Patents by Inventor Lewis J. Baskeyfield

Lewis J. Baskeyfield 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).

  • Pharmaceutical inhalation compositions
    Patent number: 5607662
    Abstract: A non-pressurized pharmaceutical inhalation composition includes a therapeutically effective amount of a particulate inhalation medicament. The medicament has a mass median diameter in the range 0.01 to 15 .mu.m. A particulate polysaccharide entrapped flavoring agent is included in the composition and has a mass median diameter in the range of 10 to 200 .mu.m. The composition can be used to practice a method for treatment of reversible obstructive airway disease which includes administering the pharmaceutical composition to a patient.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: March 4, 1997
    Assignee: Fisons, PLC
    Inventors: Lewis J. Baskeyfield, Graham F. Jay, Paul Wright
  • Aqueous pharmaceutical formulations of sodium cromoglycate
    Patent number: 5475023
    Abstract: A pharmaceutical formulation comprising a substantially clear aqueous solution having a viscosity of less than 10 mPa.s containing 3.5 to 5% w/v of 1,3-bis(2-carboxychromon-5-yloxy)-propan-2-ol, or a pharmaceutically acceptable salt thereof, as active ingredient and glycerol, the concentration of ions of metals of groups IIA, IB, IIB and IVB of the periodic table or of transition metals being less than 20 ppm.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: December 12, 1995
    Assignee: Fisons plc
    Inventors: Lewis J. Baskeyfield, Graham F. Jay, Steven P. Probert
  • Method for the production of 6-hydroxy-1,2,3,4-tetrahydronaphthalene
    Patent number: 4182916
    Abstract: There is described a process for the production of 6-hydroxy-1,2,3,4-tetrahydronaphthalene of formula I, ##STR1## which comprises treatment of beta naphthol with an absorbant, removal of the absorbant and selective hydrogenation of the resulting beta naphthol, preferably in a solvent which is inert under the reaction conditions. There is also described a process for the production of a compound of formula I using a rhodium catalyst.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: January 8, 1980
    Assignee: Fisons Limited
    Inventors: Lewis J. Baskeyfield, John D. Bell, John Townend, Simon D. A. Pollock