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:
Oct. 12, 1976
Filed:
Jun. 09, 1975
Applicant:
Inventors:
Francis Johnson, Long Island City, NY (US);
Renato Cricchio, Varese, IT;
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 260335 ; 2604 / ; 260571 ; 260575 ; 260591 ; 260592 ;
Abstract
Mono- and poly-phenols and derivatives thereof are ring acylated by a Friedel-Crafts acylation reaction in which the hydroxy groups are protected by prior silylation.
Johnson, Francis. (1976). Process for ring acylation of phenols (U.S. Patent No. 3985783). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3985783
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile