Patents by Inventor Paul C. Unangst

Paul C. Unangst 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).

  • 3-[2-(Mono-and dialkylamino)propyl]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-C]pyridin- 5-ones useful for treating bronchospastic diseases
    Patent number: 4382939
    Abstract: Anticholinergic 3-[2-(mono- and dialkylamino)-propyl]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-c]-pyridin- 5-ones useful for treating bronchospastic diseases in mammals are disclosed. Also disclosed are methods for preparing said compounds, pharmaceutical compositions containing them and methods for using said pharmaceutical compositions.A method for preparing the intermediate which is required to prepare the unsubstituted benzopyrano-[3,4-c]pyridin-5-ones of the invention is also disclosed.
    Type: Grant
    Filed: February 23, 1982
    Date of Patent: May 10, 1983
    Assignee: Warner Lambert Company
    Inventors: David T. Connor, Charles F. Schwender, Roderick J. Sorenson, Paul C. Unangst
  • Indolopyrone tetrazoles and carboxamidotetrazoles having antiallergic activity
    Patent number: 4316904
    Abstract: Certain novel indolopyrone tetrazoles, carboxamidotetrazoles and their pharmaceutically acceptable salts are disclosed. These compounds are useful as antiallergic agents in mammals.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: February 23, 1982
    Inventors: Richard E. Brown, Paul C. Unangst
  • Indolopyrones having anti-allergic activity
    Patent number: 4188326
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: February 12, 1980
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • Indolopyrones having antiallergic activity
    Patent number: 4175083
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: November 20, 1979
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • Process for the preparation of indolopyrones
    Patent number: 4148806
    Abstract: This invention relates to a novel process for preparing a group of novel substituted indolopyrones.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: April 10, 1979
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst, Frank Fontsere, Arthur C. Fabian
  • Indolopyrones having antiallergic activity
    Patent number: 4110464
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: August 29, 1978
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • 2-Methylsulfonylacetyl-3-indolol
    Patent number: 4087443
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: May 2, 1978
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • Indolopyrones having antiallergic activity
    Patent number: 4028383
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: June 7, 1977
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst