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. 14, 2010
Filed:
Jun. 12, 2008
John Nicholas Birmingham, Wilmington, DE (US);
Stephen Claude DE LA Veaux, Wilmington, DE (US);
Yunghsing Samson Hsu, Long Beach, MS (US);
Peter Jernakoff, Wilmington, DE (US);
Kevin Joseph Leary, Middletown, DE (US);
Charles David Musick, Waverly, TN (US);
Philipp M Niedenzu, Wilmington, DE (US);
Narayanan S Subramanian, Hockessin, DE (US);
John Nicholas Birmingham, Wilmington, DE (US);
Stephen Claude De La Veaux, Wilmington, DE (US);
Yunghsing Samson Hsu, Long Beach, MS (US);
Peter Jernakoff, Wilmington, DE (US);
Kevin Joseph Leary, Middletown, DE (US);
Charles David Musick, Waverly, TN (US);
Philipp M Niedenzu, Wilmington, DE (US);
Narayanan S Subramanian, Hockessin, DE (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
One aspect of the invention is to provide a composition comprising a titanium dioxide particle having on the surface of said particle a substantially encapsulating layer comprising a pyrogenically-deposited metal oxide; said substantially encapsulating layer having on its surface at least one organic surface treatment material selected from an organo-silane, an organo-siloxane, a fluoro-silane, an organo-phosphonate, an organo-acid phosphate, an organo-pyrophosphate, an organo-polyphosphate, an organo-metaphosphate, an organo-phosphinate, an organo-sulfonic compound, a hydrocarbon-based carboxylic acid, an associated ester of a hydrocarbon-based carboxylic acid, a derivative of a hydrocarbon-based carboxylic acid, a hydrocarbon-based amide, a low molecular weight hydrocarbon wax, a low molecular weight polyolefin, a co-polymer of a low molecular weight polyolefin, a hydrocarbon-based polyol, a derivative of a hydrocarbon-based polyol, an alkanolamine, a derivative of an alkanolamine, an organic dispersing agent, or a mixture thereof. Another aspect of the invention is to provide processes for producing said composition.