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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 documents amended

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EP 0012215 B1 19820630 - 2-HYDROXYBUTANESULFONIC ACID CHOLINE AND ITS USE AS CONDUCTING SALT

Title (en)

2-HYDROXYBUTANESULFONIC ACID CHOLINE AND ITS USE AS CONDUCTING SALT

Publication

EP 0012215 B1 19820630 (DE)

Application

EP 79104324 A 19791106

Priority

DE 2849065 A 19781111

Abstract (en)

[origin: EP0012215A1] 1. A quaternary ammonium salt of the formula see diagramm : EP0012215,P4,F3

IPC 1-7

C25B 3/00; C07C 91/26

IPC 8 full level

C07C 309/01 (2006.01); C07C 67/00 (2006.01); C07C 213/00 (2006.01); C07C 215/40 (2006.01); C07C 301/00 (2006.01); C25B 3/00 (2006.01)

CPC (source: EP)

C25B 3/00 (2013.01)

Citation (examination)

GB 967956 A 19640826 - MONSANTO CO

Designated contracting state (EPC)

BE CH DE FR GB IT

DOCDB simple family (publication)

EP 0012215 A1 19800625; EP 0012215 B1 19820630; DE 2849065 A1 19800522; DE 2963267 D1 19820819; JP S5572147 A 19800530

DOCDB simple family (application)

EP 79104324 A 19791106; DE 2849065 A 19781111; DE 2963267 T 19791106; JP 14559679 A 19791112