Patents Examined by Van Hoa Le
  • Patent number: 4822510
    Abstract: An aqueous liquid bleaching composition is described having a pH from 1 to 6.5 and comprising 4,4'-sulfonylbisperoxybenzoic acid stably suspended by a surfactant system.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: April 18, 1989
    Assignee: Lever Brothers Company
    Inventors: Stephen A. Madison, Leonora M. Ilardi, Patricia Liberati, Joshua Schwarz