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Gary T. Widerholt
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West St. Paul, MN, US
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Patent Grant
Organopolysiloxane-polyurea block copolymer release agents
Patent number
5,290,615
Issue date
Mar 1, 1994
Minnesota Mining and Manufacturing Company
Leonard A. Tushaus
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...