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:
Sep. 13, 1983
Filed:
Dec. 28, 1981
Applicant:
Inventors:
Gunter Bellmann, Commugny, CH;
Celeste Cervini, Carouge, CH;
Jean-Pierre Sachetto, Saint-Julien en Genevois, FR;
Assignee:
Battelle Memorial Institute, Carouge, CH;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
536 98 ; 536 64 ; 536 85 ;
Abstract
Cross-linked carboxymethylcellulose with intermolecular carbonate bridges.
Bellmann, Gunter. (1983). Carboxymethylcellulose with carbonate bridges and preparation thereof (U.S. Patent No. 4404371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4404371
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile