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. 29, 2024
Filed:
Feb. 28, 2019
Applicant:
Nitta Dupont Incorporated, Osaka, JP;
Inventor:
Kazuki Moriyama, Kyoto, JP;
Assignee:
NITTA DUPONT INCORPORATED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); C01F 7/02 (2022.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); C01F 7/02 (2013.01);
Abstract
A polishing composition is for polishing a resin, and includes alumina abrasive grains, a dispersant, and water. A ratio between a primary average particle size of alumina particles in the alumina abrasive grains and an average particle size of the alumina particles measured by dynamic light scattering is 1:6.0 to 1:100.