European Patent Office

T 0059/87 (Friction reducing additives/MOBIL IV) of 14.08.1990

European Case Law Identifier
ECLI:EP:BA:1990:T005987.19900814
Date of decision
14 August 1990
Case number
T 0059/87
Petition for review of
-
Application number
81300717.6
IPC class
C10M 1/54
Language of proceedings
English
Distribution
Published in the EPO's Official Journal (A)
Abstracts for this decision
-
Application title
Friction reduction additives and compositions thereof
Applicant name
Mobil Oil Corporation
Opponent name
Chevron
Board
3.3.01
Headnote

Whether a previously undisclosed technical effect which in fact inevitably occurs when a previously disclosed technical teaching in a written description is carried out has been made available to the public by reason of the teaching in the written description is a question of fact which has to be decided in the context of each individual case (consequential upon Decision G 2/88 of 11 December 1989 "Friction reducing additive/MOBIL OIL III", OJ EPO 1990, 93).

Keywords
Novelty of a second non-medical use with same technical means of execution
Compounds disclosed for use as rust inhibitors in oil compositions
No disclosures of the use of such compounds as friction reducing additives for oil compositions
Claimed invention not made available to the public
Catchword
-
Cited cases
-

ORDER

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The case is remitted to the Opposition Division with the order to maintain the patent on the basis of Claims 1 to 3 filed on 3 August 1990 and a description to be brought into agreement with the amended claims.