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:
Aug. 01, 2017
Filed:
Aug. 13, 2015
Applicant:
Solenis Technologies, L.p., Schaffhausen, CH;
Inventors:
Mark T Crisp, HS Leusden, NL;
Michael A Evans, Wilmington, DE (US);
Ashley H Lewis, Wilmington, DE (US);
Jeffrey Hubert Peltier, Kenneth Square, PA (US);
Bryan K Spraul, Wilmington, DE (US);
Richard J Riehle, Wilmington, DE (US);
Assignee:
SOLENIS TECHNOLOGIES, L.P., , CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/20 (2006.01); D21H 11/20 (2006.01); D21H 17/55 (2006.01); C08G 73/02 (2006.01); D21H 17/46 (2006.01); D21H 17/52 (2006.01); D21H 17/56 (2006.01); C08L 79/02 (2006.01);
U.S. Cl.
CPC ...
D21H 21/20 (2013.01); C08G 73/022 (2013.01); C08G 73/0286 (2013.01); C08L 79/02 (2013.01); D21H 11/20 (2013.01); D21H 17/46 (2013.01); D21H 17/52 (2013.01); D21H 17/55 (2013.01); D21H 17/56 (2013.01);
Abstract
Provided is a process for improving the performance of wet-strength resins, such as polyaminopolyamide-epichlorohydrin resins, by treatment with a base to increase molecular weight to provide improved wet strength.