European Patent Office

T 0426/98 (Well servicing fluid/BP CHEMICALS) of 30.11.2004

European Case Law Identifier
ECLI:EP:BA:2004:T042698.20041130
Date of decision
30 November 2004
Case number
T 0426/98
Petition for review of
-
Application number
93302920.9
IPC class
C09K 7/02
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
Aqueous brines
Applicant name
BP Chemicals Limited
Opponent name
OSCA, INC.
Board
3.3.01
Headnote
-
Keywords
Amendments - disclaimer - added subject-matter (no)
Novelty (main request, no)
Novelty (first auxiliary request, yes)
Inventive step (yes) - non-obvious alternative
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 Claims 1 to 5, filed as first auxiliary request dated 7 April 2003 and a description to be adapted thereto.