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:
Mar. 17, 2015
Filed:
Sep. 29, 2011
Applicants:
Shu-tung LI, Wychoff, NJ (US);
Hui-chen Chen, Wayne, NJ (US);
Debbie Yuen, Woodcliff Lake, NJ (US);
Inventors:
Assignee:
Collagen Matrix, Inc., Oakland, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 35/32 (2006.01); C01B 25/16 (2006.01);
U.S. Cl.
CPC ...
C01B 25/16 (2013.01);
Abstract
A method for preparing carbonate apatite from natural bones. The method includes obtaining cancellous bone particles; treating the bone particles with hot water and an organic solvent; repeating the treating step at least once; drying the bone particles; and heating the bone particles at 500° C. to 620° C. for 10 to 50 hours.