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:
Jan. 06, 2009
Filed:
Oct. 15, 2004
Jane B. Wong Shing, Aurora, IL (US);
Alessandra Gerli, Leiden, NL;
Xavier S. Cardoso, Leiden, NL;
Angela P. Zagala, Naperville, IL (US);
Przem Pruszynski, Naperville, IL (US);
Cathy C. Doucette, Sugar Grove, IL (US);
Jane B. Wong Shing, Aurora, IL (US);
Alessandra Gerli, Leiden, NL;
Xavier S. Cardoso, Leiden, NL;
Angela P. Zagala, Naperville, IL (US);
Przem Pruszynski, Naperville, IL (US);
Cathy C. Doucette, Sugar Grove, IL (US);
Nalco Company, Naperville, IL (US);
Abstract
A method of preparing a modified diallyl-N,N-disubstituted ammonium halide polymer and use of the polymer in combination with one or more high molecular weight, water soluble cationic, anionic, nonionic, zwitterionic or amphoteric polymers for increasing retention and drainage in a papermaking furnish.