US3789029A
Expired / Lapsed
US
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Plastic bone composition and method of making same
Assignee: Research Corp
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Filing: 1971-10-04
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Granted: 1974-01-29
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Expires: 1991-10-04
Abstract
Abstract A PLASTIC BONE COMPOSITION AND METHOD OF MAKING SAME, SAID COMPOSITION COMPRISING AS ITS BASIC INGREDIENTS A MIXTURE OF AN ACRYLIC POLYMER, A FOAMING AGENT, NTRIBUTYL PHOSPHATE, AND GRATED ANORGANIC BONE. THE MIXTURE IS USABLE FOR DENTAL IMPLANTS, AS WELL AS FOR IMPLANTS IN OTHER PARTS OF THE BODY, AND AS A COATING FOR METALS WHICH MAY BE IMPLANTED IN THE HUMAN BODY FOR DENTAL PURPOSES, ORTHOPEDIC PHOSTHESIS, NEUROSURGERY, ETC.
Inventors
- 👤 M Hodosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:55
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/40; A61L27/44; A61L27/46; A61C; A61C13/00; A61C8/00; A61C8/0018; A61C8/0028; A61K; A61K6/00; A61K6/60; A61K6/69; A61K6/80; A61K6/831; A61K6/838; A61K6/884; A61K6/887; A61L27/50; A61L27/56; C; C08; C08K; C08K13/00; C08K13/02
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |