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Richard L. Frentzel
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Guilford, CT, US
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last 30 patents
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Patent Grant
Preparation of ionomers and polyurethane elastomers from carboxylic...
Patent number
4,590,255
Issue date
May 20, 1986
Olin Corporation
James M. O'Connor
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of carboxylic acid-containing monoether and polyether p...
Patent number
4,521,615
Issue date
Jun 4, 1985
Olin Corporation
Richard L. Frentzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of carboxylic acid-containing polyurethane prepolymers...
Patent number
4,460,738
Issue date
Jul 17, 1984
Olin Corporation
Richard L. Frentzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...