Patents by Inventor Warren N. Beverung, Jr.

Warren N. Beverung, Jr. 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).

  • Alkyl 5,6-dichloro-3,4-dihydro-2(1H)-iminoquinazoline-3-acetate hydrohalides
    Patent number: 4146718
    Abstract: The known blood platelet antiaggregative agent 6,7-dichloro-1,5-dihydroimidazo[2,1-b]quinazolin-2(3H)-one is prepared in high yield via an improved process involving a novel intermediate of the Formula ##STR1## in which R.sup.1 is (lower)alkyl and X is bromo, chloro or iodo.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: March 27, 1979
    Assignee: Bristol-Myers Company
    Inventors: Thomas A. Jenks, Warren N. Beverung, Jr., Richard A. Partyka
  • Optionally substituted 1,2,3,5-tetrahydroimidezo(2,1-b)-quinazolin-2-ones and 6(H)-1,2,3,4-tetrahydropyimido(2,1-b)quinazolin-2-ones
    Patent number: RE31617
    Abstract: Optionally substituted 1,2,3,5-tetrahydroimidazol[2,1-b]-quinazolin-2-ones and 6-[H]-1,2,3,4-tetrahydropyrimidol[2,1-b]quinazolin-2-ones or the pharmaceutically acceptable salts thereof are compounds useful as blood platelet anti-aggregative and/or antihypertensive and/or bronchodilator agents in mammals, including humans.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: June 26, 1984
    Assignee: Bristol-Myers Company
    Inventors: Warren N. Beverung, Jr., Richard A. Partyka