Ahlstrom Paper Group Research and Competence Center

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Patents Grantslast 30 patents

Information Patent Grant
Accelerated mulching paper degradation process and mulching paper f...
- Patent number 6,578,315
- Issue date Jun 17, 2003
- Ahlstrom Paper Group Research & Competence Center
- Joseph Dussaud
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for purifying gaseous effluents by means of photocatalysis,...
- Patent number 6,503,447
- Issue date Jan 7, 2003
- Ahlstrom Paper Group Research and Competence Center
- Pierre Mondjian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Production of reactive material containing webs
- Patent number 6,440,266
- Issue date Aug 27, 2002
- Ahlstrom Paper Group Research and Competence Center
- Jonathan George
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL