Fusion product

Details Fusion product Fusion product

1985-07-15

1987-01-06

Nielsen, Earl

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528104, C08G 5902, C08G 5968

Patent

active

046347577

ABSTRACT:
A process for reacting an acidic compound or anhydride with an epoxy-containing compound is disclosed. In a preferred embodiment this process comprises reacting a polyepoxide having more than one vic-epoxy group with a phenol in the presence of a methylene bis(triphenylphosphonium)halide catalyst.

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patent: 3948855 (1976-04-01), Perry
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patent: 4048141 (1977-09-01), Doorakian et al.
patent: 4132706 (1979-01-01), Doorakian et al.
patent: 4320222 (1982-03-01), Lopez
patent: 4352918 (1982-10-01), Whiteside et al.
patent: 4438254 (1984-03-01), Doorakian

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