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James H. Ewen Jr.
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Seabrook, TX, US
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last 30 patents
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Patent Grant
Polymethylene polyphenylamine modified diamine chain extenders in p...
Patent number
4,667,009
Issue date
May 19, 1987
The Dow Chemical Company
James H. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurea-polyurethane from a mixture of a polyol, an aromatic diami...
Patent number
4,374,210
Issue date
Feb 15, 1983
The Upjohn Company
James H. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Elastomeric polyurethane-polyurea polymer prepared from an organic...
Patent number
4,296,212
Issue date
Oct 20, 1981
The Upjohn Company
James H. Ewen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-modulus polyisocyanurate elastomers
Patent number
4,126,741
Issue date
Nov 21, 1978
The Upjohn Company
Peter S. Carleton
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High-modulus polyisocyanurate elastomers
Patent number
4,126,742
Issue date
Nov 21, 1978
The Upjohn Company
Peter S. Carleton
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Storage-stable liquid polyisocyanate composition
Patent number
4,055,548
Issue date
Oct 25, 1977
The Upjohn Company
Peter S. Carleton
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...