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:
Oct. 06, 2015
Filed:
Jun. 24, 2009
Hitoshi Morinaga, Kiyosu, JP;
Shinji Furuta, Kiyosu, JP;
Kazusei Tamai, Kiyosu, JP;
FUJIMI INCORPORATED, Kiyosu-shi, JP;
Abstract
A filtration method, that includes: (A) filtering a liquid having particles with a resin media filter; and (B) applying ultrasonic waves at a frequency of at least 30 kHz to the resin media filter during the filtering (A) or after completion of the filtering (A) to regenerate the resin media filter, where: i) a material of the resin media filter is nylon, polycarbonate, polytetrafluoroethylene (PTFE), polysulfone, polyether sulfone, and/or cellulose, ii) for the regeneration of the resin media filter, the applying results in a filter regeneration ratio of at least 0.40; iii) on a surface of the resin media filter, a support material comprising a mesh resin layer is disposed; and iv) the resin media filter is present in a filter housing having a three-dimensional shape and an ultrasonic vibrator, which generates the ultrasonic waves, is present on a lateral side of said filter housing.