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US3280131A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium salts of organophosphorus acids

Assignee: Danieli and C Officine Meccaniche SpA
•
Filing: 1964-02-10
•
Granted: 1966-10-18
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Expires: 1984-02-10
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Abstract

No abstract record available.

Inventors

  • 👤 Reginald L Wakeman
  • 👤 Joseph F Coates

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 04:37
CPC Classifications
A; A61; A61Q; A61Q17/00; A61Q17/005; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/55; B; B65; B65D; B65D81/00; B65D81/24; B65D81/28; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/38; C07F9/3804; C07F9/3834; C07F9/48; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2608; A61Q5/00; A61Q5/006; Y; Y10; Y10S; Y10S424/00; Y10S424/04

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 11 words
A QUATERNARY AMMONIUM SALT OF AN ORGANOPHOSPHORUS ACID HAVING THE FORMULA:
Claim 2
Dependent Claim 11 words
A QUATERNARY AMMONIUM SALT OF AN ORGANOPHOSPHORUS ACID HAVING THE FORMULA:
Claim 3
Dependent Claim 4 words
LAURYL ISOQUINOLINIUM BENZENE PHOSPHINATE.
Claim 4
Dependent Claim 4 words
LAURYL ISOQUINOLINIUM BENZENE PHOSPHINATE.

References Cited (Backward Citations)

US2279502A Cited
US2605280A Cited
US2908605A Cited
US2930730A Cited
US2795582A Cited
US3033665A Cited
US3078248A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-17 1970-04-18 1970-10-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-17 1974-04-18 1974-10-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-17 1978-04-18 1978-10-18 $7700.00 Window Closed / Lapsed

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