T 0015/93 (Thickening of pulp/BLACK CLAWSON) of 7.11.1995

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European Case Law Identifier:

ECLI:EP:BA:1995:T001593.19951107

Date of decision:

07 November 1995

Case number:

T 0015/93

Application number:

87305847.3

IPC class:

D21C 9/18

Language of proceedings:

Distribution:

Download and more information:

Decision text in EN (PDF, 795Â KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in:	EN
Versions:	Unpublished

Title of application:

Apparatus and method for thickening pulp and paper stock

Applicant name:

THE BLACK CLAWSON COMPANY

Opponent name:

SULZER-ESCHER WYSS GmbH

Board:

3.3.01

Headnote:

Relevant legal provisions:

European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 111(1)

Keywords:

Inventive step (yes - after amendment) - non-obvious modification of a known apparatus
Remittal to the first instance - description remains to be adapted to present claims

Catchwords:

Cited decisions:

T 0127/85
T 0550/88

Citing decisions:

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t930015eu1.html

Date retrieved: 17 May 2021