Patents by Inventor Richard G. Endris

Richard G. Endris 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).

  • Parasiticidal compositions and methods of use
    Patent number: 6660768
    Abstract: A solvent system for pyrethroids and pyrethrins comprises a terpene or a terpene derivative such as a terpene alcohol, aldehyde or ketone. In a preferred embodiment, the solvent system further comprises an alkylene glycol ether. Compositions comprising pyrethroids and/or pyrethrins in such a solvent system do not crystallize at cold temperatures and have increased efficacy compared to formulations containing conventional solvents.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 9, 2003
    Assignee: Schering-Plough Animal Health Corporation
    Inventors: Richard G. Endris, Wayne B. Rose
  • Parasiticidal compositions and methods of use
    Publication number: 20030073667
    Abstract: A solvent system for pyrethroids and pyrethrins comprises a terpene or a terpene derivative such as a terpene alcohol, aldehyde or ketone. In a preferred embodiment, the solvent system further comprises an alkylene glycol ether. Compositions comprising pyrethroids and/or pyrethrins in such a solvent system do not crystallize at cold temperatures and have increased efficacy compared to formulations containing conventional solvents.
    Type: Application
    Filed: February 6, 2002
    Publication date: April 17, 2003
    Applicant: Schering-Plough Veterinary Corporation
    Inventors: Richard G. Endris, Wayne B. Rose, Shirley Maxine Rose
  • Antiparasitic agents
    Patent number: 5614546
    Abstract: There are disclosed novel compounds which are derived from the fermentation of a strain of Nodulisporium sp. The compounds are highly potent ectoparasiticidal, antiparasitic and, insecticidal gents.
    Type: Grant
    Filed: December 20, 1994
    Date of Patent: March 25, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Anne W. Dombrowski, Richard G. Endris, Gregory L. Helms, Otto D. Hensens, John G. Ondeyka, Dan A. Ostlind, Jon D. Polishook, Deborah L. Zink
  • Antiparasitic agents
    Patent number: 5399582
    Abstract: There are disclosed novel compounds which are derived from the fermentation of a strain of Nodulisporium sp. The compounds are highly potent ectoparasiticidal, antiparasitic and, insecticidal gents.
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: March 21, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Anne W. Dombrowski, Richard G. Endris, Gregory L. Helms, Otto D. Hensens, John G. Ondeyka, Dan A. Ostlind, Jon D. Polishook, Deborah L. Zink