Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2006-04-04
2006-04-04
Zucker, Paul A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
Reexamination Certificate
active
07022871
ABSTRACT:
Process for the synthesis of polyurethane derivatives from aromatic polyamine compounds. The method involves the reaction of an aromatic polyamine compound with CO and O2in the presence of a catalyst comprising a Group VIII or lanthanide metal on a solid support and a halogenide promoter.
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Chaudhari Raghunath Vitthal
Divekar Sunil Sadashiv
Ganapathy Subramanian
Gupte Sunil Purushottam
Kelkar Ashutosh Anant
Graham Nicole
Huntsman International LLC
Zucker Paul A.
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