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:
Feb. 26, 2019
Filed:
Mar. 31, 2015
Applicant:
Toyobo Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Yoshiyuki Kitagawa, Otsu, JP;
Toshikatsu Enjoji, Otsu, JP;
Assignee:
TOYOBO CO., LTD., Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2006.01); B03C 3/28 (2006.01); H01G 7/02 (2006.01); B01D 46/00 (2006.01); D06M 15/256 (2006.01); D06M 101/20 (2006.01); D06M 101/18 (2006.01);
U.S. Cl.
CPC ...
B01D 39/1623 (2013.01); B01D 46/0032 (2013.01); B03C 3/28 (2013.01); D06M 15/256 (2013.01); H01G 7/02 (2013.01); B01D 2239/0435 (2013.01); B01D 2239/0478 (2013.01); D06M 2101/18 (2013.01); D06M 2101/20 (2013.01); D06M 2200/11 (2013.01);
Abstract
[Problems] An object of the present invention is to provide an electret with an initial increased electrostatic charge quantity and suppressed attenuation of electrostatic charge to liquid particles. [Means for solving] The electret is obtained by depositing polytetrafluoroethylene having a melting point of 35° C. or higher and 320° C. or lower on a carrier and imparting an electrostatic charge to at least one of the carrier and the polytetrafluoroethylene.
Kitagawa, Yoshiyuki. (2019). Electret (U.S. Patent No. 10213716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10213716
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile