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. 30, 2003
Filed:
Jan. 31, 2001
Applicant:
Inventors:
Wesley L. Whipple, Naperville, IL (US);
Ananthasubramanian Sivakumar, Aurora, IL (US);
Jitendra Shah, Naperville, IL (US);
Assignee:
Ondeo Nalco Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C09K 7/02 ;
U.S. Cl.
CPC ...
C08F / ; C09K 7/02 ;
Abstract
A cationic latex terpolymer prepared by polymerizing from about 1 to about 99.1 mole percent of one or more cationic monomers, from about 0.9 to about 5 mole percent of one or more hydroxyalkyl (meth)acrylates and from 0 to about 98.1 mole percent of one or more nonionic monomers is useful for dewatering sludge.