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US3842067A Expired / Lapsed US ⏱️ 0.0 years remaining

Synthesis of(des-asn5)-srif and intermediates

Assignee: Wyeth LLC
•
Filing: 1973-07-27
•
Granted: 1974-10-15
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Expires: 1993-07-27
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Abstract

Abstract AND THE NON-TOXIC ACID ADDITION SALTS THEREOF, SAID AMINO ACID RESIDUES HAVING AN ASYMMETRIC A-CARBON ATOM BEING OF THE L-FORM. H-ALA-GLY-CYS-LYS-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH H-ALA-GLY-CYS-LYS-PHE-PHE-TRP-LYS-THR-PHE-THR-SER-CYS-OH, 1. A COMPOUND SELECTED FROM THOSE OF THE FORMULA:

Inventors

  • 👤 D Sarantakis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:24
CPC Classifications
C; C07; C07K; C07K14/00; C07K14/435; C07K14/575; C07K14/655; C07K5/00; C07K5/04; C07K5/06; C07K5/06008; C07K5/06017; C07K5/0606; C07K5/10; C07K5/1002; C07K5/1005; A; A61; A61K; A61K38/00; Y; Y10; Y10S; Y10S930/00; Y10S930/01; Y10S930/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 8 words
A COMPOUND SELECTED FROM THOSE OF THE FORMULA:
Claim 2
Dependent Claim 8 words
A COMPOUND SELECTED FROM THOSE OF THE FORMULA:

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-14 1978-04-15 1978-10-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-14 1982-04-15 1982-10-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-14 1986-04-15 1986-10-15 $7700.00 Window Closed / Lapsed

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