Patent US3279996A successfully refreshed from Google Patents.
US3279996A
Expired / Lapsed
US
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Polysiloxane carrier for controlled release of drugs and other agents
Assignee: Individual
•
Filing: 1962-08-28
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Granted: 1966-10-18
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Expires: 1982-08-28
Abstract
No abstract record available.
Inventors
- 👤 Jr David M Long
- 👤 Folkman Moses Judah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:52
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2022; A61K9/2031; A61K9/2036; A61M; A61M31/00; A61M31/002; C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/18; C08G77/20; C08G77/22; C08G77/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN ILMPLANTATE FOR RELEASING A DRUG IN THE TISSUES OF A LIVING ORGANISM COMPRISING A DRUG ENCLOSED IN A CAPSULE FORMED OF SILICONE RUBBER, SAID DILICONE RUBBER MAKING LIMITED AREA CONTACT WITH SAID DRUG, SAID DRUG BEING SOLUBLE IN AND CAPABLE OF DIFFUSING THROUGH SAID SILICONE RUBBER TO THE OUTER SURFACE OF SAID CAPSULE AT A CONSTANT RATE.
Claim 2
Dependent Claim
58 words
AN ILMPLANTATE FOR RELEASING A DRUG IN THE TISSUES OF A LIVING ORGANISM COMPRISING A DRUG ENCLOSED IN A CAPSULE FORMED OF SILICONE RUBBER, SAID DILICONE RUBBER MAKING LIMITED AREA CONTACT WITH SAID DRUG, SAID DRUG BEING SOLUBLE IN AND CAPABLE OF DIFFUSING THROUGH SAID SILICONE RUBBER TO THE OUTER SURFACE OF SAID CAPSULE AT A CONSTANT RATE.
References Cited (Backward Citations)
US2512192A
Cited
US2504482A
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US2855933A
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US2846057A
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US2895475A
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US2951011A
Cited
US2987445A
Cited
US3105613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |