Patents by Inventor Nicolas Zenker

Nicolas Zenker 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).

  • Reductive alkylation
    Patent number: 4204069
    Abstract: 1(5-benzimidazolyl)-2-isopropylaminoethanol, pharmaceutically acceptable salts thereof, and their preparation are disclosed. These compounds have pharmaceutical utility e.g. as broncholidators.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: May 20, 1980
    Assignee: Merck & Co., Inc.
    Inventors: Carroll D. Arnett, Jeremy Wright, Nicolas Zenker
  • Novel substituted alanines
    Patent number: 4149011
    Abstract: Intermediate compound useful in the preparation of Benzimidazol-5-yl alanine derivatives useful as antihypertensive agents.
    Type: Grant
    Filed: August 8, 1977
    Date of Patent: April 10, 1979
    Assignee: Merck & Co., Inc.
    Inventors: Chandravadan N. Talaty, Jeremy Wright, Nicolas Zenker
  • Substituted aminoethanols and pharmaceutical use
    Patent number: 4082847
    Abstract: 1-(5-benzimidazolyl)-2-isopropylaminoethanol, pharmaceutically acceptable salts thereof, and their preparation are disclosed. These compounds have pharmaceutical utility e.g. as bronchodilators.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: April 4, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Carroll D. Arnett, Jeremy Wright, Nicolas Zenker
  • 3-(2-Substitutedbenzimidazolyl) alanines
    Patent number: 4073929
    Abstract: Benzimidazol-5(6)-yl alanine derivatives useful as antihypertensive agents are disclosed as well as methods for their preparation.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: February 14, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Patrick S. Callery, Jeremy Wright, Nicolas Zenker
  • Benzimidazole substituted alanines
    Patent number: 4070478
    Abstract: Benzimidazol-5-yl alanine derivatives useful as antihypertensive agents are disclosed as well as methods for their preparation.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: January 24, 1978
    Assignee: Merck & Co., Inc.
    Inventors: Chandravadan Nanalal Talaty, Jeremy Wright, Nicolas Zenker
  • Antihypertensive agents
    Patent number: 4034100
    Abstract: Compounds of the formula ##STR1## possess antihypertensive activity. Also provided are methods for the preparation of the compounds as well as pharmaceutical formulations and methods for their use as antihypertensive agents.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: July 5, 1977
    Assignee: Merck & Co., Inc.
    Inventors: Patrick S. Callery, Nicolas Zenker, Jeremy Wright, Clement A. Stone