T 0706/95 (Reduction of nitrogen-based pollutants/FUELTECH) of 22.5.2000

European Case Law Identifier: ECLI:EP:BA:2000:T070695.20000522
Date of decision: 22 May 2000
Case number: T 0706/95
Application number: 86906556.5
IPC class: C01B 21/00
Language of proceedings: EN
Distribution: B
Download and more information:
Decision text in EN (PDF, 37 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents
Applicant name: FUEL TECH, INC.
Opponent name: Noell-KRC Umwelttechnik GmbH
Board: 3.3.05
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 123(2)
European Patent Convention 1973 Art 54(1)
European Patent Convention 1973 Art 56
Keywords: Main and first auxiliary requests - novelty (no) - new use (no) - additional effect of a known process or use
Second, fifth and sixth auxiliary requests - amendment not allowable
Third and fourth auxiliary requests - obvious modifications
Catchwords:

The discovery that the same known means lead to an additional effect when they are used for the same known purpose (i.e. known use) of reducing the concentration of nitrogen oxides in the same effluent cannot confer novelty to this known use (see point 2.5).

Cited decisions:
G 0002/88
Citing decisions:
T 0186/98
T 0800/98
T 1092/01
T 1085/02
T 1090/02
T 0816/05

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