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:
May. 02, 1989
Filed:
Mar. 11, 1988
Applicant:
Inventors:
Tokuya Miyagi, Osaka, JP;
Akihisa Inoue, Hirakata, JP;
Taisuke Ootsubo, Neyagawa, JP;
Shoichi Fujimori, Sakai, JP;
Assignee:
Kurashiki Boseki Kabushiki Kaisha, Okayama, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
55487 ; 55488 ; 55492 ; 55501 ;
Abstract
The present invention relates to a filter element suitable for the purification of gas, in which spaces are constituted with porous spacer between plural membrane filters. Particles or dusts captured in the filter element of the present invention are prevented from rescattering under the impulsive pressure at the initiation or termination of the filtration, so that the high precision of the filtration can be achieved.
Miyagi, Tokuya. (1989). Multilayer filter element (U.S. Patent No. 4826519). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4826519
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