Patents by Inventor Harry J. Leighton

Harry J. Leighton 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).

  • Publication number: 20100190852
    Abstract: The present invention relates to the use of a pharmaceutically effective amount of an short-acting calcium channel blocking compound to treat ischemic heart conditions, cardiac arrhythmias, hypertensive crisis in an emergency room setting, hypertension before, during, or after surgery, no-reflow phenomenon following reperfusion, and diseases associated with decreased skeletal muscle blood flow. The invention also relates to pharmaceutical compositions formulated for use in such methods and to kits for such methods.
    Type: Application
    Filed: June 19, 2008
    Publication date: July 29, 2010
    Applicant: MILESTONE PHARMACEUTICALS INC.
    Inventors: Martin P. Maguire, Elise Rioux, Harry J. Leighton
  • Patent number: 5019583
    Abstract: N-Phenyl-N-(4-piperdinyl)amide derivatives are disclosed having the general formula (I): ##STR1## wherein X is a member selected from the group consisting of alkoxy-carbonyl-lower alkyl, lower alkyl-carbonyloxy-lower alkyl, alkenyloxy-carbonyl-lower alkyl, and (C.sub.1-2)alkoxy-(C.sub.1-2)-alkoxy-carbonyl-lower alkyl, and Ar, R, R.sup.1 and R.sup.2 are defined hereinafter, including isomeric forms thereof and acid addition salts thereof. The compounds exhibit analgesic activity having relatively short durations of analgesic action. The invention embraces the compounds (I), pharmaceutical compositions of (I) and methods of providing analgesia with (I). Also included are certain novel intermediates for making (I).
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: May 28, 1991
    Assignee: Glaxo Inc.
    Inventors: Paul L. Feldman, Michael K. James, Marcus F. Brackeen, Michael R. Johnson, Harry J. Leighton
  • Patent number: 5017577
    Abstract: The present invention relates to certain novel 8-phenylxanthines substituted in the 3 or 4 position of the phenyl group by an alkenylene, alkenyleneoxy, alkynylene or alkynyleneoxy bearing a terminal acidic grouping, and to their use in human and veterinary therapy, particularly for conditions associated with the cell surface effects of adenosine and in antiviral, especially antiretroviral, chemotherapy.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: May 21, 1991
    Assignee: Burroughs Wellcome Co.
    Inventors: Susan M. Daluge, Harry J. Leighton, Sandra N. Lehrman
  • Patent number: 5015647
    Abstract: The present invention relates to certain novel 8-phenylxanthines substituted in the 3 or 4 position of the phenyl group by an alkenylene, alkenyleneoxy, alkynylene or alkynyleneoxy bearing a terminal acidic grouping, and to their use in human and veterinary therapy, particularly for conditions associated with the cell surface effects of adenosine and in antiviral, especially antiretroviral, chemotherapy.
    Type: Grant
    Filed: July 19, 1989
    Date of Patent: May 14, 1991
    Assignee: Burroughs Wellcome Co.
    Inventors: Susan M. Daluge, Harry J. Leighton, Sandra N. Lehrman
  • Patent number: 4981857
    Abstract: The present invention relates to certain novel 8-phenylxanthines substituted in the 3 or 4 position of the phenyl group by an alkenylene, alkenyleneoxy, alkynylene or alkynyleneoxy bearing a terminal acidic grouping, and to their use in human and veterinary therapy, particularly for conditions associated with the cell surface effects of adenosine.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: January 1, 1991
    Assignee: Burroughs Wellcome Co.
    Inventors: Susan M. Daluge, Harry J. Leighton
  • Patent number: 4923892
    Abstract: The present invention relates to compounds of formula I ##STR1## or a salt, ester or amide thereof; wherein R.sup.1 is --CH.sub.2 --CH.sub.2 --, CH.sub.2 --O-- or --O--CH.sub.2 --; R.sup.2 and R.sup.3 are the same or different and are each hydrogen, C.sub.1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members; R.sup.4 is a single bond or a C.sub.1-7 bivalent aliphatic hydrocarbon group and may be joined to the aromatic ring system at the 2,3,8 or 9 positions; n is 0 to 3, and their use as antihistamine and antiasthma agents.
    Type: Grant
    Filed: May 23, 1989
    Date of Patent: May 8, 1990
    Assignee: Burroughs Wellcome Co.
    Inventors: O. William Lever, Jr., Harry J. Leighton
  • Patent number: 4879296
    Abstract: The present invention relates to certain novel 8-phenylxanthines substituted in the 3 or 4 position of the phenyl group by an alkenylene, alkenyleneoxy, alkynylene or alkynyleneoxy bearing a terminal acidic grouping, and to their use in human and veterinary therapy, particularly for conditions associated with the cell surface effects of adenosine.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: November 7, 1989
    Assignee: Burroughs Wellcome co.
    Inventors: Susan M. Daluge, Harry J. Leighton
  • Patent number: 4871865
    Abstract: The present invention relates to compounds of formula I ##STR1## or a salt, ester or amide thereof; wherein R.sup.1 is --CH.sub.2 --CH.sub.2 --, CH.sub.2 --O-- or --O--CH.sub.2 --; R.sup.2 and R.sup.3 are the same or different and are each hydrogen, C.sub.1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members; R.sup.4 is a single bond or a C.sub.1-7 bivalent aliphatic hydrocarbon group and may be joined to the aromatic ring system at the 2,3,8 or 9 positions; n is 0 to 3, and their use as anithistamine and antiasthma agents.
    Type: Grant
    Filed: August 7, 1986
    Date of Patent: October 3, 1989
    Assignee: Burroughs Wellcome Co.
    Inventors: O. William Lever, Jr., Harry J. Leighton
  • Patent number: 4705854
    Abstract: The present invention relates to compounds of the formula (I): ##STR1## or a salt, ester or amide thereof; wherein R.sup.1 is a C.sub.1-7 bivalent aliphatic hydrocarbon group or a single bond;R.sub.2 and R.sub.3 are the same or different and are each hydrogen, C.sub.1-4 alkyl or taken together with the nitrogen comprise a nitrogen-containing heterocyclic ring having four to six ring members;R.sup.4 is hydrogen, halogen, C.sub.1-4 alkoxy, C.sub.1-4 alkyl optionally substituted by one to three halogen atoms; or a group R.sub.1 CO.sub.2 H as hereinbefore defined; andA is C.sub.1-4 alkylene or ANR.sub.2 R.sub.3 forms a group --CH.sub.2 --(CH.sub.2).sub.2 or CH.sub.2 --(CH.sub.2).sub.2B is an acidic group other than a mono-carboxylic acid group of comparable or greater acid strength than a carboxylic acid group in a similar chemical environment, provided that any sulphonamide group contains at least one N-H bond.
    Type: Grant
    Filed: May 28, 1985
    Date of Patent: November 10, 1987
    Assignee: Burroughs Wellcome Co.
    Inventor: Harry J. Leighton