US Patent 7244784 Aqueous nanoparticle dispersions

Patent 7244784 was granted and assigned to Rohm and Haas on July, 2007 by the United States Patent and Trademark Office.

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Patent Inventor Names

David Richard Amick1

Dennis Paul Lorah1

James Watson Neely1

Robert Howard Gore1

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Patent 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.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=072447841

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