GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 156 978 933 patent documents

This week's update (05/07/2024 12:00 CET):

169 914 new documents added

2 331 667 documents amended

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EP 0275234 A2 19880720 - Layers for photographic materials.

Title (en)

Layers for photographic materials.

Title (de)

Schichten für photographische Materialien.

Title (fr)

Couches pour matériaux photographiques.

Publication

EP 0275234 A2 19880720 (DE)

Application

EP 88810007 A 19880107

Priority

CH 9787 A 19870113

Abstract (en)

Schichten für photographische Materialien, die ein Polysaccharid enthalten.

Abstract (de)

Schichten für photographische Materialien, die ein Polysaccharid enthalten.

IPC 1-7

G03C 1/04; G03C 1/76; G03C 1/80; G03C 5/52

IPC 8 full level

G03C 1/04 (2006.01); G03C 1/76 (2006.01); G03C 7/28 (2006.01)

CPC (source: EP US)

G03C 1/04 (2013.01 - EP US); G03C 1/7614 (2013.01 - EP US); G03C 7/28 (2013.01 - EP US); Y10S 430/106 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0275234 A2 19880720; EP 0275234 A3 19890726; JP H01221736 A 19890905; US 4898810 A 19900206

DOCDB simple family (application)

EP 88810007 A 19880107; JP 392388 A 19880113; US 34629488 A 19880501