U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Composite material for use in orthopaedics

Patent 5017627 Issued on May 21, 1991. Estimated Expiration Date: Icon_subject May 21, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Human body implant of graphitic carbon fiber reinforced ultra-high molecular weight polyethylene
Patent #: 4055862
Issued on: 11/01/1977
Inventor: Farling

Filled thermoplastic resin compositions
Patent #: 4104289
Issued on: 08/01/1978
Inventor: Jones

Bioactive composite material process of producing and method of using same
Patent #: 4131597
Issued on: 12/26/1978
Inventor: Bluethgen ,   et al.

Artificial tooth with implantable tooth root
Patent #: 4178686
Issued on: 12/18/1979
Inventor: Riess ,   et al.

Bone replacement or prosthesis anchoring material
Patent #: 4192021
Issued on: 03/11/1980
Inventor: Deibig ,   et al.

Anchorage for highly stressed endoprostheses
Patent #: 4202055
Issued on: 05/13/1980
Inventor: Reiner ,   et al.

Hydroxyapatite, ceramic material and process for preparing thereof Patent #: 4548959
Issued on: 10/22/1985
Inventor: Nagai ,   et al.

Inventors

Assignee

Application

No. 191738 filed on 05/02/1988

US Classes:

523/115, Composition suitable for use as tooth or bone replacement, restorative, or implant524/414, Phosphorus atom DNRM524/417, Phosphorus atom directly bonded to four oxygen atoms, e.g., phosphoric acid, etc.524/586, Inorganic NRM additive623/23.61Bone composition

Examiners

Primary: Michl, Paul R.
Assistant: McDonald, Thomas Jr.

Attorney, Agent or Firm

Foreign Patent References

  • 0011528 EP. 05/13/1980
  • 1234986 DE 02/13/1967
  • 1044028 GB. 09/13/1966
  • 1073804 GB. 06/13/1967
  • 1115925 GB. 06/13/1968
  • 1172629 GB. 12/13/1969
  • 1362912 GB. 08/13/1974
  • 1409508 GB. 10/13/1975
  • 1470124 GB. 04/13/1977
  • 1540624 GB. 02/13/1979
  • 1562952 GB. 03/13/1980
  • 2031450 GB. 04/13/1980

International Classes

A61F 002/00
C08K 003/32
C08L 023/00

Foreign Application Priority Data

1980-10-09 GB

Abstract

A composite of a homo- or co-polyolefin having an average molecular weight greater than 100,000 with from 30 to 50% by volume of a particulate inorganic solid for use in endoprosthesis.

Other References

  • Prostheses and Tissue: The Interface Problem; National Institute of Dental Research-Office of Naval Research 5th Annual Biomaterials Symp. 4/1973
  • Chemical Abstracts vol. 76:154949x (1972)
  • Chemical Abstracts vol. 84:35296n (1976)
  • Prosthetics, "Materials for the Replacement of Osteoarthritic Hip Joints", by W. Bonfield, pp. 712-716
  • Shell Polymers 9, 3(1985), "Composites for Bone Replacement", W. Bonfield, Department of Materials, Queen Mary College, London
  • Plastics and Rubber Processing and Applications vol. 4, No. 3, 1984, "The Influence of Compounding Route on the Mechanical Properties of Highly Loaded Particulate Filled Polyethylene Composites", pp. 261-269
  • Elsevier Science Publishers B. V., Amsterdam, 1986, "In Vivo Evaluation of Hydroxyapatite Reinforced Polyethylene Composites", pp. 153-15
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