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.

Date of Patent:
Mar. 11, 1997

Filed:

Nov. 09, 1994
Applicant:
Inventor:

Tadashi Kokubo, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
623 16 ; 606 76 ; 523113 ; 523115 ;
Abstract

A bone substitute, which provides both the fracture toughness of titanium or titanium alloys and the bioactivity of apatite, wherein titanium or titanium alloys and apatite are tightly adhered, is produced by soaking a substrate of titanium or titanium alloy in an alkaline solution to form a layer comprising amorphous alkali titanate, followed by the heating of the said substrate up to at most the titanium or titanium alloy transition temperature so as to form a stabilized amorphous alkali titanate layer and a sufficient concentration gradient of alkali and titanium ions to permit the growth of apatite thereon from solutions containing apatite-containing ions.


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Kokubo, Tadashi. (1997). Titanium-based bone-bonding composites having inverted concentration (U.S. Patent No. 5609633). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5609633

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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