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US3732205A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of making powdered cellulose laurate

Assignee: Anheuser Busch Companies LLC
•
Filing: 1971-01-15
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Granted: 1973-05-08
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Expires: 1991-01-15
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Abstract

Abstract POWDERED CELLULOSE LAURATE IS PREPARED BY REACTING CELLULOSE WITH A REAGENT CONTAINING THE LAUROYL GROUPING TO PRODUCE CELLULOSE LAURATE, DISSOLVING THE CELLULOSE LAURATE IN CHLOROFORM, ADDING METHAOL SLOWLY UNTIL THE SOLUTION BECOMES CLOUDY, THEN ADDING ASUBSTANTIALLY GREATER AMOUNT OF METHANOL RAPIDLY, AND RECOVERING A POWDERED CELLULOSE LAURATE.

Inventors

  • 👤 J Teng
  • 👤 C Rha
  • 👤 B Scallet
  • 👤 M Stubits

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:49
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02; C08; C08B; C08B3/00; C08B3/08; C08B3/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-07 1976-11-06 1977-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-07 1980-11-06 1981-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-07 1984-11-06 1985-05-08 $7700.00 Window Closed / Lapsed

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