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:
Jan. 22, 2002
Filed:
Jun. 22, 1994
Susan Mancini Cady, Yardley, PA (US);
William David Steber, Ledgewood, NJ (US);
Phillip Wayne Hayes, Rushland, PA (US);
Mary Ehlers Doscher, Trenton, NJ (US);
Kurt Allen Schwinghammer, Richboro, PA (US);
American Cyanamid Company, Madison, NJ (US);
Abstract
The invention relates to certain stable microsphere compositions containing a fat, a wax or a mixture thereof; an active ingredient selected from LL-F28249&agr;-&lgr; compounds, 23-oxo or 23-imino derivatives of LL-F28249&agr;-&lgr; compounds, milbemycin compounds and avermectin compounds; an antioxidant and, optionally, an oil, a semi-soft fat, a fatty acid derivative or mixture thereof. The invention also relates to a method for introducing and maintaining levels of the active compound in the blood of warm-blooded animals for extended periods of time and for the prevention or treatment of infections and infestations caused by helminths, nematodes, acarids and endo- and ectoparasitic arthropods in warm-blooded animals by the parenteral administration of compositions of the invention.