T 0254/86 (Yellow dyes) du 05.11.1987
- Identifiant européen de la jurisprudence
- ECLI:EP:BA:1987:T025486.19871105
- Date de la décision
- 5 novembre 1987
- Numéro de l'affaire
- T 0254/86
- Requête en révision de
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- Numéro de la demande
- 80103005.7
- Classe de la CIB
- C09B 62/085
- Langue de la procédure
- Anglais
- Distribution
- Publiées au Journal officiel de l'OEB (A)
- Téléchargement
- Décision en anglais
- Autres décisions pour cet affaire
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- Résumés pour cette décision
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- Titre de la demande
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- Nom du demandeur
- Sumitomo
- Nom de l'opposant
- -
- Chambre
- 3.3.02
- Sommaire
An invention which relies on a substantial and surprising improvement of a particular property need not also show advantages over the prior art with regard to other properties relevant to its use, provided the latter are maintained at a reasonable level so that the improvement is not completely offset by disadvantages in other respects to an unacceptable degree or in a manner which contradicts the disclosure of the invention fundamentally (following T 57/84, "Tolylfluanid", 12.8.86, to be reported and T 155/85, "Passivation of Catalyst", 28.7.87, to be reported).
- Dispositions juridiques pertinentes
- European Patent Convention Art 56 1973European Patent Convention R 27(1)(d) 1973
- Mots-clés
- Inventive step (affirmed)
Technical problem - Combination of effects
Comparison with closest state of the art
Improvement - no improvement in every respect required - Exergue
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- Affaires citées
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ORDER
For these reasons, it is decided that:
1. The decision of the Opposition Division is set aside.
2.The patent is maintained on the basis of Claims 1 to 8 and adapted description as filed on 6 October 1986.