Patents by Inventor Ctirad Podesva

Ctirad Podesva 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: 3966761
    Abstract: This invention provides novel tertiary aminoindazole compounds of the following general formula: ##SPC1##Wherein R represents a hydrogen or halogen atom; R.sub.1 represents an alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; R.sub.2 and R.sub.3 both represent a lower alkyl or aralkyl group and W represents a branched chain alkylene group, and salts, especially acid addition and quaternary ammonium salts thereof, and processes for making them. Such compounds are pharmacologically active in that they exhibit antiinflammatory and analgesic effects so the invention also provides pharmaceutical compositions containing one or more of these compounds as the active ingredient. They are also useful anti-microbial agents.
    Type: Grant
    Filed: February 7, 1974
    Date of Patent: June 29, 1976
    Assignee: Delmar Chemicals Limited
    Inventors: Ctirad Podesva, William T. Scott
  • Patent number: 3957776
    Abstract: Certain 2-substituted-4-substituted-1(2H)-phthalazinone compounds have hypotensive activity. Such compounds are used in pharmaceutical compositions. Processes of preparing them and the intermediate compounds are disclosed.
    Type: Grant
    Filed: February 28, 1973
    Date of Patent: May 18, 1976
    Assignee: Delmar Chemicals Limited
    Inventors: Ctirad Podesva, Lise A. Hughes
  • Patent number: 3953448
    Abstract: Novel 1,4-disubstituted piperazine compounds and pharmaceutical compositions incorporating such compounds in conjunction with orally, parenterally or rectally administrable pharmaceutically acceptable carriers are disclosed. These compounds have coronary vasodilating properties. Also disclosed are processes for preparing these compounds, and novel intermediate compounds used in such processes.
    Type: Grant
    Filed: December 7, 1972
    Date of Patent: April 27, 1976
    Assignee: Delmar Chemicals Limited
    Inventors: Ctirad Podesva, William T. Scott, David W. Henson