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US3424771A Expired / Lapsed US ⏱️ 0.0 years remaining

Novel amido derivatives useful as aids in detergent compositions

Assignee: Lumin Chemical Co
•
Filing: 1967-07-11
•
Granted: 1969-01-28
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Expires: 1987-07-11
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Abstract

No abstract record available.

Inventors

  • 👤 Louis H Libby
  • 👤 Minnie G Libby

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 20:18
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/42; A61Q; A61Q19/00; C; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/32; A61Q5/00; A61Q5/006; A61Q5/02; A61Q5/12; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/07

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 4 words
COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim 4 words
COMPOUNDS HAVING THE FORMULA
Claim 3
Dependent Claim 4 words
COMPOUNDS HAVING THE FORMULA
Claim 4
Dependent Claim 4 words
COMPOUNDS HAVING THE FORMULA

References Cited (Backward Citations)

US2329406A Cited
US2372808A Cited
US2387201A Cited
US2816911A Cited
US2898301A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-01-28 1972-07-29 1973-01-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-01-28 1976-07-29 1977-01-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-01-28 1980-07-29 1981-01-28 $7700.00 Window Closed / Lapsed

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