Patents by Inventor Peter J. Swift

Peter J. Swift has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Animal growth promotant L-pyroglutamyl-pyridylalanyl-L-prolinamides
    Patent number: 4562197
    Abstract: L-pyroglutamyl-pyridylalanyl-L-prolinamides of the formula: ##STR1## wherein R.sup.1 is H, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.2 -C.sub.8 alkoxyalkyl or aryl; and X is H, halo, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; and their physiologically acceptable salts and feed compositions thereof are useful for improving the efficiency of feed utilization and/or growth of animals especially poultry.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: December 31, 1985
    Assignee: Pfizer Inc.
    Inventors: Michael Snarey, Peter J. Swift, Michael J. Witty