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Machine translation
1. (WO1992004659) SILVER IMAGE BLEACHING PROCESS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1992/004659    International Application No.:    PCT/EP1991/001659
Publication Date: 19.03.1992 International Filing Date: 03.09.1991
Chapter 2 Demand Filed:    02.04.1992    
IPC:
G03C 5/42 (2006.01), G03C 11/04 (2006.01)
Applicants: KODAK LIMITED [GB/GB]; Patent Department, Headstone Drive, Harrow, Middlesex HA1 4TY (GB) (GB only).
EASTMAN KODAK COMPANY [US/US]; Patent Department, 343 State Street, Rochester, NY 14650-2201 (US) (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, JP, LU, NL, SE only).
BARNETT, Anthony, Malcolm [GB/GB]; (GB) (For US Only).
HALLBERY, David, Alan [GB/GB]; (GB) (For US Only)
Inventors: BARNETT, Anthony, Malcolm; (GB).
HALLBERY, David, Alan; (GB)
Agent: BARON, Paul, A., C.; Kodak Limited, Patent Department, Headstone Drive, Harrow, Middlesex HA1 4TY (GB)
Priority Data:
9019604.9 07.09.1990 GB
Title (EN) SILVER IMAGE BLEACHING PROCESS
(FR) PROCEDE DE BLANCHIMENT D'IMAGES ARGENTIQUES
Abstract: front page image
(EN)A method for bleaching a silver image wherein the image is treated with a first solution comprising iodine and an iodide salt and then the iodine stain is removed by treating it with a second solution comprising ascorbic acid ans sulphite ions. The method is particularly useful for silver images formed by the silver salt diffusion transfer process.
(FR)Procédé de blanchiment d'une image argentique, selon lequel on trite l'image avec une première solution contenant de l'iode et un sel d'iodure, puis on enlève la tache d'iode en la traitant avec une seconde solution contenant de l'acide ascorbique et des ions de sulfite. Ce procédé est tout particulièrement adapté aux images argentiques formées par le processus de diffusion par transfert de sels d'argent.
Designated States: JP, US.
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE).
Publication Language: English (EN)
Filing Language: English (EN)