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:
Jun. 20, 2017
Filed:
Dec. 22, 2010
Applicants:
Ian Robert Tooley, Warrington, GB;
Robert Michael Sayer, Billinge, GB;
Paul Martin Staniland, Altrincham, GB;
Inventors:
Ian Robert Tooley, Warrington, GB;
Robert Michael Sayer, Billinge, GB;
Paul Martin Staniland, Altrincham, GB;
Assignee:
Croda International PLC, East Yorkshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01G 23/047 (2006.01); A61K 8/02 (2006.01); A61K 8/29 (2006.01); A61Q 17/04 (2006.01); B82Y 30/00 (2011.01); C01G 23/08 (2006.01); C01G 23/053 (2006.01);
U.S. Cl.
CPC ...
C01G 23/047 (2013.01); A61K 8/0241 (2013.01); A61K 8/29 (2013.01); A61Q 17/04 (2013.01); B82Y 30/00 (2013.01); C01G 23/0536 (2013.01); C01G 23/08 (2013.01); A61K 2800/412 (2013.01); C01P 2002/84 (2013.01); C01P 2004/54 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/11 (2013.01); C01P 2006/60 (2013.01); C01P 2006/62 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A particulate titanium dioxide has a median volume particle diameter of greater than 70 nm. The titanium dioxide can be produced by calcining precursor particles. The titanium dioxide has enhanced UVA efficacy. The particulate titanium dioxide can be used to form dispersions. The particulate titanium dioxide or dispersions can be used to produce sunscreen products having a UV protection which is at least one third of the label SPF value.