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 0016320 A3 19810701 - A RIBBON FOR NON-IMPACT ELECTROTHERMIC PRINTING

Title (en)

A RIBBON FOR NON-IMPACT ELECTROTHERMIC PRINTING

Publication

EP 0016320 A3 19810701 (EN)

Application

EP 80100496 A 19800201

Priority

US 2056779 A 19790315

Abstract (en)

[origin: EP0016320A2] A ribbon for non-impact electrothermic printing is provided. The ribbon includes an electrically conductive substrate and a transfer layer. The transfer layer comprises colouring material and glycerol ester of hydrogenated rosin. The transfer layer also included ethyl cellulose.

IPC 1-7

B41M 5/26; B41J 3/20

IPC 8 full level

B41J 31/00 (2006.01); B41M 1/00 (2006.01); B41M 5/10 (2006.01); B41M 5/26 (2006.01); B41M 5/382 (2006.01); B41M 5/392 (2006.01); G01D 15/20 (2006.01)

CPC (source: EP)

B41M 5/3825 (2013.01)

Citation (search report)

FR 2360917 A1 19780303 - OZALID GROUP HOLDINGS LTD [GB]

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0016320 A2 19801001; EP 0016320 A3 19810701; CA 1135056 A 19821109; JP S55124693 A 19800925

DOCDB simple family (application)

EP 80100496 A 19800201; CA 343628 A 19800114; JP 1930380 A 19800220