T 0552/98 () of 7.11.2000

European Case Law Identifier: ECLI:EP:BA:2000:T055298.20001107
Date of decision: 07 November 2000
Case number: T 0552/98
Application number: 90630150.2
IPC class: C08G 63/88
Language of proceedings: EN
Distribution: C
Download and more information:
Decision text in EN (PDF, 31.535K)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Process for crystallization of polyethylene naphthalate
Opponent name: E. I. Du Pont De Nemours and Company
Hoechst Trevira GMBH & Co KG Patente und Lizenzen
Board: 3.3.03
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 84
European Patent Convention 1973 Art 123(2)
European Patent Convention 1973 Art 123(3)
Keywords: Claims - formulation - clarity (no)
Amendments - added subject-matter (yes) - broadening of claim (yes) - opposition proceedings


Cited decisions:
T 0430/89
T 0097/94
T 0438/98
Citing decisions:

4 references found.

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