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US3801677A Expired / Lapsed US ⏱️ 0.0 years remaining

Bicyclic esters of phosphorus acid

Assignee: Borg Warner Corp
•
Filing: 1972-05-08
•
Granted: 1974-04-02
•
Expires: 1992-05-08
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Abstract

Abstract A BICYCLIC ESTER OF PHOSPHORUS ACID HAVING THE FORMULA 2,6,7-TRIOXA-1-PHOSPHABICYCLO(2.2.2)OCT-4-YL-CH2-O-(CH2- C(-CH2-OH)2-CH2-O)N-H WHEREIN N IS 1 OR 2.

Inventors

  • 👤 C Baranauckas
  • 👤 I Gordon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 20:33
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65748; C07F9/657163; C07F9/657181; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/527

Claims Analysis

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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) 1977-04-01 1977-10-01 1978-04-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-01 1981-10-01 1982-04-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-01 1985-10-01 1986-04-02 $7700.00 Window Closed / Lapsed

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