Patents by Inventor Terence P. Y. Au Yeung

Terence P. Y. Au Yeung 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 preparing biological materials and preparations produced using same
    Patent number: 6974594
    Abstract: Methods for preparing products containing moisture-sensitive materials, including biological materials such as proteins, peptides or live cells, comprising at least the steps: (i) providing a coating liquid comprising at least one active, a sugar polymer and a water soluble/miscible solvent; (ii) providing a quantity of microparticles comprising at least water soluble gel forming solid particles; (iii) fluidizing said quantity of microparticles within a processing chamber of a of a suitable apparatus to form a fluidized bed of said microparticles; (iv) spraying said coating liquid onto said fluidized bed from beneath the fluidized bed to coat said microparticles therewith under saturated moisture conditions; and (vi) allowing coated microparticles to dry, are described. Also described are compositions and uses.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: December 13, 2005
    Assignee: Gainful Plan Limited
    Inventors: Thomas S. Y. Ko, Terence P. Y. Au Yeung
  • Method of preparing biological materials and preparations produced using same
    Publication number: 20030012819
    Abstract: Methods for preparing products containing moisture-sensitive materials, including biological materials such as proteins, peptides or live cells, comprising at least the steps: (i) providing a coating liquid comprising at least one active, a sugar polymer and a water soluble/miscible solvent; (ii) providing a quantity of microparticles comprising at least water soluble gel forming solid particles; (iii) fluidizing said quantity of microparticles within a processing chamber of a of a suitable apparatus to form a fluidized bed of said microparticles; (iv) spraying said coating liquid onto said fluidized bed from beneath the fluidized bed to coat said microparticles therewith under saturated moisture conditions; and (vi) allowing coated microparticles to dry, are described. Also described are compositions and uses.
    Type: Application
    Filed: January 25, 2002
    Publication date: January 16, 2003
    Inventors: Thomas S.Y. Ko, Terence P.Y. Au Yeung