Patents by Inventor Willy Roth

Willy Roth 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: 20090011059
    Abstract: The present invention relates to the use of a ginger extract on its own or in combination with pharmaceutical compositions for inhibiting human drug transporters for positively influencing the oral bioavailability and pharmacokinetics of active substances.
    Type: Application
    Filed: December 20, 2006
    Publication date: January 8, 2009
    Inventors: Naoki Ishiguro, Wataru Kishimoto, Thomas Ebner, Willy Roth
  • Patent number: 5629342
    Abstract: This invention relates to antimicrobial compositions comprising a phenoxyarsine as the active antimicrobial substance and a solvent, which is a compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen or lower alkyl, m is 0 or 1 and n is 1 or 2. The compositions are suitable for the antimicrobial finishing of synthetic materials.
    Type: Grant
    Filed: January 25, 1996
    Date of Patent: May 13, 1997
    Assignee: Akzo Nobel Chemicals Inc.
    Inventor: Willy Roth
  • Patent number: 5488065
    Abstract: This invention relates to antimicrobial compositions comprising a phenoxyarsine as the active antimicrobial substance and a solvent, which is a compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen or lower alkyl, m is 0 or 1 and n is 1 or 2. The compositions are suitable for the antimicrobial finishing of synthetic materials.
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: January 30, 1996
    Inventor: Willy Roth
  • Patent number: 5364646
    Abstract: Pharmaceutical forms of pimobendan for oral administration comprising citric acid, whereby a constant, satisfactory resorption is ensured even when there are major pH fluctuations in the gastrointestinal tract.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: November 15, 1994
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Peter Gruber, Willy Roth, Gottfried Schepky
  • Patent number: 5114935
    Abstract: Novel compounds of the general formula ##STR1## which have antitussive activity, wherein R.sub.1 -R.sub.4 are as defined herein.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: May 19, 1992
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Helmut Ballhause, Gunther Engelhardt, Claus A. Landgraf, Norbert Mayer, Willy Roth, Kurt Schumacher, Alex Prox
  • Patent number: 4353909
    Abstract: Compounds of the formula ##STR1## wherein R is methylsulfinyl or methylsulfonyl, their 3H-tautomers, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as cardiotonics.
    Type: Grant
    Filed: September 24, 1981
    Date of Patent: October 12, 1982
    Assignee: Dr. Karl Thomae Gesellschaft mit beschrankter Haftung
    Inventors: Willi Diederen, Axel Prox, Albert Reuter, Willy Roth, Jochen Schmid
  • Patent number: 4058626
    Abstract: Compositions for killing slugs and snails, containing as the essential active ingredient metaldehyde and as an organoleptic denaturant benzyldiethyl-(2,6-xylylcarbamoylmethyl)-ammonium benzoate, are disclosed.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: November 15, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Willy Roth