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Johan Devenyns
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last 30 patents
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Patent Grant
Multi-stage bleaching process having a final stabilized peroxide stage
Patent number
6,221,209
Issue date
Apr 24, 2001
Solvay Interox (Société Anonyme)
François Desprez
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for bleaching paper pulp
Patent number
6,123,809
Issue date
Sep 26, 2000
Solvay Interox (Societe Anony.)
Johan Devenyns
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for bleaching a pulp in a sequence including an enzyme stage
Patent number
5,645,686
Issue date
Jul 8, 1997
Solvay Interox (Societe Anonyme)
Nicholas A. Troughton
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
A process for delignifying pulp with organic peroxyacid in the pres...
Patent number
5,552,018
Issue date
Sep 3, 1996
Solvay Interox (Societe Anonyme)
Johan Devenyns
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE