Patents by Inventor Galina Barinshteyn

Galina Barinshteyn 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).

  • Encapsulation process and encapsulated products
    Patent number: 6248364
    Abstract: A process for encapsulating a partially water-miscible organic material within a polyurea or polyurethane shell is provided utilizing a water-soluble tertiary amine in the reaction dispersion. Microcapsules and methods of using microcapsules are also provided.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: June 19, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Ashok Sengupta, Kent E. Nielsen, Galina Barinshteyn, Kai Li
  • Suspensions of microcapsules containing biologically active ingredients and adhesive microspheres
    Patent number: 6080418
    Abstract: A composition comprising two suspensions: A) an aqueous suspension of microcapsules containing biologically active materials and B) an adhesive suspension of adhesive microspheres. The composition is useful for adhering microencapsulated biologically active material onto an intended substrate.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: June 27, 2000
    Assignee: 3M Innovative Properties Company
    Inventors: Ashok Sengupta, Kent E. Nielsen, Galina Barinshteyn, Kai Li, John P. Banovetz