European Patent Office

T 0199/92 (Ethylenediamine/UNION CARBIDE) of 11.01.1994

European Case Law Identifier
ECLI:EP:BA:1994:T019992.19940111
Date of decision
11 January 1994
Case number
T 0199/92
Petition for review of
-
Application number
82109001.6
IPC class
C07C 85/06
Language of proceedings
English
Distribution
Distributed to board chairmen and members (B)
OJ versions
No OJ links found
Other decisions for this case
-
Abstracts for this decision
-
Application title
Process for the manufacture of ethylenediamine
Applicant name
Union Carbide Corporation
Opponent name
BASF Aktiengesellschaft, Ludwigshafen
Berol Kemi AB
Board
3.3.01
Headnote
-
Keywords
Admissibility of Opposition (yes)
Notice of Opposition - meaning of 'indication' in Rule 55(c)
Notice of Opposition - not fatally defective for missing page
Parties to appeal - Party as of right
Inventive step (yes) - non-obvious combination of known features
Catchword
Inventive step of a two-step process, combination of process features - non-obvious in view of the technical problem
Cited cases
T 0289/91

ORDER

For these reasons, it is decided that:

1. The Respondent's request, not to admit Opponent II as a party as of right, is refused.

2. The Opposition Division's decision is set aside.

3. The case is remitted to the Opposition Division with the order to maintain the patent with the claims and amended description submitted in the course of oral proceedings.