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. 20, 2022
Filed:
Jun. 08, 2018
Applicant:
Sakai Chemical Industry Co., Ltd., Sakai, JP;
Inventors:
Assignee:
Sakai Chemical Industry Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); A61K 8/27 (2006.01); A61Q 17/04 (2006.01); C01G 9/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/27 (2013.01); A61Q 17/04 (2013.01); C01G 9/02 (2013.01); C01P 2002/54 (2013.01); C01P 2002/72 (2013.01); C01P 2004/01 (2013.01); C01P 2004/24 (2013.01); C01P 2004/54 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/60 (2013.01);
Abstract
The present invention provides zinc oxide having excellent infrared blocking ability, high whiteness, and excellent texture during use. The present invention relates to trivalent metal-doped hexagonal plate-shaped zinc oxide having an aspect ratio of 2.5 or greater, the trivalent metal-doped hexagonal plate-shaped zinc oxide having a trivalent metal element content based on the zinc element of 0.15 to 5 mol %, a whiteness of 90 or higher, and a powder spectral reflectance at a wavelength of 1500 nm of 80% or less.