereof in acidic "stop" solutions or wash solutions after  color development. When used in acidic stop solutions, the  polyphosphonic acid is preferably carried over into the  bleaching solution to provide added stability of the bleach› ing agent. The acidic stop solutions can also include organic  thiols that are used as bleaching accelerators when carried  over into the bleaching solutions.  U.S. Appl. No. 10/376,717, (D-85230) filed Feb. 28, 2003,  titled "Photographic Peracid Bleaching Composition, Pro› cessing Kit, and Method of Use" by Shirleyanne Haye et al.  Now USP 6,703,192.  Primary Examiner-Hoa  Van Le  (74)  Attorney, Agent, or Firm-1.  Lanny Tucker  *  cited by examiner  US 2005/0094996 Al  May 5, 2005  (10)  Patent No.:  US 6,958,208 B2  (45)  Date of Patent:  Oct. 25, 2005  (12)  United States Patent  Haye et al.  (54)  METHODS OF PROVIDING COLOR  PHOTOGRAPHIC IMAGE USING ACIDIC  STOP AND RINSE SOLUTIONS  (75)  Inventors:  Shirleyanne E. Haye,  Rochester, NY  (US);  Janet M. Huston,  Webster, NY  (US)  (73)  Assignee:  Eastman Kodak Company,  Rochester,  NY (US)  ( *)  Notice:  Subject to any disclaimer, the term of this  patent is extended or adjusted under 35  U.S.C. 154(b) by 46 days.  (21)  Appl. No.:  10/696,819  Oct. 30, 2003  (22)  Filed:  (65)  Prior Publication Data  (51)  Int. Cl.7  ................................................  G03C 7/42  (52)  U.S. Cl.  .......................  430/427;  430/393; 430/430  (58)  Field of Search  ................................ 430/427, 393,  430/430  (56)  References Cited  U.S. PATENT DOCUMENTS  4,312,940 A  *  1/1982 Nakamura et al. .......... 430/510  5,582,963 A  *  12/1996 Tsukada ..................... 430/527  5,645,980 A  7/1997 McGuckin et al. ......... 430/372  16 Claims, No Drawings  (57)  ABSTRACT  OTHER PUBLICATIONS  FOREIGN PATENT DOCUMENTS  5,691,118 A  6,365,332 Bl  *  6,520,694  Bl  11/1997 Haye .......................... 430/357  4/2002 Price et al. ................. 430/461  2/2003 Hall et al. .................. 396/567  DE  DE  EP  JP  29 38 803 A  198 25 181 A  1 193 549 A  04 062545 A  4/1980  12/1999  4/2002  2/1992 