T 0834/91 () of 31.8.1993

European Case Law Identifier: ECLI:EP:BA:1993:T083491.19930831
Date of decision: 31 August 1993
Case number: T 0834/91
Application number: 86101287.0
IPC class: C08B 11/14
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 505 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Hydrophobe substituted, water-soluble cationic polysaccharides
Applicant name: Union Carbide Corporation
Opponent name: -
Board: 3.3.03
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 56
Keywords: Inventive step (no) - closest state of the art
Catchwords:

Obvious extension of a specific class of compounds to a large group of compounds having similar properties

Cited decisions:
T 0606/89
Citing decisions:
T 0380/93
T 0212/95
T 0730/96
T 0913/00
T 2018/12

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t910834eu1.html

Date retrieved: 17 May 2021

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