Patents Examined by Zinna Worthington Davis
  • Patent number: 6534524
    Abstract: Indazole compounds that modulate and/or inhibit the activity of certain protein kinases are described. These compounds and pharmaceutical compositions containing them are capable of mediating tyrosine kinase signal transduction and thereby modulate and/or inhibit unwanted cell proliferation. The invention is also directed to the therapeutic or prophylactic use of pharmaceutical compositions containing such compounds, and to methods of treating cancer and other disease states associated with unwanted angiogenesis and/or cellular proliferation, such as diabetic retinopathy, neovascular glaucoma, rheumatoid arthritis, and psoriasis, by administering effective amounts of such compounds.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: March 18, 2003
    Assignee: Agouron Pharmaceuticals, Inc.
    Inventors: Robert Steven Kania, Steven Lee Bender, Allen J. Borchardt, Stephan James Cripps, Ye Hua, Michael David Johnson, Theodore Otto Johnson, Jr., Hiep The Luu, Cynthia Louise Palmer, Siegfried Heinz Reich, Anna Marie Tempczyk-Russell, Min Teng, Christine Thomas, Michael David Varney, Michael Brennan Wallace, Michael Raymond Collins
  • Patent number: 5017570
    Abstract: Disclosed is a therapeutic agent for the treatment of peripheral circulatory disorders that contains as the effective ingredient a dibenzoxazepin derivative of the following formula or a pharmaceutically acceptable salt thereof: ##STR1## where R.sub.1 is a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group; R.sub.2 is a hydrogen atom or a lower alkyl group; and A signifies the group ##STR2## (where R.sub.3 is a hydrogen atom, a lower alkyl group, an optionally substituted phenyl group or a styryl group). Also, disclosed is a method for treatment of peripheral circulatory disorders by administering the compound of the formula (I) or a pharmaceutically acceptable salt thereof to a patient suffering from such disorders.
    Type: Grant
    Filed: July 24, 1990
    Date of Patent: May 21, 1991
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Yukijumi Noda, Makoto Sugawa, Akira Kohda
  • Patent number: 5013742
    Abstract: Compounds are disclosed of the formula ##STR1## where R.sup.2 is unsubstituted or substituted phenyl, R.sup.3 is lower alkyl, lower cycloalkyl or lower alkoxy lower alkyl, and L is selected from a wide variety of groups. This new class of compounds exhibit improved analgesic and anesthetic properties.
    Type: Grant
    Filed: June 25, 1990
    Date of Patent: May 7, 1991
    Assignee: BOC, Inc.
    Inventors: Linas V. Kudzma, H. Kenneth Spencer, Sherry A. Severnak
  • Patent number: 4927838
    Abstract: The invention relates to compounds of the formula ##STR1## wherein Y and Y' are hydrogen or taken together are O or S, *A is paraphenylene or *----(CH.sub.2).sub.n --(X).sub.s --(CH.sub.2).sub.r ----, X is O, S or --CH.dbd.CH--, n or r, independently, are integers from 0 to 3, m is an integer from 0 to 1, s is an integer from 0 to 1, provided that when s is 1, n+m must be at least 2, t is an integer from 0 to 10, R.sub.1 and R.sub.2, independently, are lower alkyl, lower alkenyl or aryl, or one of R.sub.1 or R.sub.2 is hydrogen and the other is ##STR2## wherein W is ##STR3## --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --, O, S, or ##STR4## and X.sub.1 is lower alkyl, phenyl unsubstituted or mono-, di- or trisubstituted by lower alkoxy, lower alkyl or halogen, and X.sub.2, X.sub.3 and X.sub.4, independently, are hydrogen, lower alkyl, lower alkoxy or halogen, R.sub.3 is hydrogen, lower alkyl or aryl, R.sub.4 is hydrogen, lower alkyl, aryl, aryl-lower alkyl or acyl, R.sub.5 is hydrogen or lower alkyl,R.sub.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: May 22, 1990
    Assignee: Hoffman-La Roche Inc.
    Inventors: Robert W. Guthrie, Richard W. Kierstead, John G. Mullin, Jefferson W. Tilley