Patents by Inventor Richard Andrew Kendall

Richard Andrew Kendall 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).

  • Method of producing microparticles
    Patent number: 8343545
    Abstract: A method of producing microparticles having a median diameter up to 100 ?m and the microparticles so produced are described. The method includes the steps of providing a solvent having a bioactive dispersed or dissolved therein and a vehicle dissolved therein, carrying out an emulsification in a non-solvent phase to produce an emulsion containing the bioactive and the vehicle in a solvent phase, and evaporating the solvent to leave the microparticles, wherein a mixture of at least two surfactants is employed to stabilize the emulsion and wherein the mixture has a hydrophilic-lipophilic balance (HLB) of up to 8.
    Type: Grant
    Filed: January 19, 2005
    Date of Patent: January 1, 2013
    Assignee: University College London
    Inventors: Abdul Waseh Basit, Richard Andrew Kendall, Sudax Shina Murdan
  • Method of Producing Microparticles
    Publication number: 20080241251
    Abstract: A method of producing microparticles having a median diameter up to 100 ?m and the microparticles so produced are described. The method includes the steps of providing a solvent having a bioactive dispersed or dissolved therein and a vehicle dissolved therein, carrying out an emulsification in a non-solvent phase to produce an emulsion containing the bioactive and the vehicle in a solvent phase, and evaporating the solvent to leave the microparticles, wherein a mixture of at least two surfactants is employed to stabilize the emulsion and wherein the mixture has a hydrophilic-lipophilic balance (HLB) of up to 8.
    Type: Application
    Filed: January 19, 2005
    Publication date: October 2, 2008
    Inventors: Abdul Waseh Basit, Richard Andrew Kendall, Sudax Shina Murdan