Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phosphorus-containing reactant
Reexamination Certificate
2005-06-07
2005-06-07
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phosphorus-containing reactant
C528S399000, C528S425000, C528S373000, C502S162000
Reexamination Certificate
active
06903182
ABSTRACT:
Novel reactions used to prepare phosphole and bisphosphole compounds are detailed. Novel phosphole compounds and metal coordination compounds of phosphole and bisphosphole compounds are also provided. These metal coordination compounds are useful as catalysts for the polymerization or olefins with carbon monoxide and for the polymerization of acrylic monomers.
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Fagan Paul J.
Guan Zhibin
Li George Yanwu
Wang Lin
E. I. du Pont de Nemours and Company
Truong Duc
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