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US3574641A Expired / Lapsed US ⏱️ 0.0 years remaining

High neutralized propylene glycol alginate in french dressing

Assignee: Kelco Co
•
Filing: 1968-03-29
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Granted: 1971-04-13
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Expires: 1988-03-29
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Abstract

Abstract A FRENCH DRESSING CONTAINING A PROPYLENE GLYCOL ALGINATE HAVING THE FOLLOWING CHARACTERISTICS: CALCIUM CONTENT AS CA0-LESS THAN ABOUT 0.7% BY WEIGHT VISCOSITY IN 2% AQUEOUS SOLUTION-100 TO 2000 C.P.S. NEUTRALIZATION AS SODIUM ALGINATE-45 TO 55% ESTERIFICATION-35-45% UNREACTED ACIDITY-THE BALANCE AND NOT LESS THAN ABOUT 3% PH IN 2% AQUEOUS SOLUTION-4.0 TO 5.0.

Inventors

  • 👤 John J O'connell
  • 👤 Darrell A Betz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:35
CPC Classifications
A; A23; A23L; A23L27/00; A23L27/60; A23L29/00; A23L29/20; A23L29/206; A23L29/256

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) 1974-04-12 1974-10-12 1975-04-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-12 1978-10-12 1979-04-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-12 1982-10-12 1983-04-13 $7700.00 Window Closed / Lapsed

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