European Patent Office

T 0068/93 (Phosphorodithioates/LUBRIZOL) of 24.01.1995

European Case Law Identifier
ECLI:EP:BA:1995:T006893.19950124
Date of decision
24 January 1995
Case number
T 0068/93
Petition for review of
-
Application number
84901874.2
IPC class
C07F 9/165
Language of proceedings
English
Distribution
Distributed to board chairmen (C)
OJ versions
No OJ links found
Other decisions for this case
-
Abstracts for this decision
-
Application title
Phosphorus-containing metal salt/olefin compositions and reaction products of same with active sulfur
Applicant name
The Lubrizol Corporation
Opponent name
Exxon Chemical Patents Inc.
Board
3.3.01
Headnote
-
Keywords
Novelty (yes)
Ex post facto analysis of a citation (not allowable)
Inventive step (yes) - no hint that a measure known in a different field of technology would solve a particular techical problem
Comparative tests - irrelevant if not expertly carried out
Amendments - technical contribution of added feature
Novelty - burden of proof
Inventive step - neighboring field
Catchword
-
Citing cases
-

ORDER

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The case is remitted to the first instance with the order to maintain the patent with the following documents:

Claims 1 to 17 (main request),

description pages 2 to 17,

both as submitted during oral proceedings.