Patent US3879533A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3879533A Expired / Lapsed US ⏱️ 0.0 years remaining

Endoparasitic nematode control by isoxazoles

Assignee: Shell USA Inc
•
Filing: 1974-01-18
•
Granted: 1975-04-22
•
Expires: 1994-01-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Nematode endoparasites of warm-blooded animals are controlled by 3-phenyl-5-(halo-, alkylthio- or alkoxy)-isoxazoles.

Inventors

  • 👤 John B Carr
  • 👤 Duane K Hass

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 21:38
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/42

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 45 words
A METHOD FOR CONTROLLING ENDOPARASTIC NEMATODES IN WARM-BLOODED ANIMALS WHICH COMPRISES ORALLY ADMINISTERING TO THE ANIMAL A NEMATOCIDALLY EFFECTIVE DOSAGE OF AN ISOXAZOLE OF THE FORMULA: 3-PHENYL,5-R-ISOXAZOLE WHEREIN R IS HALOGEN, ALKYLOXY OR ALKYLTHIO WHEREIN EACH ALKYL MOIETY CONTAIN FROM 1 TO 4 CARBON ATOMS.
Claim 2
Independent Claim 45 words
A METHOD FOR CONTROLLING ENDOPARASTIC NEMATODES IN WARM-BLOODED ANIMALS WHICH COMPRISES ORALLY ADMINISTERING TO THE ANIMAL A NEMATOCIDALLY EFFECTIVE DOSAGE OF AN ISOXAZOLE OF THE FORMULA: 3-PHENYL,5-R-ISOXAZOLE WHEREIN R IS HALOGEN, ALKYLOXY OR ALKYLTHIO WHEREIN EACH ALKYL MOIETY CONTAIN FROM 1 TO 4 CARBON ATOMS.
Claim 3
Independent Claim 26 words
A method for controlling endoparasitic nematodes in warm-blooded animals which comprises orally administering to the animal a nematocidally effective dosage of an isoxazole of the formula:
Claim 4
Independent Claim 26 words
A method for controlling endoparasitic nematodes in warm-blooded animals which comprises orally administering to the animal a nematocidally effective dosage of an isoxazole of the formula:
Claim 5
Dependent Claim 26 words
The method according to claim 1 wherein R is a middle halogen, alkyloxy or alkylthio wherein each alkyl moiety contains from 1 to 2 carbon atoms.
Claim 6
Dependent Claim 10 words
The method according to claim 2 wherein R is chlorine.
Claim 7
Dependent Claim 10 words
The method according to claim 2 wherein R is bromine.

References Cited (Backward Citations)

US3781438A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-21 1978-10-21 1979-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-21 1982-10-21 1983-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-21 1986-10-21 1987-04-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag