Patents by Inventor Paul Brenneisen

Paul Brenneisen 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).

  • Anthelmintic composition and method utilizing isothiocyanobenzazoles active ingredients
    Patent number: 3934017
    Abstract: Isothiocyanobenzazoles of the formula ##SPC1##WhereinR.sub.1 is hydrogen, optionally substituted alkyl, alkenyl, cycloalkyl or cycloalkenylR.sub.2 is hydrogen, halogen, alkyl, alkoxy or alkanoylX is oxygen, sulfur or ##EQU1## R.sub.3 is hydrogen, alkyl, alkenyl, phenyl or benzyl, dialkylaminoalkyl, alkoxycarbonyl, alkanoyl or polyhydroxyalkylY is oxygen, sulfur, -SO-, -SO.sub.2 - or ##EQU2## n is 0 or 1, and R.sub.4 is hydrogen, alkyl or alkenyl or together with the nitrogen atom and R.sub.1 a saturated or unsaturated heterocycle which may contain one further hetero atom having anthelmintic and microbicidal activity.
    Type: Grant
    Filed: September 3, 1974
    Date of Patent: January 20, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean-Jacques Gallay, Rene Bosshard, Paul Brenneisen
  • 2-Phenoxy, -phenylthio-, and -phenyl-amino-benzoxazoles having an isothiocyano substituent
    Patent number: 3933841
    Abstract: Isothiocyano substituted 2-phenoxy, 2-phenylthio and 2-phenylamino-benzoxazoles have anthelmintic activity in warm-blooded animals. Included are compounds of the formula ##SPC1##In which one of R.sub.2 and R.sub.5 is isothiocyano and the other is hydrogen, methyl, methoxy, chlorine or nitro; Y is oxygen, sulphur or ##EQU1## wherein R is hydrogen or methyl; and n is 0 or 1.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: January 20, 1976
    Assignee: Ciba-Geigy Corporation
    Inventors: Paul Brenneisen, Thomas Wenger, Jean-Jacques Gallay, Wolfgang Schmid