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:
Jun. 06, 1978
Filed:
Apr. 07, 1977
Applicant:
Inventor:
Merle E Carr, Chillicothe, IL (US);
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21D / ;
U.S. Cl.
CPC ...
162175 ; 536 49 ;
Abstract
Novel amphoteric starch derivatives, xanthated starch amines, have been employed as wet-end paper additives for improving both wet and dry strength. They are easily repulpable, readily biodegradable, effective in a broad range of furnish pH's, and are competitive on a cost/performance basis with commercial systems.
Carr, Merle. (1978). Xanthated starch amine paper additives (U.S. Patent No. 4093510). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4093510
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile