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1-(alkoxyphenylalkyl)-2-imidazolinones, -2-imidazolidinones and -2-pyrimidinones

Assignee: Nederlandsche Combinatie voor Chemische Industrie NV
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Filing: 1962-11-16
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Granted: 1965-05-18
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Expires: 1982-11-16
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Abstract

No abstract record available.

Inventors

  • 👤 Antony M Akkerman
  • 👤 Josephus F Michels

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:34
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/34; C07D239/36; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/32; C07D233/54; C07D233/66; C07D233/70

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA:

References Cited (Backward Citations)

US2517750A Cited
US2404300A Cited
US2397250A Cited
US2707186A Cited
US2969372A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-05-17 1968-11-16 1969-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-05-17 1972-11-16 1973-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-05-17 1976-11-16 1977-05-18 $7700.00 Window Closed / Lapsed

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