Highly branched (co)polycarbonates having improved flowability

Details Highly branched (co)polycarbonates having improved flowability Highly branched (co)polycarbonates having improved flowability

2005-05-17

2005-05-17

Boykin, Terressa (Department: 1711)

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C264S176100, C264S219000, C528S198000

Reexamination Certificate

active

06894142

ABSTRACT:
A process of preparing a branched (co)polycarbonate resin is disclosed. The process entails using at least one compound conforming to formulae 1a or 1bin whichR1, R2and R3independently denote linear or branched C1-C10-alkyl, R4and R5independently denote hydrogen or linear or branched C1-C10-alkyl, p1and p2independently of one another denote a whole number between 3 and 10, as a branching agent.

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Patent Abstracts of Japan Bd. 1998, Nr. 14, Dec. 31, 1998 & JP 10 251395 A (Mitsubishi Gas Chem Co Inc), Sep. 22, 1998.

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