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US3467708A Expired / Lapsed US ⏱️ 0.0 years remaining

Aryl-substituted aliphatic benzyl and naphthyl-methylene quaternary ammonium compounds

Assignee: Armour Industrial Chemical Co
•
Filing: 1966-11-10
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Granted: 1969-09-16
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Expires: 1986-11-10
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Abstract

No abstract record available.

Inventors

  • 👤 Eugene J Miller Jr
  • 👤 Harlan E Tiefenthal

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:50
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/17; C; C07; C07C; C07C51/00; C07C51/347; C07C51/353; D06M13/00; D06M13/322; D06M13/46; D06M13/463

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CH217133A Cited
CH217132A Cited
CH217137A Cited
CH217136A Cited
US2520275A Cited
US2519999A Cited
GB789794A Cited
US3037910A Cited
US3050521A Cited
US3205169A Cited
US3283005A Cited
US3311659A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-15 1973-03-17 1973-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-15 1977-03-17 1977-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-15 1981-03-17 1981-09-16 $7700.00 Window Closed / Lapsed

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