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. 05, 2006
Filed:
Dec. 20, 2002
Applicants:
Graham Paul Dransfield, Stockton on Tees, GB;
Susan Cutter, Middlesbrough, GB;
Philip Laurence Lyth, Stockton on Tees, GB;
Inventors:
Graham Paul Dransfield, Stockton on Tees, GB;
Susan Cutter, Middlesbrough, GB;
Philip Laurence Lyth, Stockton on Tees, GB;
Assignee:
Imperial Chemical Industries plc, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 14/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A particulate metal oxide having a mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The metal oxide can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.