Patents by Inventor Simon Firkins

Simon Firkins 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).

  • Guar process monitoring methods
    Patent number: 9102764
    Abstract: Disclosed are methods relating to monitoring the processing of polysaccharides and, in particular, monitoring the processing of guar in order to improve guar yield and/or lower impurity concentration in the wash effluent fluid.
    Type: Grant
    Filed: November 21, 2011
    Date of Patent: August 11, 2015
    Assignee: RHODIA OPERATIONS
    Inventors: Marie-Pierre Labeau, Kraig Luczak, Vincent Monin, Serge Henrot, Aziz Boukhelifa, Simon Firkins
  • Guar process monitoring methods
    Publication number: 20120130065
    Abstract: Disclosed are methods relating to monitoring the processing of polysaccharides and, in particular, monitoring the processing of guar in order to improve guar yield and/or lower impurity concentration in the wash effluent fluid.
    Type: Application
    Filed: November 21, 2011
    Publication date: May 24, 2012
    Applicant: RHODIA OPERATIONS
    Inventors: Marie-Pierre Labeau, Kraig Luczak, Vincent Monin, Serge Henrot, Aziz Boukhelifa, Simon Firkins
  • Sulphonated copolymer and a method for cleaning surfaces
    Patent number: 6300306
    Abstract: A water-soluble or water-dispersible copolymer comprising: at least one polyoxyalkylene (POA) unit; and at least one sulfonated polyamide (PAS) unit; the quantity of SO3M functions, expressed as the mass of SO3− function, in said (PAS) unit or units is such that it represents at least 0.1% of the total mass of said copolymer; the total (POA) units/total (PAS) units mass ratio is 95/5 to 30/70/ the number of amine functions —NH2 present in said copolymer is at most 80 milliequivalents per kilogram of copolymer; the number of carboxyl functions —COOH present in said copolymer is at least 80 milliequivalents, preferably at least 100 milliequivalents per kilogram of copolymers.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: October 9, 2001
    Assignee: Rhodia Chimie
    Inventors: Simon Firkins, Marie-Eve Perier, Sandrine Rochat, Louis Vovelle, Gladys Saliba Gabriel