Global Patent Index - EP 0027461 B1

EP 0027461 B1 19841003 - COLOR TRANSFER FILM AND PROCESS

Title (en)

COLOR TRANSFER FILM AND PROCESS

Publication

EP 0027461 B1 19841003 (EN)

Application

EP 80900938 A 19801104

Priority

US 3300179 A 19790424

Abstract (en)

[origin: WO8002333A1] Diffusion transfer films and processes wherein the processing composition includes a light-reflecting pigment and a pH-sensitive optical filter agent and the image-receiving element carries a layer containing a substantially non-diffusible agent adapted to decolorize optical filter agent immediately adjacent the interface between said processing composition and said layer containing said decolorizing agent.

IPC 1-7

G03C 5/54; G03C 7/00; G03C 1/40; G03C 1/48; G03C 1/84

IPC 8 full level

G03C 7/00 (2006.01); G03C 8/00 (2006.01); G03C 8/08 (2006.01); G03C 8/52 (2006.01)

CPC (source: EP)

G03C 8/00 (2013.01); G03C 8/52 (2013.01)

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

WO 8002333 A1 19801030; DE 3069337 D1 19841108; EP 0027461 A1 19810429; EP 0027461 A4 19820712; EP 0027461 B1 19841003; JP S56500432 A 19810402; JP S6245540 B2 19870928

DOCDB simple family (application)

US 8000460 W 19800424; DE 3069337 T 19800424; EP 80900938 A 19801104; JP 50110880 A 19800424