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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0410753 A1 19910130 - Photographic recording materials with latent image stability.

Title (en)

Photographic recording materials with latent image stability.

Title (de)

Photographische Aufzeichnungsmaterialien mit Latentbildstabilität.

Title (fr)

Matériaux photographiques d'enregistrement avec une image latente stable.

Publication

EP 0410753 A1 19910130 (EN)

Application

EP 90308201 A 19900726

Priority

US 38505089 A 19890726

Abstract (en)

Latent image stability is enhanced in photographic recording materials through the use of long chain N-alkyl- or N-alkenylbenzothiazolium salts.

IPC 1-7

G03C 1/34

IPC 8 full level

G03C 1/34 (2006.01)

CPC (source: EP)

G03C 1/346 (2013.01)

Citation (search report)

[X] US 4237214 A 19801202 - MIFUNE HIROYUKI, et al
[X] US 3342596 A 19670919 - GRAHAM JAMES L
[XP] EP 0377889 A1 19900718 - AGFA GEVAERT AG [DE]
[AD] US 3954478 A 19760504 - ARAI NAOKI, et al

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0410753 A1 19910130; JP H0365946 A 19910320

DOCDB simple family (application)

EP 90308201 A 19900726; JP 19412390 A 19900724