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. 15, 2009
Filed:
May. 25, 2005
Applicants:
Cornel Hagiopol, Lilburn, GA (US);
Yuping Luo, Duluth, GA (US);
David F. Townsend, Grayson, GA (US);
Clay E. Ringold, Decatur, GA (US);
Karla D. Favors, Atlanta, GA (US);
Inventors:
Cornel Hagiopol, Lilburn, GA (US);
Yuping Luo, Duluth, GA (US);
David F. Townsend, Grayson, GA (US);
Clay E. Ringold, Decatur, GA (US);
Karla D. Favors, Atlanta, GA (US);
Assignee:
Georgia-Pacific Chemicals LLC, Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for making storage-stable glyoxalated inter-copolymers with higher and adjustable charge density suitable for use as a strengthening agent for paper. The glyoxalated inter-copolymers can be used to enhance the strength of paper, particularly recycled paper and mechanical printing paper.