European Patent Office

T 1877/08 (Refrigerants/E.I. DU PONT DE NEMOURS AND COMPANY) of 23.02.2010

European Case Law Identifier
ECLI:EP:BA:2010:T187708.20100223
Date of decision
23 February 2010
Case number
T 1877/08
Petition for review of
-
Application number
93111181.9
IPC class
C09K 5/04
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
Near-azeotropic blends for use as refrigerants
Applicant name
E.I. DU PONT DE NEMOURS AND COMPANY
Opponent name
ELF ATOCHEM S.A.
Imperial Chemical Industries PLC
STAR REFRIGERATION LIMITED
SOLVAY SOLEXIS S.p.A.
RHONE-POULENC CHIMIE
Board
3.3.10
Headnote
-
Keywords
Transfer of opposition (no); Appeal admissible (yes)
Priority (no): overlapping ranges of numerical values - no basis in priority document
Inventive step (no) - purported improvement not shown - arbitrary selection within the ambit of closest prior art
Catchword
-

ORDER

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.