T 0525/90 (Pigments/TIOXIDE) of 17.06.1992

European Case Law Identifier: ECLI:EP:BA:1992:T052590.19920617
Date of decision: 17 June 1992
Case number: T 0525/90
Petition for review of: -
Application number: 82305580.1
IPC class: C09C 1/36
Language of proceedings: English
Distribution: No distribution (D)
Download: Decision in English
OJ versions: No OJ links found
Other decisions for this case: -
Abstracts for this decision: -
Application title: Titanium dioxide pigments and their preparation
Applicant name: TIOXIDE GROUP PLC
Opponent name: 01) KRONOS TITAN-GmbH, Leverkusen
02) BAYER AG; Leverkusen
Board: 3.3.02
Headnote: -
Relevant legal provisions: European Patent Convention Art 54 1973 European Patent Convention Art 56 1973
Keywords: Inventive step (no)
Catchword: Prior art process not inevitably leading to the claimed product - absence of convincing evidence - no reversal of the burden of proof
Inventive step (no) - obvious to try in view of the disclosed improvement
Cited cases: T 0127/85 T 0023/86 T 0172/87 T 0109/91
Citing cases: G 0003/14 T 0506/99 T 1188/00 T 0515/04 T 0762/04 T 1162/07 T 0879/08 T 0976/08 T 0056/21

ORDER

For these reasons, it is decided that:

1. The decision under appeal is set aside.

2. European patent No. 0 078 632 is revoked.