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. 23, 1989
Filed:
Aug. 27, 1987
Applicant:
Inventors:
George V De Lucca, Wilmington, DE (US);
Hollis S Kezar, III, Wilmington, DE (US);
John P O'Brien, Oxford, PA (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ; C08G / ;
U.S. Cl.
CPC ...
536 20 ; 527305 ; 264 83 ; 264186 ;
Abstract
High tenacity chitin acetate/formate and chitosan acetate/formate fibers and the process for making such fibers are disclosed.
De Lucca, George. (1989). High strength fibers from chitin derivatives (U.S. Patent No. 4833238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4833238
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile