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US2654773A Expired / Lapsed US ⏱️ 0.0 years remaining

Tri-esters of hydroxy alkyl thio succinic acids

Assignee: Monsanto Chemicals Ltd
•
Filing: 1949-07-22
•
Granted: 1953-10-06
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Expires: 1969-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Richard O Zerbe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:47
CPC Classifications
C; C07; C07C; C07C323/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE
Claim 2
Dependent Claim 11 words
AS A NEW COMPOSITION OF MATTER A COMPOUND OF THE STRUCTURE

References Cited (Backward Citations)

GB403882A Cited
US2345006A Cited
US2477327A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-10-05 1957-04-06 1957-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-10-05 1961-04-06 1961-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-10-05 1965-04-06 1965-10-06 $7700.00 Window Closed / Lapsed

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