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Ashoke K. Sengupta
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Mosinee, WI, US
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last 30 patents
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Patent Grant
Ammoxidized lignosulfonate cement dispersant
Patent number
6,238,475
Issue date
May 29, 2001
LignoTech USA, Inc.
Jerry D. Gargulak
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES