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. 12, 2022
Filed:
Sep. 20, 2018
Applicants:
Ebara Corporation, Tokyo, JP;
Industry-university Cooperation Foundation Hanyang University Erica Campus, Gyeonggi-do, KR;
Inventors:
Assignees:
EBARA CORPORATION, Tokyo, JP;
INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 3/08 (2006.01); A46B 17/06 (2006.01); A46D 1/045 (2006.01); A46D 9/04 (2006.01); B08B 3/12 (2006.01);
U.S. Cl.
CPC ...
A46B 17/06 (2013.01); A46D 1/045 (2013.01); A46D 9/04 (2013.01); B08B 3/08 (2013.01); B08B 3/12 (2013.01);
Abstract
A PVA brush cleaning method includes immersing a PVA brush in a cleaning solution containing an organic matter, thereby removing a siloxane compound in the PVA brush; and applying vibration to the PVA brush, thereby removing impurities in the PVA brush.