Patents by Inventor Gerhard Zolss

Gerhard Zolss 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).

  • Novel crystalline salts of aryloxy-propanolamines, a process for their preparation and their use
    Patent number: 4767784
    Abstract: The invention relates to novel crystalline salts of aryloxypropanolamines with diphenylacetic acid, a process for their preparation and the use of these salts for the preparation of chemically pure aryloxy-propanolamines or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: November 28, 1986
    Date of Patent: August 30, 1988
    Inventors: Gerhard Zolss, Gerhard Pfarrhofer
  • 4-Ureido-2-acyl phenoxypropanolamine
    Patent number: 4034009
    Abstract: Phenoxypropylamine derivatives of the general formula: ##STR1## in which R is a hydrogen atom or a straight-chain or branched alkyl group containing up to 10 carbon atoms, R.sub.1 is a hydrogen atom, a straight-chain or branched alkyl group containing up to 10 C atoms or a cyclopentyl, cyclohexyl, benzyl or phenyl group or R and R.sub.1 taken together form a pentamethylene-(1,5), tetramethylene-(1,4), 2-azapentamethylene-(1,5), 3-azapentamethylene-(1,5) and 3-oxapentamethylene-(1,5)-group, R.sub.2 is an alkyl group containing up to 6 carbon atoms or a benzyl or phenyl group and R.sub.3 is a branched alkyl group containing 3 to 6 carbon atoms, a cyanoalkyl group containing up to 6 carbon atoms or a cycloalkyl group containing 3 to 7 carbon atoms, and pharmaceutically-acceptable salts thereof, having a cardio-selective .beta.-blocking action.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: July 5, 1977
    Assignee: Chemie Linz Aktiengesellschaft
    Inventors: Gerhard Zolss, Heribert Pittner, Heimo Stormann-Menninger-Lerchenthal
  • Phenoxypropylamine derivatives
    Patent number: 3983169
    Abstract: Phenoxypropylamine derivatives of the general formula: ##EQU1## in which R is a hydrogen atom or a straight-chain or branched alkyl group containing up to 10 carbon atoms, R.sub.1 is a hydrogen atom, a straight-chain or branched alkyl group containing up to 10 carbon atoms or a cyclopentyl, cyclohexyl, benzyl or phenyl group or R and R.sub.1 taken together form a pentamethylene-(1,5), tetramethylene-(1,4), 2-azapentamethylene-(1,5), 3-azapentamethylene-(1,5) or 3-oxapentamethylene-(1,5)-group, R.sub.2 is a hydrogen atom or an alkyl group containing up to 6 carbon atoms or a benzyl or phenyl group, R.sub.3 is a branched alkyl group containing 3 to 6 carbon atoms, a cyanoalkyl group containing up to 6 carbon atoms or a cycloalkyl group containing 3 to 7 carbon atoms and R.sub.4 is a hydrogen atom, an alkyl group containing up to 6 carbon atoms or a benzyl group, and the pharmaceutically-acceptable salts thereof having a cardioselective .beta.-blocking action.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: September 28, 1976
    Assignee: Chemie Linz Aktiengesellschaft
    Inventors: Gerhard Zolss, Heribert Pittner, Heimo Stormann-Menninger-Lerchenthal, Irmgard Lindner