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John O. Guerrero
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LaPorte, 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-...