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:
Nov. 18, 2008
Filed:
May. 27, 2003
Applicants:
Michael Green, Huddersfield, GB;
David Normington, Leeds, GB;
Keith Graham, Huddersfield, GB;
Gerhard Merkle, Freiburg, DE;
Emmanuel Martin, Folgensbourg, FR;
Inventors:
Michael Green, Huddersfield, GB;
David Normington, Leeds, GB;
Keith Graham, Huddersfield, GB;
Gerhard Merkle, Freiburg, DE;
Emmanuel Martin, Folgensbourg, FR;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/37 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention relates to thickened aqueous formulations containing cross-linked cationic polymers, novel homo- and copolymers their production and their use as thickeners for household formulations.