Patents by Inventor Christopher S. Knauer

Christopher S. Knauer 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).

  • Endoparasitic depsipeptides
    Patent number: 11786575
    Abstract: The present invention provides cyclic depsipeptides of Formula (1), stereoisomers thereof, and veterinary acceptable salts thereof wherein each of R1, R2, R3, R4, L1, and L2, are as defined herein. The present invention also contemplates compositions and methods of treatment as an endoparasiticide with a Formula (1) compound.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 17, 2023
    Assignee: Zoetis Services LLC
    Inventors: Michael P. Curtis, Susan M. Sheehan, Graham M. Kyne, Matthew W. Bedore, Richard A. Ewin, Paul D. Johnson, Tom L. McTier, Christopher S Knauer, Rajendran Vairagoundar
  • Endoparasitic Depsipeptides
    Publication number: 20220211802
    Abstract: The present invention provides cyclic depsipeptides of Formula (1), stereoisomers thereof, and veterinary acceptable salts thereof wherein each of R1, R2, R3, R4, L1, and L2, are as defined herein. The present invention also contemplates compositions and methods of treatment as an endoparasiticide with a Formula (1) compound.
    Type: Application
    Filed: March 17, 2022
    Publication date: July 7, 2022
    Inventors: Michael P. Curtis, Susan M. Sheehan, Graham M. Kyne, Matthew W. Bedore, Richard A. Ewin, Paul D. Johnson, Tom L. McTier, Christopher S. Knauer, Rajendran Vairagoundar
  • ANTHELMINTIC LABORATORY ANIMAL MODEL FOR HEARTWORM
    Publication number: 20220071183
    Abstract: The current invention describes a laboratory animal model for dirofilarial nematodes wherein said laboratory animal is fed a dietary admixture of laboratory feed containing an immunosuppressing agent, for example, a glucocorticoid. The invention also describes the use of the laboratory animal model for screening endoparasiticides for the treatment and/or prevention of filarial nematode infections in animals.
    Type: Application
    Filed: January 7, 2020
    Publication date: March 10, 2022
    Inventors: Brian John Mills, Tom L. McTier, Christopher S. Knauer, Debra Jean Woods