Patents by Inventor Lise A. Hughes

Lise A. Hughes 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).

  • Phenylindolines
    Patent number: 4153789
    Abstract: The present invention is concerned with novel 2-unsubstituted-3-phenylindolines acid addition salts thereof. These compounds have been found to have valuable pharmacological properties indicative of possible utility, inter alia, of controlling coagulation of the blood and as hypoglycemic agents. The invention also provides novel processes for producing the novel compounds and pharmaceutical compositions containing same as active ingredients.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: May 8, 1979
    Assignee: Delmar Chemicals Limited
    Inventors: Rudolf Kubela, Vaclav Musil, Lise A. Hughes
  • 3-Phenylindolines
    Patent number: 4138494
    Abstract: The present invention is concerned with novel 2-unsubstituted-3-phenylindolines and acid addition salts thereof. These compounds have been found to have a valuable pharmacological property indicative of possible utility in controlling coagulation of the blood.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: February 6, 1979
    Assignee: Delmar Chemicals Limited
    Inventors: Rudolf Kubela, Vaclav Musil, Lise A. Hughes
  • Phenylindolines and process for their production
    Patent number: 4080330
    Abstract: The present invention is concerned with novel 2-unsubstituted-3-phenylindolines and acid addition salts thereof. These compounds have been found to have valuable pharmacological properties indicative of possible utility, inter alia, of controlling coagulation of the blood and as hypoglycemic agents. The invention also provides novel processes for producing the novel compounds and pharmaceutical compositions containing same as active ingredients.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: March 21, 1978
    Assignee: Delmar Chemicals Limited
    Inventors: Rudolf Kubela, Vaclav Musil, Lise A. Hughes
  • 2,3-Disubstituted 7-oxabicyclo-[2.2.1]-5-heptene
    Patent number: 3980674
    Abstract: The present invention is concerned with novel 7-oxabicyclo-[2.2.1]-5-heptene derivatives and a process for their production. These compounds are useful intermediates in the production of various pharmacologically active compounds.
    Type: Grant
    Filed: January 28, 1974
    Date of Patent: September 14, 1976
    Assignee: Delmar Chemicals Limited
    Inventors: Rudolf Kubela, Lise A. Hughes
  • Novel phthalazinone compounds
    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
  • Novel cyclopentene and cyclopentane derivatives
    Patent number: 3957795
    Abstract: The present invention is concerned with novel cyclopentene and cyclopentane derivatives which have pharmacological, particularly analgesic and antiinflammatory activity, and are also useful intermediates in the preparation of other pharmacologically active compounds.
    Type: Grant
    Filed: January 28, 1974
    Date of Patent: May 18, 1976
    Assignee: Delmar Chemicals Limited
    Inventors: Rudolf Kubela, Lise A. Hughes