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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.:

US 9896604 B1

PDFFull Text
Date of Patent:
Feb. 20, 2018

Filed:

Mar. 12, 2014

Methods of polishing sapphire surfaces

Applicant:

Ecolab Usa Inc., Naperville, IL (US);

Inventors:

Kim Marie Long, Naperville, IL (US);

Michael A. Kamrath, Aurora, IL (US);

Sean McCue, Chicago, IL (US);

Assignee:

ECOLAB USA INC., Naperville, IL (US);

Attorneys:

Eric D. Babych

Brinks Gilson & Lione

Primary Examiner:

Stephanie Duclair

Int. Cl.
CPC ...
H01L 21/302 (2006.01); H01L 21/461 (2006.01); H01L 21/311 (2006.01); B44C 1/22 (2006.01); C03C 15/00 (2006.01); C03C 25/68 (2006.01); C09G 1/02 (2006.01); H01L 21/3105 (2006.01); H01L 21/02 (2006.01); H01L 21/768 (2006.01); C09G 1/04 (2006.01); B24B 37/04 (2012.01); B24B 7/22 (2006.01); B81C 1/00 (2006.01);
U.S. Cl.
CPC ...
C09G 1/02 (2013.01); B24B 7/228 (2013.01); B24B 37/044 (2013.01); C09G 1/04 (2013.01); H01L 21/02065 (2013.01); H01L 21/31051 (2013.01); H01L 21/31055 (2013.01); H01L 21/7684 (2013.01); B81C 1/00611 (2013.01); B81C 2201/0118 (2013.01);
Abstract

Described herein are compositions, kits and methods for polishing sapphire surfaces using compositions having colloidal aluminosilicate particles in an aqueous acidic solution. In some aspects, the methods for polishing a sapphire surface may include abrading a sapphire surface with a rotating polishing pad and a polishing composition. The polishing composition may include an amount of a colloidal aluminosilicate and may have a pH of about 2.0 to about 7.0.

Find Patent Forward Citations

Long, Kim. (2018). Methods of polishing sapphire surfaces (U.S. Patent No. 9896604). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9896604

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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