Patents by Inventor Sven E. Sjostrand

Sven E. Sjostrand 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).

  • Synergistic combination of a substance with gastric acid secretion inhibiting effect and an acid degradable antibiotic
    Patent number: 5633244
    Abstract: A synergistic pharmaceutical combination or composition is disclosed for the treatment of gastritis and peptic ulcer containing a therapeutic amount of a histamine H.sub.2 receptor blocking agent, which increases intragastric pH, and an acid degradable antibacterial compound. In particular, the combination is directed to the treatment of infections by Helicobacter pylori by raising the bioavailability of acid degradable antibacterial compounds.
    Type: Grant
    Filed: May 16, 1995
    Date of Patent: May 27, 1997
    Assignee: Astra Aktiebolag
    Inventors: Arne T. Eek, Sven E. Sjostrand
  • Substituted 2-(-benzimidazolyl)pyridines
    Patent number: 4508905
    Abstract: The present invention relates to novel compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each hydrogen, alkyl, halogen, carbomethoxy, carbethoxy, alkoxy, or alkanoyl, R.sup.6 is hydrogen, methyl or ethyl, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are each hydrogen, methyl, methoxy, ethoxy, methoxyethoxy or ethoxyethoxy whereby R.sup.3, R.sup.4 and R.sup.5 are not all hydrogen, and whereby when two of R.sup.3, R.sup.4 and R.sup.5 are hydrogen the third of R.sup.3, R.sup.4 and R.sup.5 is not methyl. The compounds are potent gastric acid secretion inhibitors.
    Type: Grant
    Filed: April 6, 1983
    Date of Patent: April 2, 1985
    Assignee: Aktiebolaget Hassle
    Inventors: Ulf K. Junggren, Sven E. Sjostrand
  • Gastric acid secretion inhibiting substituted 2-(2-benzimidazolyl)-pyridines, their preparation, pharmaceutical preparations containing same, and method for inhibiting gastric acid secretion
    Patent number: 4337257
    Abstract: The present invention relates to novel compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each hydrogen, alkyl, halogen, carbomethoxy, carbethoxy, alkoxy, or alkanoyl, R.sup.6 is hydrogen, methyl or ethyl, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are each hydrogen, methyl, methoxy, ethoxy, methoxyethoxy or ethoxyethoxy whereby R.sup.3, R.sup.4 and R.sup.5 are not all hydrogen, and whereby when two of R.sup.3, R.sup.4 and R.sup.5 are hydrogen the third of R.sup.3, R.sup.4 and R.sup.5 is not methyl. The compounds are potent gastric acid secretion inhibitors.
    Type: Grant
    Filed: May 19, 1980
    Date of Patent: June 29, 1982
    Assignee: Aktiebolaget Hassle
    Inventors: Ulf K. Junggren, Sven E. Sjostrand
  • Gastric acid secretion inhibiting substituted 2-(2-benzimidazolyl)-pyridines, pharmaceutical preparations containing same, and method for inhibiting gastric acid secretion
    Patent number: 4255431
    Abstract: The present invention relates to novel compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are each hydrogen, alkyl, halogen, carbomethoxy, carbethoxy, alkoxy, or alkanoyl, R.sup.6 is hydrogen, methyl or ethyl, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are each hydrogen, methyl, methoxy, ethoxy, methoxyethoxy or ethoxyethoxy whereby R.sup.3, R.sup.4 and R.sup.5 are not all hydrogen, and whereby when two of R.sup.3, R.sup.4 and R.sup.5 are hydrogen the third of R.sup.3, R.sup.4 and R.sup.5 is not methyl. The compounds are potent gastric acid secretion inhibitors.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: March 10, 1981
    Assignee: Aktiebolaget Hassle
    Inventors: Ulf K. Junggren, Sven E. Sjostrand
  • 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