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US3066140A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing dialkyl (carbamoylmethyl) phosphonates

Assignee: Monsanto Chemical Co
•
Filing: 1956-05-24
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Granted: 1962-11-27
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Expires: 1976-05-24
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Abstract

No abstract record available.

Inventors

  • 👤 Angelo J Speziale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 15:18
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C10M2223/00; C10M2223/06; C10M2223/065

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 8 words
THE METHOD OF PREPARING PHOSPHATES OF THE FORMULA,
Claim 2
Independent Claim 8 words
THE METHOD OF PREPARING PHOSPHATES OF THE FORMULA,
Claim 3
Independent Claim 8 words
THE METHOD OF PREPARING PHOSPHONATES OF THE FORMULA,
Claim 4
Independent Claim 8 words
THE METHOD OF PREPARING PHOSPHONATES OF THE FORMULA,

References Cited (Backward Citations)

CA508891A Cited
US2668800A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-11-26 1966-05-28 1966-11-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-11-26 1970-05-28 1970-11-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-11-26 1974-05-28 1974-11-27 $7700.00 Window Closed / Lapsed

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