Patents by Inventor Vincent H. Chang

Vincent H. Chang 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).

  • Modified form of the R(-)-N-(4,4-di(3-methylthien-2-yl)but-3-enyl)-nipecotic acid hydrochloride
    Patent number: 5958951
    Abstract: The present invention provides R(-)-N-(4,4-di(3-methylthien-2-yl)but-3-enyl)-nipecotic acid hydrochloride in its pure and stable anhydrous form.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: September 28, 1999
    Assignee: Novo Nordiskials
    Inventors: Preben Ahrndt, Henning B.o slashed.rge Petersen, Vincent H. Chang, Kimberly Ann Allen, Michael H. Cain
  • Anti-hypertensive tetralins
    Patent number: 5405872
    Abstract: This invention relates to tetralin derivatives useful in medicine for the treatment of hypertension, to the synthesis of the compounds, to the pharmaceutical formulations containing the compounds and the use of the compounds in medical practice.
    Type: Grant
    Filed: March 22, 1993
    Date of Patent: April 11, 1995
    Assignee: Burroughs Wellcome Co.
    Inventors: John D. McDermed, Kevin P. Hurley, Vincent H. Chang, Anjaneyulu S. Tadepalli
  • Anti-hypertensive sulfonanilides
    Patent number: 5194450
    Abstract: The present invention is concerned with compounds of formula (I) ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkoxy;R.sub.2 is carbonyl, hydroxymethylene, or methylene; andR.sub.3 is hydrogen or hydroxy;and salts thereof, provided that when R.sub.1 is hydrogen and R.sub.2 is carbonyl, R.sub.3 is not hydroxy, with processes for preparing same and with their use in medicine for the treatment of hypertension.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: March 16, 1993
    Assignee: Burroughs Wellcome Co.
    Inventors: John D. McDermed, Anjaneyulu S. Tadepalli, Vincent H. Chang, Kevin P. Hurley, Harold S. Freeman
  • Antihypertensive sulfonanilides
    Patent number: 5102914
    Abstract: The present invention is concerned with compounds of formula (I) ##STR1## wherein R.sub.1 is hydrogen;R.sub.2 is carbonyl; andR.sub.3 is hydroxy;and salts thereof, with processes for preparing same and with their use in medicine for the treatment of hypertension.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: April 7, 1992
    Assignee: Burroughs Wellcome Co.
    Inventors: John D. McDermed, Anjaneyulu S. Tadepalli, Vincent H. Chang, Kevin P. Hurley