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US3448101A Expired / Lapsed US ⏱️ 0.0 years remaining

Dry heat process for the preparation of cationic starch ethers

Assignee: Ogilvie Flour Mills Co Ltd
•
Filing: 1964-11-25
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Granted: 1969-06-03
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Expires: 1984-11-25
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Abstract

No abstract record available.

Inventors

  • 👤 Jean-Marc Billy
  • 👤 Judith Ann Seguin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 02:44
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/08; C08B31/12; C08B31/125

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3017294A Cited
US2876217A Cited
US2995513A Cited
US3219518A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-02 1972-12-02 1973-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-02 1976-12-02 1977-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-02 1980-12-02 1981-06-03 $7700.00 Window Closed / Lapsed

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