(19)
(11) EP 0 577 041 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.03.1994 Bulletin 1994/11

(43) Date of publication A2:
05.01.1994 Bulletin 1994/01

(21) Application number: 93110274.3

(22) Date of filing: 28.06.1993
(51) International Patent Classification (IPC)5: G03C 7/30
(84) Designated Contracting States:
BE CH DE FR GB IT LI NL

(30) Priority: 29.06.1992 US 905981

(71) Applicant: EASTMAN KODAK COMPANY
Rochester, New York 14650-2201 (US)

(72) Inventors:
  • Darmon, Charles Max, c/o Eastman Kodak Company
    Rochester, New York 14650-2201 (US)
  • Henry, William George, c/o Eastman Kodak Company
    Rochester, New York 14650-2201 (US)
  • Schwartz, Paul Andrew, c/o Eastman Kodak Company
    Rochester, New York 14650-2201 (US)
  • Youngblood, Michael Phillip, c/o Eastman Kodak Co.
    Rochester, New York 14650-2201 (US)

(74) Representative: Brandes, Jürgen, Dr. rer. nat. et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München
81541 München (DE)


(56) References cited: : 
   
       


    (54) Stabilizing solution for use in photographic processing


    (57) A stabilizing solution includes an aldehydic dye stabilizing agent and a soluble secondary amine in an amount sufficient to activate an aldehydic dye stabilizing agent. The secondary amine has the formula:


    wherein each of R1 and R2 is an alkyl group having four or fewer carbon atoms, an aromatic group, a substituted aromatic group or an alkyl group containing solubilizing substituents and having up to seven carbon atoms or has the formula:


    wherein the cyclic group has four to six carbon atoms, X is an oxygen or nitrogen atom and a is 0 or 1.





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