Patents by Inventor Carolina Hanna Matilda Andersson

Carolina Hanna Matilda Andersson 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).

  • Well treatment fluid compositions and methods of use that include a delayed release percarbonate formulation
    Patent number: 8501670
    Abstract: A well treatment fluid and method of use includes water, at least one hydratable polymer, an optional crosslinking agent, and a delayed release percarbonate formulation effective to reduce initial viscosity of the fluid after a period of time. Also disclosed are processes for fracturing a subterranean formation.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: August 6, 2013
    Assignee: Kemira Chemicals Inc.
    Inventors: Carolina Hanna Matilda Andersson, Mona Ezzelarab, Cecilla Eva Maria Johansson, Carl Wilhelm Aften, Walter Philip Watson, Richard Anthony Lalama, Geoffrey Allen Monteith, Frank Schinkel
  • WELL TREATMENT FLUID COMPOSITIONS AND METHODS OF USE THAT INCLUDE A DELAYED RELEASE PERCARBONATE FORMULATION
    Publication number: 20110278008
    Abstract: A well treatment fluid and method of use includes water, at least one hydratable polymer, an optional crosslinking agent, and a delayed release percarbonate formulation effective to reduce initial viscosity of the fluid after a period of time. Also disclosed are processes for fracturing a subterranean formation.
    Type: Application
    Filed: July 28, 2011
    Publication date: November 17, 2011
    Inventors: Carolina Hanna Matilda Andersson, Mona Ezzelarab, Cecilia Eva Maria Johansson, Carl Wilhelm Aften, Walter Philip Watson, Richard Anthony Lalama, Geoffrey Allen Monteith, Frank Schinkel
  • WELL TREATMENT FLUID COMPOSITIONS AND METHODS OF USE THAT INCLUDE A DELAYED RELEASE PERCARBONATE FORMULATION
    Publication number: 20090095472
    Abstract: A well treatment fluid and method of use includes water, at least one hydratable polymer, an optional crosslinking agent, and a delayed release percarbonate formulation effective to reduce initial viscosity of the fluid after a period of time. Also disclosed are processes for fracturing a subterranean formation.
    Type: Application
    Filed: October 15, 2008
    Publication date: April 16, 2009
    Applicant: KEMIRA CHEMICALS INC.
    Inventors: Carolina Hanna Matilda Andersson, Mona Ezzelarab, Cecilia Eva Maria Johansson, Carl Wilhelm Aften, Walter Philip Watson, Richard Anthony Lalama, Geoffrey Allen Monteith, Frank Schinkel