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:
Jun. 10, 2025
Filed:
May. 10, 2022
Applicant:
Colgate-palmolive Company, New York, NY (US);
Inventors:
Guisheng Pan, Philadelphia, PA (US);
Suman Chopra, Monroe, NJ (US);
Assignee:
Colgate-Palmolive Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/25 (2006.01); A61K 8/02 (2006.01); A61K 8/19 (2006.01); A61K 8/46 (2006.01); A61Q 11/00 (2006.01); C01B 33/18 (2006.01); C03C 15/00 (2006.01); C03C 17/22 (2006.01); C03C 17/23 (2006.01); C09C 1/30 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
A61K 8/25 (2013.01); A61K 8/022 (2013.01); A61K 8/0241 (2013.01); A61K 8/0245 (2013.01); A61K 8/0258 (2013.01); A61K 8/19 (2013.01); A61K 8/466 (2013.01); A61Q 11/00 (2013.01); C01B 33/18 (2013.01); C03C 15/00 (2013.01); C03C 17/22 (2013.01); C03C 17/23 (2013.01); C09C 1/3054 (2013.01); C09K 3/1436 (2013.01); C09K 3/1445 (2013.01); A61K 2800/28 (2013.01); A61K 2800/621 (2013.01); A61K 2800/651 (2013.01); A61K 2800/92 (2013.01); C01P 2004/61 (2013.01); C01P 2004/84 (2013.01);
Abstract
This invention provides core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core etched with group I metal silicate. These core shell silica particles have high surface charge density and anti-bacterial activity. Also provided are compositions comprising core shell silica particles, process of making the core shell silica particles and methods of reducing or inhibiting bacterial activity by administering the core shell silica particles or compositions thereof.