Patents by Inventor Wilhelm Kunz

Wilhelm Kunz 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).

  • Patent number: 4371545
    Abstract: The present invention relates to new isopropyl amine compounds and processes for preparing the same. This invention also relates to pharmaceutical compositions containing said isopropyl amine compounds.The new isopropyl amine compounds correspond to the following general formula: ##STR1## wherein R represents a nitrophenyl radical, which may be substituted one or more times by halogen, preferably chloride, and/or by lower straignt- or branched-chain alkyl radicals containing from 1 to 4 carbon atoms an/or by alkoxy radicals containing from 1 to 3 carbon atoms and salts thereof with physiologically compatible acids.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: February 1, 1983
    Assignee: Dolorgiet Beteiligungs GmbH
    Inventors: Wilhelm Kunz, Klaus Gruber
  • Patent number: 4142050
    Abstract: Novel salts of 1,3-bis-(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine (hexetidine) with substituted benzoic acids and processes of preparing these salts are described. These novel salts have useful bacteriostatic activity and show stability in storage. The invention accordingly comprises compositions containing the novel salts and having bacteriostatic activity. The salts are additionally useful for the purification of hexetidine contained in raw mixtures obtained from the synthesis of this compound.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: February 27, 1979
    Assignee: Doll GmbH
    Inventors: Wilhelm Kunz, Klaus Posselt
  • Patent number: 4141968
    Abstract: Novel salts of 1,3-bis-(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine (hexetidine) with substituted benzoic acids and processes of preparing these salts are described. These novel salts have useful bacteriostatic activity and show stability in storage. The invention accordingly comprises compositions containing the novel salts and having bacteriostatic activity.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: February 27, 1979
    Assignee: Doll GmbH
    Inventors: Wilhelm Kunz, Klaus Posselt, Manfred Lohner