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. 21, 2024
Filed:
May. 18, 2021
Applicant:
Murata Manufacturing Co., Ltd., Nagaokakyo, JP;
Inventors:
Assignee:
MURATA MANUFACTURING CO., LTD., Nagaokakyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/20 (2006.01); C12M 1/00 (2006.01); C12M 1/26 (2006.01); C23F 1/44 (2006.01); C25D 1/08 (2006.01); C25D 3/56 (2006.01); C25D 5/02 (2006.01); C25D 5/48 (2006.01);
U.S. Cl.
CPC ...
B01D 39/2027 (2013.01); C12M 29/04 (2013.01); C12M 33/14 (2013.01); C12M 47/02 (2013.01); C12M 47/12 (2013.01); B01D 2239/10 (2013.01); C23F 1/44 (2013.01); C25D 1/08 (2013.01); C25D 3/567 (2013.01); C25D 5/022 (2013.01); C25D 5/48 (2013.01);
Abstract
A filtration filter according to the present invention includes a surface layer composed mainly of Pd, a base material inside the surface layer and composed mainly of a PdNi alloy, and an intermediate layer between the surface layer and the base material, wherein the intermediate layer is composed mainly of a PdNi alloy in which a Pd:Ni ratio changes from a surface layer side toward a base material side.