Patents by Inventor Oswald Rechsteiner

Oswald Rechsteiner 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: 4205077
    Abstract: Benzimidazole derivatives of the formula ##STR1## in which R and R.sub.1 independently of one another are each hydrogen, an alkanoyl group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbon atoms, an alkylsulphonyl group having 1 to 4 carbon atoms, a benzoyl group, a phenylsulphonyl group or a p-methylphenylsulphonyl group; R.sub.2 and R.sub.4 independently of one another are each hydrogen, halogen or a methyl group, R.sub.3 is hydrogen, halogen, a methyl group or a methoxy group; X is oxygen or sulphur; Y is halogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a methylthio group, a methylsulphinyl group, a methylsulphonyl group, a trifluoromethyl group, a nitro group, a hydroxyl group, a cyano group or an acetyl group; and m is 0, 1, 2 or 3; and if one of the two radicals R or R.sub.1 is hydrogen, the position of the other of these radicals on the N atoms cannot be clearly established, including, when at least one of the two radicals R or R.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: May 27, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Aufderhaar, Jean J. Gallay, Manfred Kuhne, Alfred Meyer, Oswald Rechsteiner, Max Schellenbaum, Jean-Paul Fumeaux
  • Patent number: 4197307
    Abstract: Benzimidazole derivatives of the formula ##STR1## in which R is an alkyl group having 1 to 6 carbon atoms, an alkenyl group having 3 to 5 carbon atoms, an alkynyl group having 3 to 5 carbon atoms or a benzyl group, which is unsubstituted or monosubstituted to disubstituted by a methyl group, halogen or a nitro group;R.sub.1 is hydrogen, an alkanoyl group having 1 to 4 carbon atoms, an alkoxycarbonyl group having 1 to 4 carbon atoms, a N,N-dialkylcarbamoyl group or N,N-dialkylthiocarbamoyl group, each having 1 to 4 carbon atoms in the alkyl groups, an alkylsulphonyl group having 1 to 4 carbon atoms, a benzoyl group, a phenylsulphonyl group, a 4-methylphenylsulphonyl group or the radical, ##STR2## in which Q is a carbonyl group, a thiocarbonyl group or an oxalyl group;R.sub.2 is hydrogen, halogen or a methyl group;R.sub.3 is hydrogen, halogen, a methyl group or an alkoxy group having 1 to 4 carbon atoms;R.sub.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: April 8, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean-Jacques Gallay, Manfred Kuhne, Alfred Meyer, Oswald Rechsteiner, Max Schellenbaum