C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
402/359, 260/429
C07F 1/08 (2006.01) C08G 65/40 (2006.01) C08G 65/44 (2006.01)
Patent
CA 1233476
METHOD FOR PREPARING POLYPHENYLENE OXIDE WITH COPPER(I) COMPLEX CATALYSTS ABSTRACT OF THE DISCLOSURE Methods for preparing copper(I)-diamine-phenoxide complexes within solution, such as the polymerization medium of polyphenylene oxides, are described which utilize a copper-diamine-halide complex, an alkali metal hydroxide and a monohydroxy aromatic compound to generate effective catalysts without the scrupulous exclusion of moisture and air.
485696
Accuride Corporation
Bostrom Seating Inc.
Brillion Iron Works Inc.
Company General Electric
Eckersley Raymond A.
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