Patents by Inventor Christian Karst

Christian Karst 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).

  • Publication number: 20140335180
    Abstract: The invention relates to a product for oral administration intended for a pet, comprising extracts of punica granatum (pomegranate). The invention is characterised in that the invention further comprises at least two additional antioxidant compounds chosen from:— soya isoflavone extracts;— L-carnitine; and— taurine.
    Type: Application
    Filed: November 8, 2012
    Publication date: November 13, 2014
    Applicant: VIRBAC SA
    Inventors: Patricia Monginoux, Hugues Gatto, Christian Karst, Ferdinand Rudolf Waldenberger
  • Patent number: 6500446
    Abstract: The present invention relates to compositions which contain at least one cationic polymer and at least one active molecule contained in at least one micro or nanoparticulate vector, and their use for treating living or inert surfaces.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: December 31, 2002
    Assignee: Virbac
    Inventors: Guy Derrieu, Jean-Luc Pougnas, Patricia Monginoux, Christian Karst
  • Patent number: 6382137
    Abstract: Device designed to be carried by an animal and capable of controlled release of one or several active principles and, more particularly, one or several medicinal active principles to protect and/or treat this animal against possible pathologies, and capable of being used as a restraint for controlling and managing the animal. In one embodiment the device is used with a leash or lead fixed to the device. Method for making the device. The device comprises a first material for the controlled release of one or several active substances of polymer matrix type containing this active substance and a second material for providing it with mechanical resistance, the materials being closely bound within a single structure.
    Type: Grant
    Filed: September 5, 2000
    Date of Patent: May 7, 2002
    Assignee: Virbac
    Inventors: Guy Derrieu, Bruno Roy, Christian Karst, Thierry Grenier
  • Patent number: 5776481
    Abstract: Device capable of being used in combination with a restraining or ornamental collar or with any other support for animals, intended to make possible the controlled and optically continuous and complete release of chemical substances, including medicaments, for more or less lengthy, continuous or noncontinuous, periods and process for producing the said device. The device comprises a polymeric matrix enclosing at least one active substance capable of being released towards an appropriate area of an animal. The device is composed of at least one tubular component of any cross-section, containing at least one layer of flexible polymeric matrix containing at least one active substance, the length of the said tubular component can be regulated to adjust the daily dose of the active substance to the weight of the animal and the ratio of the external surface area of said tubular component to the thickness of its' wall is as great as possible to obtain linear removal of the active substance.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: July 7, 1998
    Assignee: Laboratoires Virbac
    Inventors: Christian Karst, Thierry Gozlan, Guy Derrieu, Luc Castelli