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:
Oct. 27, 2015
Filed:
Jan. 25, 2012
Hirokazu Matsushita, Tokyo, JP;
Hirokazu Matsushita, Tokyo, JP;
Abstract
Ultraviolet-shielding composite particles of the invention are ultraviolet-shielding composite particles which include a resin containing an organic ultraviolet absorbent and metal oxide particles having an ultraviolet-shielding function, and have an average particle diameter of 0.05 μm or more and 5 μm or less, in which the metal oxide particles are particles which include one or two or more selected from the group consisting of zinc oxide, titanium oxide, cerium oxide and iron oxide and have an average particle diameter of 0.003 μm or more and 0.1 μm or less, a content of the organic ultraviolet absorbent in the ultraviolet-shielding composite particles is 0.1% by mass or more 80% by mass or less, a content of the metal oxide particles is 1% by mass or more 80% by mass or less, and the metal oxide particles are dispersed in the ultraviolet-shielding composite particles.