The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 26, 1994
Filed:
Feb. 10, 1993
Applicant:
Inventors:
Toru Tsukahara, Yokkaichi, JP;
Mitsutoshi Aritomi, Yokkaichi, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
525397 ; 525390 ; 525393 ;
Abstract
Disclosed are processes for preparing a process for preparing a modified polyphenylene ether which comprises reacting any one of a borane compound having at least one boronhydrogen bond, an .alpha.,.beta.-unsaturated carbonyl compound or a mercaptane having a carbonyl group, a hydroxyl group or an alkoxysilyl group with a polyphenylene ether having a carbon-carbon unsaturated bond in a substituent, and optionally oxidizing the resulting borane-modified PPE under alkaline conditions.