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US3364044A Expired / Lapsed US ⏱️ 0.0 years remaining

Gelatine compositions containing pentaerythritol esters of phosphoric acids

Assignee: Agfa Gevaert NV
•
Filing: 1963-07-09
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Granted: 1968-01-16
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Expires: 1983-07-09
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Abstract

No abstract record available.

Inventors

  • 👤 Grabhofer Herbert
  • 👤 Ulrich Hans
  • 👤 Himmelmann Wolfgang
  • 👤 Meckl Heinz
  • 👤 Bockly Erich
  • 👤 Gunther Eberhard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:13
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65746; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3103530A Cited
US2292022A Cited
US2768080A Cited
US2920068A Cited
US3022172A Cited
US3090799A Cited
US3258338A Cited
US3053878A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-01-15 1971-07-17 1972-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-01-15 1975-07-17 1976-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-01-15 1979-07-17 1980-01-16 $7700.00 Window Closed / Lapsed

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