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:
Jun. 16, 1981
Filed:
Feb. 29, 1980
Applicant:
Inventors:
Gerard Soula, Meyzieu, FR;
Jean-Louis Locatelli, Vienne, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 93 ; 26034815 ; 528111 ;
Abstract
The invention provides a novel process for the preparation of glycidyl polyethers of polyphenols. The process comprises reacting at least one alkali metal salt of a polyphenol with at least one 2,3-epoxy-1-haloalkane in an anhydrous and essentially aprotic medium, in the presence of a compound of the formula