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. 05, 1992
Filed:
Jul. 30, 1990
Applicant:
Inventor:
James M Fukuyama, Clifton Park, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08G / ; C08G / ;
U.S. Cl.
CPC ...
528125 ; 528126 ; 528128 ; 528174 ; 528190 ; 528195 ; 528219 ; 528220 ;
Abstract
A composition and method of making macrocyclic aryl ether ketones useful in the preparation of high molecular weight resins. Macrocyclic aryl ether ketone compositions having structural units of the formula ##STR1## wherein n is an integer from about 2 to about 20, are prepared by contacting a dihalo compound of the formula ##STR2## wherein X is a halogen with a compound of the formula
Fukuyama, James. (1992). Preparation and polymerization of cyclic aromatic ketones (U.S. Patent No. 5110893). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5110893
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile