Patents by Inventor Kimberly Soraya Yang

Kimberly Soraya Yang 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).

  • Bleaching of substrates
    Patent number: 9115463
    Abstract: The present invention concerns the treatment of substrates with a preformed transition metal catalyst in an aqueous solution. The transitional metal catalyst is a dinuclear Mn transitional metal catalyst and its ligand has the following formula (I): and p is 3.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: August 25, 2015
    Assignee: Catexel Limited
    Inventors: Ronald Hage, Fabien Pierre Guy Gaulard, Kimberly Soraya Yang
  • FREENESS OF PAPER PRODUCTS
    Publication number: 20140000824
    Abstract: The present invention provides for the optimisation of conditions for treating pulp with a catalyst and hydrogen peroxide to produce a Freeness value (SR) in a web produced from the treated pulp such that the energy required in mechanical agitation of the pulp is reduced.
    Type: Application
    Filed: May 9, 2011
    Publication date: January 2, 2014
    Applicant: CATEXEL LIMITED
    Inventors: Ronald Hage, Kimberly Soraya Yang
  • Bleaching of Substrates
    Publication number: 20130137620
    Abstract: The present invention concerns the treatment of substrates with a preformed transition metal catalyst in an aqueous solution. The transitional metal catalyst is a dinuclear Mn transitional metal catalyst and its ligand has the following formula (I): and p is 3.
    Type: Application
    Filed: April 15, 2011
    Publication date: May 30, 2013
    Applicant: CATEXEL LIMITED
    Inventors: Ronald Hage, Fabien Pierre Guy Gaulard, Kimberly Soraya Yang
  • FREENESS OF PAPER PRODUCTS
    Publication number: 20130126111
    Abstract: The present invention provides for the optimisation of conditions for treating pulp with a catalyst and hydrogen peroxide to produce a Freeness value (SR) in a web produced from the treated pulp such that the energy required in mechanical agitation of the pulp is reduced.
    Type: Application
    Filed: September 5, 2011
    Publication date: May 23, 2013
    Applicant: CATEXEL LIMITED
    Inventors: Ronald Hage, Kimberly Soraya Yang