Patents by Inventor Jeffrey D. Hsi

Jeffrey D. Hsi 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).

  • Heterocyclic intermediates
    Patent number: 5382666
    Abstract: Biphenylyl tetrazoles for treating hypertension in mammals of the formula: ##STR1## where X is CH.sub.2, O, S, N--R.sup.4, NH, NCHO, NCOCH.sub.3 or NCO.sub.2 R.sup.4 ;R.sup.1 and R.sup.2 are the same or different and are C.sub.1-6 alkyl; andR.sup.4 is C.sub.1-6 alkyl;including methods and intermediates for the production of the same.
    Type: Grant
    Filed: October 20, 1993
    Date of Patent: January 17, 1995
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Jeffrey D. Hsi, William V. Murray
  • Angiotensin II inhibitors
    Patent number: 5256658
    Abstract: Biphenylyl tetrazoles for treating hypertension in mammals of the formula: ##STR1## where X is CH.sub.2, O, S, N--R.sup.4, NH, NCHO, NCOCH.sub.3 or NCO.sub.2 R.sup.4 ;R.sup.1 and R.sup.2 are the same or different and are C.sub.1-6 alkyl; andR.sup.4 is C.sub.1-6 alkyl;including methods and intermediates for the production of the same.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: October 26, 1993
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Jeffrey D. Hsi, William V. Murray