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Current content: 159 679 824 patent documents

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164 112 new documents added

576 445 documents amended

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EP 0439944 A3 19910828 - TWO-SIDE IMAGEABLE PHOTOTHERMOGRAPHIC PAPER

Title (en)

TWO-SIDE IMAGEABLE PHOTOTHERMOGRAPHIC PAPER

Publication

EP 0439944 A3 19910828 (EN)

Application

EP 90313868 A 19901219

Priority

US 47277790 A 19900131

Abstract (en)

[origin: EP0439944A2] Two-side coated paper dry silver photothermographic imaging elements suffer from bubbling on the second coated side. The use of polyvinylacetate as part of the binding media for the second coated emulsion has been found to reduce the problem.

IPC 1-7

G03C 1/498

IPC 8 full level

G03C 1/498 (2006.01); G03C 1/76 (2006.01)

CPC (source: EP)

G03C 1/49863 (2013.01)

Citation (search report)

[X] US 3672933 A 19720627 - LIEBERMAN MARVIN FRANK
[A] PATENT ABSTRACTS OF JAPAN vol. 3, no. 86 (E-125)() 24 July 1979, & JP-A-54 65026 (FUJI) 25 May 1979,

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0439944 A2 19910807; EP 0439944 A3 19910828; CA 2029980 A1 19910801; JP H05197066 A 19930806

DOCDB simple family (application)

EP 90313868 A 19901219; CA 2029980 A 19901114; JP 969991 A 19910130