T 0946/00 (Polyisobutylphenols/CHEVRON) of 24.11.2004

European Case Law Identifier: ECLI:EP:BA:2004:T094600.20041124
Date of decision: 24 November 2004
Case number: T 0946/00
Application number: 94905459.7
IPC class: C07C 37/14
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 82 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Process for the preparation of polyisobutyl hydroxyaromatics
Applicant name: Chevron Chemical Company LLC
Opponent name: Ethyl Corporation
The Lubrizol Corporation
Board: 3.3.01
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 54
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 123(2)
European Patent Convention 1973 Art 123(3)
Keywords: Main and auxiliary request: novelty (yes) - prior art silent about distinguishing feature - no implicit disclosure - inadequate evidence - multiple selection; inventive step (no) - obvious to try - no deterrent teaching in the art
Catchwords:

-

Cited decisions:
T 0002/81
T 0099/85
T 0249/88
T 0800/91
T 1053/93
T 0068/95
Citing decisions:
T 0552/04
T 1451/08
T 0830/09
T 1758/10

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