Patents by Inventor Enar I. Carlsson

Enar 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).

  • Patent number: 5051446
    Abstract: The present invention relates to new compounds of the formula I ##STR1## as well as their preparation, pharmaceutical preparations containing same, and method of treating acute myocardial infarction.The compounds which possess beta-adrenoceptor blocking activity are very shortacting and are preferably intended for treatment of acute myocardial infarction by administration by means of injection.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: September 24, 1991
    Assignee: E. I. du Pont de Nemours & Co.
    Inventors: Enar I. Carlsson, Bill B. Gustafsson, Bo T. Lungren
  • Patent number: 4746667
    Abstract: A pharmaceutical preparation containing as active ingredient a compound of the formula ##STR1## or a therapeutically acceptable salt thereof in which formula R.sup.1 and R.sup.2 are the same or different and each selected from the group consisting of H, CF.sub.3, NO.sub.2, --COOCH.sub.3, --COOC.sub.2 H.sub.5, alkyl containing 1-7 carbon atoms, halogen, alkoxy, containing 1-5 carbon atoms, and alkanoyl containing 1-4 carbon atoms;R is selected from the group consisting of H, alkanoyl containing 1-4 carbon atoms, and carboalkoxy containing 2-6 carbon atoms; andR.sup.3, R.sup.4 and R.sup.5, which are the same or different, are each selected from the group consisting of H, CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, OC.sub.2 H.sub.5, OCH.sub.2 CH.sub.2 OCH.sub.3, and OCH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.3 ; provided that(a) at least one of R.sup.3, R.sup.4 and R.sup.5 is selected from the group consisting of CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, OC.sub.2 H.sub.5, OCH.sub.2 CH.sub.2 OCH.sub.3, and OCH.sub.2 CH.sub.2 OCH.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: May 24, 1988
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Hakan S. Larsson, Gunhild W. von Wittken Sundell, Viola I. Samuelsson-Junggren, Kenneth Lundstrom
  • Patent number: 4336267
    Abstract: This invention relates to novel compounds of the general formula ##STR1## Representative compounds within the scope of the invention are ##STR2## The compounds are disclosed as being useful for treating symptoms and signs of cardiac failure by stimulating the .beta.-receptors of the heart. Methods of treatment using these compounds are discussed.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: June 22, 1982
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Nils H. A. Persson, Gustav B. R. Samuelsson, Kjell I. L. Wetterlin
  • Patent number: 4263325
    Abstract: Amines of the formula I ##STR1## method of preparing the same and pharmaceutical compositions and method for treating cardiovascular disorders by blocking the .beta.-receptors of the heart in combination with a peripheral vasodilating activity.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: April 21, 1981
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Gustav B. R. Samuelsson, Bo T. Lundgren
  • Patent number: 4263323
    Abstract: Amines of the formula I ##STR1## method of preparing the same and pharmaceutical compositions and method for treating cardiovascular disorders by blocking the .beta.-receptors of the heart in combination with a peripheral vasodilating activity.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: April 21, 1981
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Gustav B. R. Samuelsson, Bo T. Lundgren
  • Patent number: 4244969
    Abstract: This invention relates to novel compounds of the general formula ##STR1## Representative compounds within the scope of the invention are ##STR2## The compounds are disclosed as being useful for treating symptoms and signs of cardiac failure by stimulating the .beta.-receptors of the heart. Methods of treatment using these compounds are discussed.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: January 13, 1981
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Nils H. A. Persson, Gustav B. R. Samuelsson, Kjell I. L. Wetterlin
  • Patent number: 4165384
    Abstract: An amine of the formula I set forth below ##STR1## and a method for the preparation thereof and treating cardiovascular diseases to exert its .alpha.-receptor blocking activity.
    Type: Grant
    Filed: January 19, 1977
    Date of Patent: August 21, 1979
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Gustav B. R. Samuelsson, Axel K. G. Aberg
  • Patent number: 4161542
    Abstract: Amines of the formula I ##STR1## method of preparing the same and pharmaceutical compositions and methods for treating cardiovascular disorders by blocking the .beta.-receptors of the heart in combination with a peripheral vasodilating activity.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: July 17, 1979
    Assignee: Aktiebolaget Hassle
    Inventors: Enar I. Carlsson, Gustav B. R. Samuelsson, Bo T. Lundgren
  • 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