Patents by Inventor Anshu M. Gupta

Anshu M. Gupta 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).

  • Encapsulated bleach particles
    Patent number: 5747441
    Abstract: An encapsulated bleach particle is provided, comprising(a) 1-30% by weight of a coating including a gelled polymer material (as herein defined);(b) 99-70% by weight of a core material selected from the group consisting of a peroxygen bleach compound, a bleach catalyst, and a bleach precursor.This particle was found to have both favourable storage stability and good solubility characteristics. Furthermore, a process for producing encapsulated particles having said composition is provided.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: May 5, 1998
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Bastiaan Domburg, Anshu M. Gupta, Hendrik de Ruijter, Antonius Henricus J. Strijbosch