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:
Mar. 14, 2017
Filed:
Feb. 03, 2016
Applicant:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Inventor:
Yuiko Yoshida, Tokyo, JP;
Assignee:
ASAHI GLASS COMPANY, LIMITED, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); H01L 21/3105 (2006.01); H01L 21/306 (2006.01); C09K 13/00 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); H01L 21/31053 (2013.01); C09K 3/1463 (2013.01); C09K 13/00 (2013.01); H01L 21/30625 (2013.01);
Abstract
The present invention relates to a polishing agent including: cerium oxide particles; a water-soluble organic polymer having at least one selected from a carboxylic acid group and a salt of carboxylic acid; a water-soluble polyamide having at least one selected from a tertiary amino group and an oxyalkylene chain in a molecule thereof; and water, in which the polishing agent has a pH of 7 or less.