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. 09, 2021
Filed:
Mar. 15, 2018
Kyushu University, National University Corporation, Fukuoka, JP;
Kunio Ishikawa, Fukuoka, JP;
Kanji Tsuru, Fukuoka, JP;
Akira Tsuchiya, Fukuoka, JP;
Yuki Sugiura, Fukuoka, JP;
Noriko Tanaka, Fukuoka, JP;
Yasuharu Nakashima, Fukuoka, JP;
KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Fukuoka, JP;
Abstract
To provide a method for producing a calcium carbonate block for medical use which is useful as a bone substitute or a bone substitute raw material needed in medical care, which is a method for producing a calcium carbonate block that satisfies the following desired properties: 1) the calcium carbonate block has excellent mechanical strength; 2) the calcium carbonate block can be produced by a simplified production method; 3) the calcium carbonate block contains no impurity; and 4) the calcium carbonate block has high reactivity. A method for producing a calcium carbonate block, comprising a step of shaping a water-containing calcium hydroxide block and a carbonation step of immersing the calcium hydroxide block in a carbonate ion-containing aqueous solution.