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Sr. Paul N. Chen
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Gillette, NJ, US
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last 30 patents
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Patent Grant
Novel polybenzimidazolone polymers based hexafluoro aromatic tetraa...
Patent number
5,075,419
Issue date
Dec 24, 1991
Hoechst Celanese Corp.
Rohitkumar H. Vora
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...