Patent · US Expired

Biocompatible glass ceramics

US5034353A · kind A · utility

14Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 1989
Grant dateJul 23, 1991
Priority date
Expiry dateNov 30, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2310/00293
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A high-mechanical strength biocompatible crystallized glass essentially comprises both crystallines consisting of tetrasilicic fluorine mica series and calcium phosphate series. The crystallized glass has substantially non-sodium oxide and useful in a dental medical care, as repairing material of tooth.

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