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:
May. 26, 2015
Filed:
Nov. 21, 2011
Applicants:
Tomohiro Iwano, Hitachi, JP;
Hisataka Minami, Hitachi, JP;
Hirotaka Akimoto, Hitachinaka, JP;
Inventors:
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 3/00 (2006.01); B24D 11/00 (2006.01); C09K 3/14 (2006.01); C09G 1/02 (2006.01); H01L 21/3105 (2006.01); C09K 13/00 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); C09K 3/1463 (2013.01); H01L 21/31053 (2013.01); C09K 13/00 (2013.01); C09K 3/1409 (2013.01);
Abstract
In the production method for abrasive grains according to the invention, an aqueous solution of a salt of a tetravalent metal element is mixed with an alkali solution, under conditions such that a prescribed parameter is 5.00 or greater, to obtain abrasive grains including a hydroxide of the tetravalent metal element.
Iwano, Tomohiro. (2015). Method for producing abrasive grains, method for producing slurry, and method for producing polishing liquid (U.S. Patent No. 9039796). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9039796
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile