T 0093/89 (Polyvinyl ester dispersion) of 15.11.1990

European Case Law Identifier: ECLI:EP:BA:1990:T009389.19901115
Date of decision: 15 November 1990
Case number: T 0093/89
Application number: 83106782.2
IPC class: C08F 18/06
Language of proceedings: DE
Distribution:
Download and more information:
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Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: DE | EN | FR
Versions: OJ
Title of application: -
Applicant name: Hoechst
Opponent name: Henkel
Board: 3.3.03
Headnote: 1. If an alleged prior public use is not adequately substantiated, it is immaterial and, if not submitted in due time, may be disregarded under Article 114(2) EPC.
2. Prior public use is only adequately substantiated if specific details are given of what was made available to the public where, when, how and by whom.
3. If the composition of a commercially available product can be established only by a chemical analysis, the ingredients of the product have not been made available to the public unless there was reason for experts to investigate it.
Relevant legal provisions:
European Patent Convention 1973 Art 54
European Patent Convention 1973 Art 56
Keywords: Novelty (yes)
Prior public use not substantiated and not claimed in due time
Prior public use of a commercially available chemical
Commercially available product, grounds for chemical analysis
Inventive step (confirmed)
Catchwords:

-

Cited decisions:
-
Citing decisions:
G 0001/92
T 0595/89
T 0953/90
T 0221/91
T 0441/91
T 0083/92
T 0097/92
T 0952/92
T 1002/92
T 0169/93
T 0097/94
T 0301/94
T 0575/94
T 0003/95
T 0633/95
T 1069/96
T 0037/98
T 0176/98
T 0240/99
T 0526/99
T 0864/99
T 0947/99
T 0837/02
T 1134/06
T 2043/07

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