European Patent Office

T 0435/91 (Detergents) vom 09.03.1994

Europäischer Rechtsprechungsidentifikator
ECLI:EP:BA:1994:T043591.19940309
Datum der Entscheidung
9. März 1994
Aktenzeichen
T 0435/91
Antrag auf Überprüfung von
-
Anmeldenummer
85301297.9
IPC-Klasse
C11D 17/00
Verfahrenssprache
Englisch
Verteilung
Im Amtsblatt des EPA veröffentlicht (A)
Weitere Entscheidungen für diese Akte
-
Zusammenfassungen für diese Entscheidung
-
Bezeichnung der Anmeldung
Detergent compositions
Name des Antragstellers
Unilever N.V.
Name des Einsprechenden
Henkel
Kammer
3.3.01
Leitsatz

The disclosure of an invention relating to a composition of matter, a component of which is defined by its function (in the present case an additive which forces a detergent composition in the hexagonal liquid crystal phase), is not sufficient if the patent discloses only isolated examples, but fails to disclose, taking into account, if necessary, the relevant common general knowledge, any technical concept fit for generalisation, which would enable the skilled person to achieve the envisaged result without undue difficulty within the whole ambit of the claim containing the "functional" definition (point 2.2.1 of the Reasons).

Schlagwörter
Sufficiency of disclosure (main request and auxiliary requests 1 and 2, (no)
Inadmissible generalisation (auxiliary request 3)
Inventive step, unobvious alternative (auxiliary request 4)
Orientierungssatz
-
Zitierende Akten
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ORDER

For these reasons, it is decided that:

1. The decision under appeal is set aside.

2. The case is remitted to the Opposition Division with the order to maintain the patent on the basis of Claim 1 of auxiliary request 4, after adaptation of the remaining claims and after appropriate amendment of the description.