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. 29, 1976
Filed:
Jul. 19, 1974
Applicant:
Inventors:
Ronald George Feasey, Knebworth, EN;
John Brewster Rose, Letchworth, EN;
Assignee:
Imperial Chemical Industries Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
260949 ; 260946 ; 260968 ;
Abstract
Phenol precursors are provided having the formula (Q'ZQO).sub.m Y in which Q is a bivalent aromatic radical, Q' is a univalent aromatic radical or the moiety of a bivalent aromatic radical, Z is --SO.sub.2 --, --SO--, --CO-- or --CH.sub.2 --, Y is --CO-- or --POCl.sub.2 and m is an integer having the value 1 when Y is --POCl.sub.2 and the value 2 when Y is --CO--.
Feasey, Ronald. (1976). Phenol precursors (U.S. Patent No. 3966851). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3966851
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile