T 0054/90 () of 16.6.1993

European Case Law Identifier: ECLI:EP:BA:1993:T005490.19930616
Date of decision: 16 June 1993
Case number: T 0054/90
Application number: 83109706.8
IPC class: C08B 11/12
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 471 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Sodium carboxymethylcellulose
Applicant name: Daicel Chemical Industries, Ltd.
Opponent name: Akzo N.V.
Hoechst Aktiengesellschaft
Board: 3.3.03
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 54(3)
European Patent Convention 1973 Art 54(4)
European Patent Convention 1973 Art 123(3)
Keywords: Novelty (yes)
Broadening of scope of protection (no) - change of category from product to process for its preparation (admissible) (cf. point 3.2)
Inventive step (yes)
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 0003/96
T 0455/96
T 0963/96
T 0674/02
T 1542/10

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t900054eu1.html

Date retrieved: 17 May 2021

4 references found.

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