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. 02, 2013
Filed:
Mar. 06, 2008
Applicants:
Erik Shepard Thiele, Genolier, CH;
John Davis Bolt, Mcewen, TN (US);
Scott Richard Mehr, Dickson, TN (US);
Inventors:
Erik Shepard Thiele, Genolier, CH;
John Davis Bolt, Mcewen, TN (US);
Scott Richard Mehr, Dickson, TN (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/00 (2006.01); B41M 3/10 (2006.01); B44C 5/04 (2006.01); G03G 7/00 (2006.01); B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for making a titanium dioxide pigment consisting of titanium dioxide and single layer of inorganic surface treatment consisting of aluminum phosphate wherein the pigment is characterized by and isoelectric point which is greater than pH 6 and a negative zeta potential of at a pH of 7.5 or more.