Abstract: A long-acting, local anesthetic, comprising a polymeric phosphazene backbone, and certain radicals having local anesthetic activity and an amino functional group on the ring of said radical through which said radical is covalently attached to the phosphazene backbone by a phosphorous-nitrogen single bond is disclosed along with medicaments containing such anesthetics. The radicals employed are 2-amino-4-picoline, benoxinate, naepaine and phenacaine.
Type:
Grant
Filed:
September 21, 1984
Date of Patent:
January 13, 1987
Assignee:
Research Corporation
Inventors:
Harry R. Allcock, Paul E. Austin, Thomas X. Neenan
Abstract: A composition and method for improving feed utilization or tissue production in animals are disclosed. At least one substituted phenylphosphinic acid derivative or pharmaceutically acceptable salts thereof is administered as a feed supplement at a daily dosage between about 0.005 and 350 mg/animal. The specific daily dosage depends on the specie, weight of the animal and the desired production trait to be improved.
Type:
Grant
Filed:
June 14, 1984
Date of Patent:
October 21, 1986
Assignee:
Monsanto Company
Inventors:
Melvin J. DeGeeter, Gregory M. Lanza, Billy D. Vineyard