Patents by Inventor Philip A. Jinks

Philip A. Jinks 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).

  • Aerosol valve with a surfactant impregnated valve seal
    Patent number: 5427282
    Abstract: An aerosol valve having a valve ferrule, a valve stem, and at least one valve seal, in which the valve seal is impregnated with a physiologically acceptable surfactant. The valves of the invention exhibit improved force-to-fire and improved return force compared to valves containing untreated valve seals.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: June 27, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David J. Greenleaf, Peter H. Howarth, Philip A. Jinks
  • Method for preparing medicinal aerosol formulation containing coated medicament
    Patent number: 5348730
    Abstract: A method for preparing a self-propelling, powder dispersing aerosol composition comprising at least 0.0001% by weight of a finely-divided solid medicament coated with a non-perfluorinated surface active dispersing agent which constitutes at least 0.0001% by weight of the coated solid material, and suspended in an aerosol propellant in which the non-perfluorinated surface-active dispersing agent is substantially insoluble. Propellant-insoluble non-perfluorinated surfactants are used to prepare stable dispersions of powdered medicament by way of pre-coating the medicament with the surfactant prior to admixture with propellant.
    Type: Grant
    Filed: March 17, 1993
    Date of Patent: September 20, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David J. Greenleaf, Tarlochan S. Purewal, Philip A. Jinks
  • Drug-containing chlorofluorocarbon aerosol propellent formulations
    Patent number: 4814161
    Abstract: Complete dissolution of a wide range of drugs in chlorofluorocarbon aerosol propellents is achieved by the presence of glycerol phosphatides, preferably phosphatidylcholine.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: March 21, 1989
    Assignee: Riker Laboratories, Inc.
    Inventors: Philip A. Jinks, Alexander Bell, Franz X. Fischer
  • Physically modified beclomethasone dipropionate suitable for use in aerosols
    Patent number: 4810488
    Abstract: A method for preparing a stable aerosol formulation of beclomethasone dipropionate in which the steroid is contacted with an alcohol containing 1 to 5 carbon atoms to form a crystalline solvate therewith, the crystalline material so formed being reduced to a particle size below 10 microns and thereafter dispersed in a composition comprising chlorofluorocarbon propellents.
    Type: Grant
    Filed: August 18, 1986
    Date of Patent: March 7, 1989
    Assignee: Riker Laboratories, Inc.
    Inventor: Philip A. Jinks