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:
Nov. 21, 2023
Filed:
Mar. 11, 2022
Hoya Technosurgical Corporation, Tokyo, JP;
Shintaro Kobayashi, Tokyo, JP;
HOYA TECHNOSURGICAL CORPORATION, Tokyo, JP;
Abstract
[Problems] To provide a column-use adsorbent having an excellent balance of adsorption capacity and durability, and an adsorption apparatus. [Means to solve problems] A column-use adsorbent made of powder of a porous particle group of hydroxyapatite or fluoroapatite formed by replacing at least part of a hydroxyl group of hydroxyapatite with fluorine atom, the porous particle group being a group of a plurality of porous particles having different particle sizes, the porous particle group meeting the condition of D×45/100≤D≤D×75/100, in which D(μm) is an average particle size, and D(μm) is a particle size at which a cumulative volume of the porous particles from the small size side based on a particle size distribution is 10%.