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:
Jun. 10, 2014
Filed:
Nov. 12, 2009
Hideyuki Kawazu, Tokyo, JP;
Hideyuki Kawazu, Tokyo, JP;
Catalymedic Inc., Funabashi-Shi, Chiba, CN;
Abstract
The purpose of the present invention is to provide calcium phosphate porous material with small amount of the remaining polycyclic aromatic hydrocarbons that are toxic substances. The present invention relates to a method for the production of calcium phosphate porous material of β-tricalcium phosphate comprising calcining micronized β-tricalcium phosphate wherein a temperature in a furnace is retained at a temperature in a range of 250-550° C. for a certain period of time, or wherein a temperature-rising rate in the furnace while in said range is decreased to one thirds or less of that during ranges before or after said range in said calcining step.