European Patent Office

T 0184/05 of 05.02.2008

European Case Law Identifier
ECLI:EP:BA:2008:T018405.20080205
Date of decision
5 February 2008
Case number
T 0184/05
Petition for review of
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Application number
98105741.7
IPC class
C30B 29/12
Language of proceedings
English
Distribution
Distributed to board chairmen (C)
OJ versions
No OJ links found
Other decisions for this case
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Abstracts for this decision
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Application title
Calcuim Fluoride crystal, optical article and production method
Applicant name
CANON KABUSHIKI KAISHA
Opponent name
Schott Lithotec AG
Board
3.2.07
Headnote

An impurity concentration value of a product obtained under specific process conditions cannot be taken in strict isolation from the examples unless it has been demonstrated that this value is not so closely associated via the applied process with specific (undisclosed) maximum values of all other impurities comprised in the product (see points 1.1.1 to 1.1.6 of the reasons)

Keywords
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Catchword
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Citing cases
T 1827/12

ORDER

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The case is remitted to the department of first instance with the order to maintain the patent with claims 1 and 2 of auxiliary request 6 filed at the oral proceedings, description and figures to be adapted.