Patents by Inventor William John Coates

William John Coates 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).

  • Pyridazinethiones
    Patent number: 4111936
    Abstract: Substituted phenyl pyridazinethiones which are useful intermediates in the preparation of substituted phenylhydrazinopyridazines which have .beta.-adrenergic blocking and vasodilator activity.
    Type: Grant
    Filed: July 19, 1977
    Date of Patent: September 5, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater, Edwin Michael Taylor
  • 3-Chloro-6-phenylpyridazine compounds
    Patent number: 4111935
    Abstract: Substituted derivatives of 3-chloro-6-phenylpyridazine which are useful intermediates in the preparation of substituted phenylhydrazinopyridazines which have .beta.-adrenergic blocking and vasodilator activity.
    Type: Grant
    Filed: July 19, 1977
    Date of Patent: September 5, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater, Edwin Michael Taylor
  • 3-(3-(3-Substituted amino-2-hydroxypropoxy)phenyl)-6-hydrazino pyridazines and their use as vasodilators and .beta.-adrenergic blocking agents
    Patent number: 4082843
    Abstract: The compounds are 3-(3-(3-substituted amino-2-hydroxypropoxy)phenyl)-6-hydrazino pyridazines which have .beta.-adrenergic blocking and vasodilator activity.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: April 4, 1978
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater, Edwin Michael Taylor
  • 3-Substituted-phenyl-6-hydrazine pyridazines
    Patent number: 4053601
    Abstract: The compounds are 3-((3-substituted amino-2-hydroxypropoxy)-phenyl)-6-hydrazino pyridazines which have .beta.-adrenergic blocking and vasodilator activity.
    Type: Grant
    Filed: June 3, 1975
    Date of Patent: October 11, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater, Edwin Michael Taylor
  • Pharmaceutical compositions and methods of inhibiting .beta.-adrenergic receptors
    Patent number: 4011321
    Abstract: The compounds are 6-(3-substituted amino-2-hydroxypropoxyaryl)-4,5-dihydro-3(2H)-pyridazinones which are .beta.-adrenergic blocking agents.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: March 8, 1977
    Assignee: Smith Kline & French Laboratories Limited
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater
  • 6-(3-Substituted amino-2-hydroxypropoxyaryl)-4,5-dihydro-3(2H)-pyridazinones
    Patent number: 3931177
    Abstract: The compounds are 6-(3-substituted amino-2-hydroxypropoxyaryl)-4,5-dihydro-3(2H)-pyridazinones which are .beta.-adrenergic blocking agents.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: January 6, 1976
    Assignee: Smith Kline & French Laboratories, Inc.
    Inventors: William John Coates, Anthony Maitland Roe, Robert Antony Slater