T 0323/24 (EVONIK / MEMBRANE GAS SEPARATION) of 11.11.2025
- European Case Law Identifier
- ECLI:EP:BA:2025:T032324.20251111
- Date of decision
- 11 November 2025
- Case number
- T 0323/24
- Online on
- 19 January 2026
- Petition for review of
- -
- Application number
- 15817339.3
- IPC class
- B01D 53/22
- Language of proceedings
- English
- Distribution
- No distribution (D)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- PROCESS FOR SEPARATION OF GASES WITH REDUCED MAINTENANCE COSTS
- Applicant name
- Evonik Operations GmbH
- Opponent name
- Air Products and Chemicals, Inc.
- Board
- 3.3.02
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56European Patent Convention Art 100(a)European Patent Convention Art 100(b)
- Keywords
- Grounds for opposition - sufficiency of disclosure (yes)
Grounds for opposition - inventive step (yes) - 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 maintained as granted.