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US4466913A Expired / Lapsed US ⏱️ 0.0 years remaining

Phosphorus-containing compounds and process for producing the same

Assignee: Maiji Seika Kaisha Ltd
•
Filing: 1982-06-14
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Granted: 1984-08-21
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Expires: 2002-06-14
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Abstract

Abstract 2-Amino-4-(hydroxy)phosphinoylbutyryl-L-alanyl-L-alanine.

Inventors

  • 👤 Takashi Tsuruoka
  • 👤 Satoshi Imai
  • 👤 Atsuyuki Satoh
  • 👤 Tetsuro Watanabe
  • 👤 Koji Watanabe
  • 👤 Shigeharu Inouye
  • 👤 Taro Niida

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 00:54
CPC Classifications
C; C07; C07K; C07K5/00; C07K5/04; C07K5/08; C07K5/0827; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/48; C07F9/4808; C07F9/4816; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12P; C12P13/00; C12P13/04; C12R; C12R2001/00; C12R2001/01; C12R2001/465; C12R2001/55

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 1 words
2-amino-4-(hydroxy)phosphinoylbutyryl-L-alanyl-L-alanine.
Claim 2
Dependent Claim 1 words
2-amino-4-(hydroxy)phosphinoylbutyryl-L-alanyl-L-alanine.

References Cited (Backward Citations)

US4213969A Cited
GB2011416A Cited
US4226610A Cited
EP0068497A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-08-21 1988-02-20 1988-08-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-08-21 1992-02-20 1992-08-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-08-21 1996-02-20 1996-08-21 $7700.00 Window Closed / Lapsed

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