T 0394/97 (Pulp bleaching/KVAERNER) of 27.06.2001
- European Case Law Identifier
- ECLI:EP:BA:2001:T039497.20010627
- Date of decision
- 27 June 2001
- Case number
- T 0394/97
- Online on
- 28 August 2001
- Petition for review of
- -
- Application number
- 91903930.5
- IPC class
- D21C 9/10
- Language of proceedings
- English
- Distribution
- Distributed to board chairmen (C)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- Process for bleaching of ligno-cellulosic material
- Applicant name
- Eka Chemicals AB
- Opponent name
- (i) KVAERNER PULPING TECHNOLOGIES AB
(II) Degussa AG - Board
- 3.3.06
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56 1973
- Keywords
- Inventive step - no (diverging effects - prior art contains a guidance for combining various features in order to compensate for unavoidable brightness loss)
- Catchword
- -
- Cited cases
- -
- Citing cases
- -
ORDER
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The patent is revoked.