Patents by Inventor Roger Brace

Roger Brace 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).

  • Detergent composition containing modified dioctanedral fabric softening clay having from 100-10,000 micrograms of non-exchangeable lithium per gram of clay
    Patent number: 5234620
    Abstract: The invention relates to fabric softening clays, detergent compositions comprising clays and processes for producing the clays. The fabric softening clays are dioctahedral 2:1 layer phyllosilicates comprising at least 100 micrograms of lithium per gram of clay mineral. Problems of poor clay color may be overcome.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: August 10, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Roger Brace, Andrew P. Chapple, Peter Graham
  • Process for preparing a fabric softening lithium exchanged clay
    Patent number: 5102562
    Abstract: The invention relates to fabric softening clays, detergent compositions comprising clays and processes for producing the clays. The fabric softening clays are dioctahedral 2:1 layer phyllosilicates comprising at least 100 micrograms of lithium per gram of clay mineral. Problems of poor clay color may be overcome.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: April 7, 1992
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Roger Brace, Andrew P. Chapple, Peter Graham
  • Aluminosilicates
    Patent number: 4661333
    Abstract: This invention provides novel amorphous aluminosilicates having useful ion exchange properties and resistance to reaction with sodium silicate when used in detergent compositions. The invention also discloses routes to manufacture of the novel aluminosilicates.
    Type: Grant
    Filed: June 20, 1983
    Date of Patent: April 28, 1987
    Assignee: Internationale Octrooi Maatschappij "Octropa" BV
    Inventors: Colin Atkinson, Roger Brace, Nathan Burak
  • Detergent compositions
    Patent number: 4189396
    Abstract: This invention relates to detergent compositions which contain an amount of a water-soluble titanium or zirconium peroxo compound which in the composition provides a building and/or bleaching effect.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: February 19, 1980
    Assignee: Lever Brothers Company
    Inventors: Roger Brace, Christopher J. Adams