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:
Aug. 25, 2015
Filed:
Jun. 20, 2012
Applicant:
Charles David Musick, Waverly, TN (US);
Inventor:
Charles David Musick, Waverly, TN (US);
Assignee:
THE CHEMOURS COMPANY TT, LLC, Harrisburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 5/00 (2006.01); C09D 5/14 (2006.01); C09C 1/36 (2006.01); C09C 3/06 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3661 (2013.01); C09C 1/3653 (2013.01); C09C 3/06 (2013.01); C09C 3/063 (2013.01); C01P 2004/62 (2013.01); C01P 2004/82 (2013.01);
Abstract
The disclosure provides a treated inorganic particle, in particular a titanium dioxide particle, having reduced photoactivity, lower acid solubility and improved anti-microbial properties comprising: an inorganic core particle, in particular a titanium dioxide particle; a first treatment of silica, wherein the silica is added in a single step; and a second treatment comprising co-precipitated zinc oxide and alumina. These particles have reduced photoactivity, lower acid solubility and improved anti-microbial properties.