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:
Dec. 13, 2011
Filed:
Dec. 05, 2006
Applicants:
Dean Thetford, Norden, GB;
Neil L. Simpson, Oldham, GB;
Inventors:
Dean Thetford, Norden, GB;
Neil L. Simpson, Oldham, GB;
Assignee:
Lubrizol Limited, Hazelwood, Derby, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 77/00 (2006.01); C08L 79/00 (2006.01); C08L 79/02 (2006.01); D21H 17/55 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a dispersant and compositions thereof. The dispersant is a residue of a non-aromatic hydrocarbyl substituted carboxylic acid containing three or more acid groups (A), wherein the dispersant may be represented by the Formula and salts thereof: [U—(Y)-T-N(R)-A]-Z(Q)-W, wherein the variables are defined herein.