T 0426/97 (Water-purification/CIBA) of 14.12.1999

European Case Law Identifier: ECLI:EP:BA:1999:T042697.19991214
Date of decision: 14 December 1999
Case number: T 0426/97
Application number: 91911284.7
IPC class: C02F 1/54
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 767 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Purification of aqueous liquor
Applicant name: Ciba Specialty Chemicals Water Treatments Limited
Opponent name: S.N.F.
Board: 3.3.05
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 114(2)
Keywords: Inventive step - yes (auxiliary request)
Late-filed document - accepted
Catchwords:

-

Cited decisions:
T 0552/89
T 0745/92
T 1002/92
T 0039/93
T 0459/94
T 0113/96
Citing decisions:
T 0577/97
T 0385/99
T 0875/06
T 0841/08

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t970426eu1.html

Date retrieved: 17 May 2021

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