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:
Jul. 09, 2024
Filed:
Mar. 29, 2022
Applicant:
Fujimi Incorporated, Aichi, JP;
Inventors:
Anthony Y. Kim, Tualatin, OR (US);
Shogo Onishi, Tigard, OR (US);
Assignee:
FUJIMI INCORPORATED, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09G 1/02 (2006.01); C08K 9/04 (2006.01); H01L 21/306 (2006.01);
U.S. Cl.
CPC ...
C08K 9/04 (2013.01); C09G 1/02 (2013.01); H01L 21/30625 (2013.01);
Abstract
The present disclosure relates to surface modified silica, where the surface of the silica is modified by a quaternary ammonium-based polymer. Modification of the silica surface in this manner allows for production of silica particles with a high zeta potential and minimal change in particle size.