T 0534/04 (Method for producing polycarboxylic acid for cement dispersant/NIPPON SHOKUBAI) of 22.07.2008
- European Case Law Identifier
- ECLI:EP:BA:2008:T053404.20080722
- Date of decision
- 22 July 2008
- Case number
- T 0534/04
- Online on
- 9 September 2008
- Petition for review of
- -
- Application number
- 97122407.6
- IPC class
- C04B 24/26
- 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
- Cement dispersant, method for producing polycarboxylic acid for cement dispersant and cement composition
- Applicant name
- NIPPON SHOKUBAI CO., LTD.
- Opponent name
- BASF SE
- Board
- 3.3.05
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 123(2)
- Keywords
- Amendments containing subject-matter extending beyond the content of the application as filed (yes) - combination as originally disclosed cannot be dismantled (see reasons 1.4)
- 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.