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Markku Niemi
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Espoo, FI
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last 30 patents
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Patent Grant
Process of selective desulfonation
Patent number
5,741,954
Issue date
Apr 21, 1998
Kemira Agro Oy
Elias Suokas
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for preparing 4-alkyl-2-hydroxy-3,5-dichlorobenzene sulphoni...
Patent number
5,684,183
Issue date
Nov 4, 1997
Ari Lokio
C07 - ORGANIC CHEMISTRY