Patent US4628045A successfully refreshed from Google Patents.
US4628045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunotherapeutic antiallergic polypeptide agents which bind to basophil immunoglobin Fc receptors
Assignee: IMMUNETECH PHARMACEUTICALS A CORP OF CA
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Filing: 1986-02-03
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Granted: 1986-12-09
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Expires: 2006-02-03
Abstract
Abstract A peptide having the amino acid sequence Asp-Ser-Glu-Pro-Arg and capable of blocking immune complex binding to immunoglobulin Fc receptors is disclosed.
Inventors
- 👤 Gary S. Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:12
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/06; C07K16/065; A; A61; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
An active site peptide which blocks immune complex binding to immunoglobulin Fc receptors, said peptide having an amino acid sequence Asp-Ser-Glu-Pro-Arg.
Claim 2
Dependent Claim
21 words
An active site peptide which blocks immune complex binding to immunoglobulin Fc receptors, said peptide having an amino acid sequence Asp-Ser-Glu-Pro-Arg.
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) | 1989-12-08 | 1990-06-09 | 1990-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-08 | 1994-06-09 | 1994-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-08 | 1998-06-09 | 1998-12-09 | $7700.00 | Window Closed / Lapsed |