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Title: Oxidative coupling of phenolic monomers by the programmed addition of complexed manganese catalysts

Abstract: A novel method for the preparation of polyphenylene oxides is disclosed. The method comprises the oxidative coupling of a phenolic monomer.


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Inventors: Olander, Walter K. (Mt. Vernon, IN, US)

Application Number: 823103
Filing Date: 1977-08-08
Publication_date: 1978-12-19
Assignee: General Electric (Pittsfield, MA)
Primary Class(es): 528/215 528/212
Other Classes:
US Patent Ref:
3306874Feb, 1967Hay260/47.
3962180Jun, 1976Yonemitsu et al.260/47.

Other Refs:
Primary Examiner: Lee, Lester L.
Assistant Examiner:
Attorney: Morgan, Finnegan, Pine, Foley & Lee