European Patent Office

T 0450/95 (Overbased phenate lubricating oil/EXXON) of 18.07.2000

European Case Law Identifier
ECLI:EP:BA:2000:T045095.20000718
Date of decision
18 July 2000
Case number
T 0450/95
Petition for review of
-
Application number
87310461.6
IPC class
C10M 159/22
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
Sulphurised alkaline earth metal hydrocarbyl phenates, their production and use thereof
Applicant name
LUBRIZOL ADIBIS HOLDINGS (UK) LIMITED
Opponent name
Exxon Chemical Patents Inc.
Board
3.3.01
Headnote
-
Keywords
Main request and first auxiliary request: inventive step (no) - problem not solved for all embodiments within the scope of the claimed subject-matter
Second auxiliary request: inventive step (yes) - non obvious solution
Catchword
-
Citing cases
T 0601/05

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 in the following version:

Description: pages 2, 3, 8, 9, 11 to 22 as granted,

pages 4 to 7, 10, 23 as submitted during the oral proceedings .

Claims: No. 1 to 24 submitted during the oral proceedings as second auxiliary request.