Patent · US Expired

Delayed drug delivery system

US5904718A · kind A · utility

91Cited by
33References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 9, 1997
Grant dateMay 18, 1999
Priority date
Expiry dateJun 9, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/02
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A process and product comprising collagen and demineralized bone particles. The product may contain a maximum of 20% by weight inorganic materials. The product may densified by compression. Additional osteogenic factors, mitogens, drugs or antibiotics may be incorporated therein. Inorganic materials may be bound to the organic matrix via precoating with a calcium or hydroxyapatite binding protein, peptide or amino acid. The materials also display long lasting drug release characteristics.

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