Patents by Inventor Jan O. Gaarder

Jan O. Gaarder 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).

  • 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