Patents by Inventor Alexander Gutcait

Alexander Gutcait 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).

  • Optically active 2,3-dihydroimidazo(1,2-C) quinazoline derivatives, the preparation and antihypertensive use thereof
    Patent number: 5932584
    Abstract: This invention relates to novel optically active 3-substituted methyl-5-methylthio-2,3-dihydroimidazo?1,2-c!quinazoline (I) and 3-substituted methyl-2,3-dihydroimidazo?1,2-c!quinazolin-5(6H)-one (II). This invention also relates to the therapeutical use of these novel compounds ##STR1## wherein: R is halogen, hydrogen, methoxy, trifluoromethyl, C.sub.1 -C.sub.4 alkyl, nitro, acetyl, cyano or hydroxy group; or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: August 3, 1999
    Assignee: National Science Council
    Inventors: Ji-Wang Chern, Alexander Gutcait, Hsiu-Wen Liu, Kuang-Chao Wang