Global Patent Index - EP 0073619 A1

EP 0073619 A1 19830309 - A process for preventing dye images from discoloring and fading.

Title (en)

A process for preventing dye images from discoloring and fading.

Title (de)

Verfahren zur Verhinderung der Verfärbung und des Ausbleichens eines Farbbildes.

Title (fr)

Un procédé pour empêcher la décoloration et le fanage d'une image en couleurs.

Publication

EP 0073619 A1 19830309 (EN)

Application

EP 82304415 A 19820820

Priority

JP 13178881 A 19810821

Abstract (en)

A process for reducing or preventing a dye image in a color image froming material, or a dye image in a colored print, from discoloring and/or fading is described which comprises forming a colordevelopable leuco dye which develops color under the action of heat and/or light either in said color image forming material, or upon exposure of said image forming material, or in said colored print.

IPC 1-7

G03C 11/10; G03C 7/26; G03C 7/30; G03C 7/32

IPC 8 full level

G03C 7/26 (2006.01); B41M 1/00 (2006.01); C09D 11/02 (2006.01); G03C 1/06 (2006.01); G03C 5/30 (2006.01); G03C 7/392 (2006.01)

CPC (source: EP)

G03C 5/3021 (2013.01); G03C 7/39296 (2013.01); G03C 1/42 (2013.01); G03C 1/498 (2013.01); G03C 7/39224 (2013.01); G03C 7/39236 (2013.01); G03C 7/39248 (2013.01); G03C 7/39252 (2013.01); G03C 7/39276 (2013.01); G03C 2200/07 (2013.01); G03C 2200/19 (2013.01); G03C 2200/20 (2013.01)

Citation (search report)

  • [A] US 3377167 A 19680409 - FICHTER JR HARRY L
  • RESEARCH DISCLOSURE, no. 133, Disclosure 13313, May 1975, INDUSTRIAL OPPORTUNITIES LTD, Havant Hampshire, GB W.H. FAUL, P.H. SATURNO "Method of producing coLOR IMAGES PAGES 14-15
  • RESEARCH DISCLOSURE, no. 128, Disclosure 12838, December 1974, INDUSTRIAL OPPORTUNITIES LTD, Havant Hampshire, GB T.E. GOMPF, W.H. FAUL "Color photographic element and process" pages 39-42

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0073619 A1 19830309; JP S5833247 A 19830226; JP S6358345 B2 19881115

DOCDB simple family (application)

EP 82304415 A 19820820; JP 13178881 A 19810821