Patents by Inventor Milan Sojka

Milan Sojka 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).

  • Cosmetic Composition Containing Thermoplastic Microspheres and Skin Beneficial Agents
    Publication number: 20070071978
    Abstract: The invention relates to thermoplastic hollow microspheres containing one or more skin benefit agents entrapped therein. The microspheres are useful in the topical delayed release of the skin benefit agent.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 29, 2007
    Inventors: Milan Sojka, Phillip Cummins
  • Sustained release compositions and controlled delivery method
    Publication number: 20050129759
    Abstract: A sustained release composition comprising expanded thermoplastic microspheres, an active agent, and an optional release retardant is disclosed. The composition has an improved ability to stabilize and release the active agent over an extended time period.
    Type: Application
    Filed: December 16, 2003
    Publication date: June 16, 2005
    Inventor: Milan Sojka
  • Sustained release compositions and controlled delivery method
    Publication number: 20050002996
    Abstract: A sustained release composition comprising cellulose fibers, an active agent, and an optional release retardant is disclosed. The composition has an improved ability to stabilize and release the active agent over an extended time period.
    Type: Application
    Filed: July 2, 2003
    Publication date: January 6, 2005
    Inventor: Milan Sojka