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. 25, 2007
Filed:
Jun. 13, 2003
Applicants:
Antony Keith Vandyk, Blue Bell, PA (US);
Dennis Paul Lorah, Lansdale, PA (US);
Inventors:
Antony Keith VanDyk, Blue Bell, PA (US);
Dennis Paul Lorah, Lansdale, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D 3/37 (2006.01);
U.S. Cl.
CPC ...
Abstract
Colorants, dispersants, and dispersions are provided which include PNPs having a mean diameter in the range of from 1 to 50 nanometers, an acid value in the range of from 0 to 700 mg KOH/g PNP solids, an amine value in the range of from 0 to 250, a hydroxyl number in the range of from 0 to 250 mg KOH/g PNP solids, and containing at least 2 wt % of a polarizable group. Also provided are methods for preparing colorants, dispersants, and dispersions, which include PNPs.