T 0038/84 (Oxidation of toluene) of 5.4.1984

European Case Law Identifier: ECLI:EP:BA:1984:T003884.19840405
Date of decision: 05 April 1984
Case number: T 0038/84
Application number: 81200269.9
IPC class: -
Language of proceedings: EN
Distribution: A
Download and more information:
Decision text in EN (PDF, 412 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: OJ | Published
Title of application: -
Applicant name: Stamicarbon
Opponent name: -
Board: 3.3.01
Headnote: The achievement of a numerically small improvement of a process commercially used on a large scale (here enhanced yield of 0.5%) represents a worthwile technical problem which must not be disregarded in assessing the inventive step of its solution as claimed.
Relevant legal provisions:
European Patent Convention 1973 Art 52(1)
European Patent Convention 1973 Art 56
Keywords: Importance of technical problem
Inventive step - improvement
Small improvement of commerically used process
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 0466/88
T 0332/90
T 0286/93
T 0268/03
T 1451/09

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t840038ex1.html

Date retrieved: 17 May 2021

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