Patent · US Expired

Calcium phosphate cements comprising amorophous calcium phosphate

US5782971A · kind A · utility

116Cited by
8References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1997
Grant dateJul 21, 1998
Priority date
Expiry dateMar 19, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B2111/00836
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Calcium phosphate cements are provided. The subject cements comprise amorphous calcium phosphate, at least one additional calcium source, usually an additional calcium phosphate, and a liquid component, such as a physiologically acceptable lubricant. Upon combination of the cement components, a flowable composition capable of setting in vivo into a solid calcium phosphate mineral product, such as hydroxyapatite, is produced. The subject cement compositions find use in a variety of applications, including the treatment of injured or compromised hard tissue.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.