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. 07, 2013
Filed:
Jun. 13, 2008
Applicants:
Chen LU, Memphis, TN (US);
James Andrew Ward, Eads, TN (US);
Inventors:
Chen Lu, Memphis, TN (US);
James Andrew Ward, Eads, TN (US);
Assignee:
Buckman Laboratories International, Inc., Memphis, TN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/50 (2006.01); D21H 23/04 (2006.01); C08F 220/56 (2006.01); C08G 69/48 (2006.01);
U.S. Cl.
CPC ...
Abstract
Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives for papermaking, providing paper with good dry and temporary wet strength, and increasing papermaking de-watering rates.