US Patent 7871561 Artificial bone and method for producing the same

Patent 7871561 was granted and assigned to Japan Science and Technology Agency on January, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Japan Science and Technology Agency

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7871561

Date of Patent

January 18, 2011

Patent Application Number

11887398

Date Filed

March 22, 2006

Patent Primary Examiner

‌

Ling Xu

Patent abstract

An artificial bone which is excellent in the ability to form bone in a living body, reliably thereof, and has high mechanical strength. The process comprises the steps of: mixing granules, composed of a titanium or a titanium alloy powder and an organic binder, with a particulate pore-forming material, pressure-molding the mixture to obtain a molded body, firing the molded body at 1200° C. to obtain a porous body, bringing the porous body into contact with an aqueous alkali solution, subsequently with water of 35° C. or higher for a period longer than that of contacting with the aqueous alkali solution and then heating the porous body at 100 to 650° C., preferably 200 to 600° C.