Patents by Inventor Helmut Schnabel

Helmut Schnabel 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).

  • Semi-solid aqueous preparations for oral applications of toltrazuril sulphone
    Patent number: 6436935
    Abstract: The present invention relates to orally administrable pastes of toltrazuril sulfone, comprising active compound in a concentration of 0.1-20% by weight, with a particle size of from 1 to 10·10−6 m, polyacrylic acids having a degree of polymerization of about 3·106 in a concentration of 0.1-5% by weight and, if appropriate, preservatives and moisturizers, and the remainder to 100% by weight water.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: August 20, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Matthias Kuhn, Bettina Rohde, Helmut Schnabel, Hans-Christian Mundt
  • Anthelmintic paste
    Patent number: 6025357
    Abstract: The present invention relates to hexahydropyrazino-derivative-based anthelmintic pastes for horses, dogs and cats, which are characterized in that they comprise corn starch and glycerol in addition to the active compound.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: February 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jochen Kalbe, Helmut Schnabel