Patents by Inventor Hans-Joachim May

Hans-Joachim May 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: 4389403
    Abstract: 1-Aroyl-2-phenylamino-2-imidazolines of the general formula ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is chlorine, bromine, fluorine, methyl, ethyl, methoxy, trifluoromethyl or cyano,R.sup.3 has the meanings given for R.sup.1 and R.sup.2 or is hydrogen andAr is an unsubstituted or substituted monocyclic or bicyclic heteroaromatic radical containing 1, 2 or 3 nitrogen and/or oxygen and/or sulfur atoms, their salts with physiologically tolerated acids, their preparation, and drugs containing these compounds.The compounds have, inter alia, a blood pressure-reducing action.
    Type: Grant
    Filed: March 3, 1981
    Date of Patent: June 21, 1983
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim May, Dieter Lenke, Josef Gries, Hans-Juergen Teschendorf, Wolfgang Worstmann
  • Patent number: 4280008
    Abstract: Chirally substituted 2-imidazolin-5-ones and their use as intermediates for the preparation of optically active aminoacids, especially of optically active .alpha.-substituted aminoacids.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: July 21, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Schoellkopf, Hans-Heinrich Hausberg, Walter Boell, Hans-Joachim May, Horst Koenig
  • Patent number: 4269990
    Abstract: The invention relates to 1-acyl-2-imidazolines, processes for their manufacture, and their use as intermediates.
    Type: Grant
    Filed: December 5, 1979
    Date of Patent: May 26, 1981
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans-Joachim May, Horst Koenig
  • Patent number: 4025639
    Abstract: 2-[.alpha.-(2,6-Dichlorophenoxy)-ethyl]-.DELTA..sup.2 -imidazoline, and physiologically acceptable acid addition salts thereof, which provide vasoactivity and hypotensive activity.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: May 24, 1977
    Assignee: A. Nattermann & Cie GmbH
    Inventors: Horst Baganz, Hans-Joachim May
  • Patent number: 3966757
    Abstract: 2-[.alpha.-(2,6-DICHLOROPHENOXY)-ETHYL]-.DELTA..sup.2 -IMIDAZOLINE, AND PHYSIOLOGICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, WHICH PROVIDE VASOACTIVITY AND HYPOTENSIVE ACTIVITY.
    Type: Grant
    Filed: April 8, 1975
    Date of Patent: June 29, 1976
    Assignee: A. Nattermann & Cie GmbH
    Inventors: Horst Baganz, Hans-Joachim May