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:
May. 26, 1981
Filed:
Jan. 04, 1980
Applicant:
Inventor:
Jean-Louis Locatelli, Vienne, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
525507 ; 528 40 ; 528 93 ; 528 95 ; 26034815 ;
Abstract
Glycidyl polyarylethers are prepared by reacting at least one alkali metal salt of a polyhydric phenol with at least one 1-halo-2,3-epoxyalkane, in an anhydrous and aprotic heterogeneous reaction medium which includes acetonitrile, propionitrile, benzonitrile and/or ethylene sulfide.
Locatelli, Jean-Louis. (1981). Preparation of glycidyl polyarylethers (U.S. Patent No. 4269952). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4269952
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile