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:
Aug. 13, 2019
Filed:
Feb. 28, 2017
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Yvonne Marie Killeen, South St. Paul, MN (US);
Amanda Ruth Blattner, Prior Lake, MN (US);
Assignee:
Ecolab USA Inc., Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/14 (2006.01); B24B 37/04 (2012.01); C09G 1/02 (2006.01); B24B 37/24 (2012.01);
U.S. Cl.
CPC ...
B24B 37/24 (2013.01); B24B 37/044 (2013.01); C09G 1/02 (2013.01); C09K 3/1463 (2013.01);
Abstract
A method, kit, and composition for polishing a sapphire surface are described here. The invention involves a sapphire surface polishing composition comprising colloidal silica particles and an extended or gemini surfactant that can reduce the contact angles of the polishing composition on both polishing pads and sapphire surfaces.