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:
Jul. 17, 2007
Filed:
Jun. 02, 2003
David Richard Amick, Doylestown, PA (US);
Robert Howard Gore, Southampton, PA (US);
Dennis Paul Lorah, Lansdale, PA (US);
James Watson Neely, Dresher, PA (US);
David Richard Amick, Doylestown, PA (US);
Robert Howard Gore, Southampton, PA (US);
Dennis Paul Lorah, Lansdale, PA (US);
James Watson Neely, Dresher, PA (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
New aqueous PNP dispersions are disclosed. A method of preparing an aqueous PNP dispersion from solvent-based PNPs having a diameter in the range of from 1 to 50 nanometers is disclosed. An associative thickener composition based on PNPs having an average of at least two phobes extending from the surface of said PNPs is also disclosed. The aqueous PNP dispersions are useful in aqueous-based industrial and consumer products, such as latex paint.