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Date of decision
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05 November 2003
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Case number
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T 0540/01
- 3.3.1
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Application number
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93402815.0
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Title of the application
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Process for the preparation of 1,3-butylene glycol
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Applicant name
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Daicel Chemical Industries, Ltd.
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Opponent name
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Celanese International Corporation
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Keywords
Documents late filed (no) - filed with grounds of appeal
Amendments (allowable)
Inventive step (yes) - closest prior art as acknowledged in the
patent specification - fair comparison - technical effect not
addressed in prior art
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