The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 1999
Filed:
Jan. 16, 1998
Applicant:
Inventors:
Christopher James Dutton, Sandwich, GB;
Stephen Paul Gibson, Sandwich, GB;
Michael John Witty, Sandwich, GB;
Assignee:
Pfizer Inc., New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ; A01N / ;
U.S. Cl.
CPC ...
514 50 ; 514450 ; 536-71 ; 549264 ;
Abstract
Antiparasitic avermectin derivatives of formula (I), where the broken line represents an optional bond, R.sup.1 and R.sup.4 are independently H, OH, halo, oximino, or an organic radical, R.sup.2, R.sup.6 and R.sup.7 are organic radicals and R.sup.3 is alpha-oleandrosyl or 4'-(alpha-oleandrosyl)-alpha-oleandrosyl optionally substituted at the 4'- or 4'-position, and R.sup.12 and R.sup.13 are independently H, CN, CONH.sub.2, C.sub.1 -C.sub.8 alkyl or aryl optionally substituted with at least one halo, OH, C.sub.1 -C.sub.8 alkylthio group.