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. 15, 1984
Filed:
Apr. 15, 1983
Applicant:
Inventors:
Kou-Chang Liu, Wayne, NJ (US);
Michael J Brown, Randolph, NJ (US);
Assignee:
GAF Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 21 ; 2604 / ;
Abstract
This invention relates to a process for the preparation of hydroxy alkyl phenoxy benzoates in a purified state involving the reaction of ethylene or propylene carbonate and a phenoxy benzoic acid having the formula ##STR1## wherein X is O or S; G is selected from the group of nitro, halo, cyano or a hydrogen atom; L, M and N are independently selected from the group of halo, trihaloalkyl, lower alkyl, lower alkoxy and nitro or a hydrogen atom at a temperature within the range of from 90.degree. C. to 125.degree. C.