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:
Apr. 10, 1984
Filed:
Dec. 15, 1982
Applicant:
Inventors:
Eugene G Sommerfeld, Mt. Laurel, NJ (US);
Andrew P Stamegna, Claymont, DE (US);
Assignee:
E. I. Du Pont de Nemours & Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525440 ; 525443 ; 525444 ; 528272 ; 528296 ;
Abstract
Polyester copolymers prepared by a non-equilibrium, two-stage process conducted without external catalysts have relatively high polydispersity and low viscosity, permitting the preparation of high solids paints.
Sommerfeld, Eugene. (1984). Staged copolymerization of polyesters (U.S. Patent No. 4442269). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4442269
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile