Patents by Inventor Gosta L. Florvall

Gosta L. 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).

  • Patent number: 4789683
    Abstract: Novel therapeutically active compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each represents a hydrogen atom, a halogen atom, a cyano group, a lower alkyl group or an acyl group, R.sup.3 is a lower alkyl group; an alkenyl group; or a benzyl group optionally substituted with fluorine, chlorine, bromine, trifluoromethyl, lower alkyl or lower alkoxy, A.sup.1 and A.sup.2 are the same or different and each represents a hydrogen atom, a lower alkyl group, an acyl group, an alkoxycarbonyl group or a dialkylcarbamyl group, provided that when A.sup.1 and A.sup.2 are the same lower alkyl group and R.sup.3 is ethyl, R.sup.1 or R.sup.2 or both are selected among cyano, lower alkyl and acyl; or a physiologically acceptable salt or optical isomers thereof, methods for their preparation, pharmaceutical preparations containing the compounds and methods for their therapeutical use.
    Type: Grant
    Filed: January 8, 1985
    Date of Patent: December 6, 1988
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Gosta L. Florvall, Jan O. G. Lundstrom, Sten I. Ramsby, Sven O. gren
  • Patent number: 4232037
    Abstract: A compound of the formula ##STR1## wherein R.sup.1 is an alkyl group with 1-3 carbon atoms, R.sup.2 and R.sup.3 are the same or different and each is hydrogen, chlorine or bromine; and pharmaceutically acceptable salts and optical isomers thereof; methods and intermediates for the preparation of the compounds; pharmaceutical preparations containing them and their medical use for the treatment of psychoses.
    Type: Grant
    Filed: March 8, 1979
    Date of Patent: November 4, 1980
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Gosta L. Florvall, Sven O. Ogren
  • Patent number: 4105768
    Abstract: Compounds having the general formula ##STR1## pharmaceutical preparations containing the compounds and use in the treatment of hypertension.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: August 8, 1978
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Hans E. Eriksson, Gosta L. Florvall