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US3708558A Expired / Lapsed US ⏱️ 0.0 years remaining

Monochlorine ester of 3-octadecyloxy-propanol-(1)-phosphoric acid

Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1971-02-23
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Granted: 1973-01-02
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Expires: 1991-02-23
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Abstract

Abstract THE MONOCHOLINE ESTER OF 3-OCTADECYLOXY-PR-PANOL-(1)PHOSPHORIC ACID OF THE FORMULA H37C18-O-CH2-CH2-CH2-O-P(-O(-))(=O)-O-CH2-CH2-N+(-CH3)3 WHICH IS USEFUL AS AN IMMUNOLOGIC ADJUVANT.

Inventors

  • 👤 G Kny
  • 👤 O Westphal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 05:02
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/39; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; A61K2039/555; A61K2039/55511

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-02 1976-07-03 1977-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-02 1980-07-03 1981-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-02 1984-07-03 1985-01-02 $7700.00 Window Closed / Lapsed

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