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Date of decision
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15 November 2001
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Case number
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T 0427/99
- 3.3.1
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Application number
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85301298.7
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Title of the application
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Blocked isocyanates
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Applicant name
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BAXENDEN CHEMICALS LIMITED
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Opponent name
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RHONE-POULENC CHIMIE
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Keywords
Admissibility of appeal before time limit of Article 108 (yes)
Main request: amendments (not allowable) - numerical temperature
range disclosed originally with respect to temperature of
different nature as now claimed
First auxiliary request (not admitted) - late filed - clearly
not allowable
Second auxiliary request (admitted): late filed - limitation of
invention to particular granted claims - no fresh issue;
amendments (allowable) - shrinking of list; lack of clarity (not
admitted) - objected wording already in claims as granted;
sufficiency of disclosure (yes) - objected part of claimed
invention deleted - lack of evidence; - 2 - inventive step (yes)
- closest prior art as acknowledged in patent specification -
improper comparison - reformulation of problem - solution
unobvious
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