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:
Sep. 16, 2025
Filed:
Dec. 14, 2022
Applicant:
Kanto Denka Kogyo Co., Ltd., Tokyo, JP;
Inventors:
Kazuto Yoshinari, Shibukawa, JP;
Yuki Goto, Shibukawa, JP;
Yukinari Oguma, Tokyo, JP;
Hidehiko Iinuma, Tokyo, JP;
Assignee:
KANTO DENKA KOGYO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 125/10 (2006.01); C09C 3/12 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 125/10 (2013.01); C09C 3/12 (2013.01); C10M 169/04 (2013.01); C10M 2201/14 (2013.01); C10M 2203/003 (2013.01);
Abstract
An additive for lubricants containing, a ZrOparticle coated with a silane coupling agent, and a dispersion medium for the ZrOparticle, wherein a BET specific surface area of the ZrOparticle coated with the silane coupling agent obtained by removing the dispersion medium is 40% or more of a BET specific surface area of the ZrOparticle before coating with the silane coupling agent.