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. 27, 1981
Filed:
Feb. 29, 1980
Applicant:
Inventors:
Frank J Williams, III, Scotia, NY (US);
Howard M Relles, Rexford, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528170 ;
Abstract
Polyetherimides are provided which are based on the self-condensation in a dipolar aprotic solvent of a hydroxyaryl phthalimide salt having a nuclear bound leaving radical on the phthalimide ring. The polyetherimides are injection-moldable high performance thermoplastics.
Quick Actions:
Williams, III, Frank. (1981). Polyetherimides prepared by self-condensation of hydroxyaryl phthalimide (U.S. Patent No. 4297474). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4297474
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile