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. 15, 2014
Filed:
Nov. 05, 2010
Applicants:
Sachin Borkar, Wilmington, DE (US);
Marc C. Putnam, Newark, DE (US);
Inventors:
Sachin Borkar, Wilmington, DE (US);
Marc C. Putnam, Newark, DE (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 3/00 (2006.01); C08L 3/02 (2006.01); D21H 21/10 (2006.01); D21H 17/28 (2006.01); D21H 21/00 (2006.01); D21H 21/18 (2006.01); C08L 33/26 (2006.01);
U.S. Cl.
CPC ...
D21H 21/00 (2013.01); D21H 21/18 (2013.01); C08L 33/26 (2013.01);
Abstract
Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch. Method of using the coating composition to improve the dry strength of paper is also disclosed.
Borkar, Sachin. (2014). Surface application of polymers and polymer mixtures to improve paper strength (U.S. Patent No. 8696869). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8696869
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile