Patents by Inventor Gosta Lennart Florvall

Gosta Lennart Florvall 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).

  • Benzylidene hydrazino-1,2,4-triazoles, pharmaceuticals therewith, and method of use
    Patent number: 4022905
    Abstract: Compounds having the general formula ##STR1## pharmaceutical preparations containing the compounds and use in the treatment of hypertension.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: May 10, 1977
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Hans Erik Eriksson, Gosta Lennart Florvall
  • Pharmaceutical compositions containing an amphetamine derivative for the alleviation of anxiety or treatment of depression
    Patent number: 4000280
    Abstract: Compounds having the general formula ##STR1## or pharmaceutically acceptable salts thereof, in which formula R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a lower alkyl group or a halogen atom, R.sup.3 represents a lower alkyl group or a benzyl group, R.sup.4 represents a hydrogen atom, a lower alkyl group, a benzyl group or a CH.sub.2 CH.sub.2 CH.sub.2 -bridge connected to the phenyl ring in ortho-position relative to the N-substituent, R.sup.5 represents a hydrogen atom or a methyl group and R.sup.6 represents a lower alkyl group, provided that R.sup.1 and/or R.sup.2 represents a lower alkyl group or a halogen atom where R.sup.3 represents a methyl group, R.sup.4 represents a methyl group and R.sup.5 represents a hydrogen atom; methods for the preparation thereof; intermediates useful for their preparation; pharmaceutical preparations containing at least one of these compounds; and the use thereof in the treatment of depressive states and alleviating anxiety.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: December 28, 1976
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Gosta Lennart Florvall, Svante Bertil Ross, Sven-Ove Ogren
  • Amphetamine derivatives
    Patent number: 3996381
    Abstract: Compounds having the general formula ##STR1## or pharmaceutically acceptable salts thereof, in which formula R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a lower alkyl group or a halogen atom, R.sup.3 represents a lower alkyl group or a benzyl group, R.sup.4 represents a hydrogen atom, a lower alkyl group, a benzyl group or a CH.sub.2 CH.sub.2 CH.sub.2 --bridge connected to the phenyl ring in ortho-position relative to the N-substituent, R.sup.5 represents a hydrogen atom or a methyl group and R.sup.6 represents a lower alkyl group, provided that R.sup.1 and/or R.sup.2 represents a lower alkyl group or a halogen atom when R.sup.3 represents a methyl group, R.sup.4 represents a methyl group and R.sup.5 represents a hydrogen atom; methods for the preparation thereof; intermediates useful for their preparation; pharmaceutical preparations containing at least one of these compounds; and the use thereof in the treatment of depressive states and alleviating anxiety.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: December 7, 1976
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Gosta Lennart Florvall, Svante Bertil Ross, Sven-Ove Ogren
  • Antihypertensive substituted triazoles
    Patent number: 3959476
    Abstract: Compounds having the general formula ##SPC1##Methods for the preparation thereof and use in the treatment of hypertension.
    Type: Grant
    Filed: June 11, 1974
    Date of Patent: May 25, 1976
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Hans Erik Eriksson, Gosta Lennart Florvall