Patents Represented by Attorney, Agent or Law Firm Arlene L. Bornilla
  • Method of delivering active material within hydrogel microbeads
    Patent number: 6793937
    Abstract: A method of delivering active material using microbeads comprising droplets of active material entrained in a hydrophilic matrix. Compositions comprising the microbeads may be sprayable. The microbeads of the invention may be controllable by exposing the microbeads to high or low humidity or moisture.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: September 21, 2004
    Assignee: 3M Innovative Properties Company
    Inventor: Douglas Quong