Patents by Inventor Stig A. I. Carlsson

Stig A. I. Carlsson 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).

  • Derivatives of benzimidazoles active as anti-ulcer agents
    Patent number: 5106862
    Abstract: Novel compounds of the general formula I ##STR1## processes for its preparation, pharmaceutical compositions containing such compounds as the active ingredient and the use of the compounds in medicine.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: April 21, 1992
    Assignee: Aktiebolaget Hassle
    Inventors: Carin B. Briving, Stig A. I. Carlsson, Per L. Lindberg, Annie H. Mattsson, Mats P. Nordberg, Bjorn M. G. Wallmark
  • Novel pharmacologically active compound pyridyl methylsulfinyl benzimidazole
    Patent number: 5039806
    Abstract: Novel compounds of the formula ##STR1## pharmaceutical compositions containing such compounds as active ingredient, and the use of the compounds in medicine.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: August 13, 1991
    Assignee: AB Hassle
    Inventors: Arne E. Brandstram, Stig A. I. Carlsson, Britt I. M. Kallsson, Per L. Lindberg
  • 2,6-Dimethyl-4-2,3-disubstituted phenyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid-3,5-asymmetric diesters having hypotensive properties, as well as method for treating hypertensive conditions and pharmaceutical preparations containing same
    Patent number: 4264611
    Abstract: The present invention relates to new compounds having antihypertensive effect, which compounds are of the formula I, ##STR1## wherein R.sup.1 is selected from the group consisting of --CH.sub.3, --C.sub.2 H.sub.5, --CH.sub.2 CH.sub.2 OCH.sub.3, and --CH.sub.2 CH.sub.2 OC.sub.2 H.sub.5, and R.sup.2 is selected from the group consisting of --C.sub.2 H.sub.5, --CH(CH.sub.3).sub.2, --C(CH.sub.3).sub.3, --CH(CH.sub.3)CH.sub.2 OCH.sub.3, C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3, and --CH.sub.2 C(CH.sub.3).dbd.CH.sub.2, whereby R.sup.1 and R.sup.2 are not the same, R.sup.3 is selected from the group consisting of chloro, and R.sup.4 is selected from the group consisting of chloro, and methyl, a method for lowering the blood pressure in mammals including man using said compounds, and pharmaceutical preparations containing said compounds.
    Type: Grant
    Filed: June 19, 1979
    Date of Patent: April 28, 1981
    Assignee: Aktiebolaget Hassle
    Inventors: Peder B. Berntsson, Stig A. I. Carlsson, Jan O. Gaarder, Bengt R. Ljung
  • Phenoxy-hydroxypropylamines, their preparation, and method and pharmaceutical preparations for treating cardiovascular diseases
    Patent number: 4145442
    Abstract: Ortho-para-substituted phenoxy-hydroxypropylamines having the general formula ##STR1## and pharmaceutically acceptable, non-toxic acid addition salts thereof, wherein R.sup.1 is alkyl or hydroxyalkyl, R.sup.2 is alkoxyalkyl or alkylthioalkyl, and R.sup.3 is halogen, alkyl, alkenyl, alkinyl, alkoxymethyl, or alkoxy are disclosed, as are methods for their preparation.Pharmaceutical preparations are prepared whose active ingredients include at least one of the newly discovered phenoxy-hydroxypropylamine compounds. Therapeutically effective doses of these preparations selectively block the .beta.-receptors of the heart making them useful in treating heart diseases in animals including humans.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: March 20, 1979
    Assignee: Aktiebolaget Hassle
    Inventors: Peder B. Berntsson, Arne E. Brandstrom, Enar I. Carlsson, Stig A. I. Carlsson, Lars Ek, Benny R. Samuelsson, Sven E. Sjostrand, Gert C. Strandlund, Bengt A. H. Ablad