← Back to Patent Explorer
US4046896A Expired / Lapsed US ⏱️ 0.0 years remaining

1-Methyl-2-(pyridyl-oxymethyl)-5-nitro-imidazoles

Assignee: Hoechst AG
•
Filing: 1976-05-14
•
Granted: 1977-09-06
•
Expires: 1996-05-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The invention provides 1-methyl-2-(pyridyl-oxymethyl)-5-nitro-imidazoles and processes for preparing them. The compounds are useful in the therapy of diseases provoked by protozoa.

Inventors

  • 👤 Erhardt Winkelmann
  • 👤 Wolfgang Raether

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:46
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 25 words
A 1-methyl-2-(pyridyl-oxymethyl)-5-nitro-imidazle of the formula ##STR6## wherein R is nitro or cyano and wherein oxygen is bound to pyridyl in the 2-, 3-, or 4-position.
Claim 2
Dependent Claim 25 words
A 1-methyl-2-(pyridyl-oxymethyl)-5-nitro-imidazle of the formula ##STR6## wherein R is nitro or cyano and wherein oxygen is bound to pyridyl in the 2-, 3-, or 4-position.
Claim 3
Dependent Claim 34 words
A pharmaceutical composition for the treatment of disease caused by a trichomonads or amoeba, which composition comprises a therapeutically effective amount of a compound as in claim 1 in combination with a pharmaceutical carrier.
Claim 4
Dependent Claim 42 words
A method for the treatment of disease caused by atrichomonad or amoeba in a human or animal suffering therefrom, which method comprises orally or locally administering to said human or animal a therapeutically effective amount of a compound as in claim 1.

References Cited (Backward Citations)

US3491105A Cited
US3828056A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-09-05 1981-03-07 1981-09-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-09-05 1985-03-07 1985-09-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-09-05 1989-03-07 1989-09-06 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag