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Espoo, FI
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last 30 patents
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Patent Grant
Method of affecting the sulphur content and/or sulphur compound com...
Patent number
5,518,582
Issue date
May 21, 1996
A. Ahlstrom Corporation
Kaj Henricson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Patent Grant
Treatment of bleach plant filtrations using a magnesium filter
Patent number
5,360,514
Issue date
Nov 1, 1994
Kamyr, Inc.
Kaj Henricson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of treating material containing sodium sulphate and/or sodiu...
Patent number
5,328,563
Issue date
Jul 12, 1994
A. Ahlstrom Corporation
Kaj Henricson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE