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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
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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 21:49
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)

US4161522A Cited
US4171299A Cited
US4392997A Cited

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

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