Patent US4689220A successfully refreshed from Google Patents.
US4689220A
Expired / Lapsed
US
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Immunization by immunogenic implant
Assignee: MICROCAP FUND Inc A CORP OF
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Filing: 1984-02-16
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Granted: 1987-08-25
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Expires: 2004-02-16
Abstract
Abstract Induction of immune response is achieved by implantation of an antigen-impregnated substrate in the peritoneal cavity of a mammal. Immunogenic implants adapted to be implanted in mammals and the preparation thereof are also disclosed.
Inventors
- 👤 Amy M. Sturmer
- 👤 John L. Sternick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:31
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K9/0024; C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/585; C07K16/00; C07K16/18; C07K16/26; A61K39/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
A method for inducing the formation of antigen specific antibodies in a mammal which comprises the steps of implanting in the mammal a biologically-compatible nitrocellulose substrate having an antigen adsorbed thereon.
Claim 2
Independent Claim
31 words
A method for inducing the formation of antigen specific antibodies in a mammal which comprises the steps of implanting in the mammal a biologically-compatible nitrocellulose substrate having an antigen adsorbed thereon.
Claim 3
Dependent Claim
18 words
A method according to claim 1 wherein said nitrocellulose is implanted into the peritoneal cavity of the mammal.
Claim 4
Dependent Claim
13 words
A method according to claim 1, in which the antigen is human calcitonin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-24 | 1991-02-23 | 1991-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-24 | 1995-02-23 | 1995-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-24 | 1999-02-23 | 1999-08-25 | $7700.00 | Window Closed / Lapsed |