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US2666706A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyethylene glycol esters in fat

Assignee: EF Drew and Co Inc
•
Filing: 1949-11-16
•
Granted: 1954-01-19
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Expires: 1969-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Emery I Valko

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 17:33
CPC Classifications
A; A23; A23D; A23D9/00; A23D9/007; A23D9/013

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 34 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF AN EDIBLE FAT HAVING INCORPORATED THEREIN FROM 0.05% TO 5.0% OF A COMPOUND TAKEN FROM THE CLASS CONSISTING OF POLYETHYLENE GLYCOL ESTERS HAVING THE FOLLOWING GENERAL FORMULA:

References Cited (Backward Citations)

US2223558A Cited
US2306315A Cited
US2303432A Cited
US2469446A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-01-18 1957-07-20 1958-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-01-18 1961-07-20 1962-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-01-18 1965-07-20 1966-01-19 $7700.00 Window Closed / Lapsed

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