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Current content: 156 511 693 patent documents

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1 026 356 documents amended

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EP 0160912 A3 19870916 - PHOTOGRAPHIC MATERIAL

Title (en)

PHOTOGRAPHIC MATERIAL

Publication

EP 0160912 A3 19870916 (DE)

Application

EP 85105192 A 19850430

Priority

DE 3416897 A 19840508

Abstract (en)

[origin: US4582783A] An antistatic layer applied to the back of the photographic material contains (A) a mixture of sodium magnesium silicate and the sodium salt of polystyrene sulphonic acid and (B) a succinic acid semi-ester compound. The antistatic layer is distinguished by high abrasion resistance and its good qualities as writing and printing surface.

IPC 1-7

G03C 1/82

IPC 8 full level

G03C 1/79 (2006.01); G03C 1/85 (2006.01)

CPC (source: EP US)

G03C 1/85 (2013.01 - EP US)

Citation (search report)

[A] US 3769020 A 19731030 - VERBURG W

Designated contracting state (EPC)

BE CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0160912 A2 19851113; EP 0160912 A3 19870916; EP 0160912 B1 19881012; DE 3416897 A1 19851114; DE 3565609 D1 19881117; JP S60249144 A 19851209; US 4582783 A 19860415

DOCDB simple family (application)

EP 85105192 A 19850430; DE 3416897 A 19840508; DE 3565609 T 19850430; JP 9395685 A 19850502; US 72755185 A 19850426