Patents by Inventor Hugh West

Hugh West 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).

  • Publication number: 20200040525
    Abstract: Pulps, cellulose ether products, and methods of making pulps are described.
    Type: Application
    Filed: August 16, 2018
    Publication date: February 6, 2020
    Applicant: INTERNATIONAL PAPER COMPANY
    Inventors: Mengkui Luo, Michael Rea, Angela Dodd, Andrew Dodd, Amy Anderson-Gaber, Kris Lindenauer, Hugh West, Charles Miller
  • Publication number: 20190358360
    Abstract: Absorbent materials configured to sequester trimethylamine (TMA), absorbent articles made therefrom, related methods of use, methods of measuring a reduction of free TMA, and related methods of making absorbent articles are described.
    Type: Application
    Filed: May 25, 2018
    Publication date: November 28, 2019
    Applicant: International Paper Company
    Inventors: Mary Virginia Schoolfield, Hugh West
  • Publication number: 20190169799
    Abstract: Pulp sheets produced from Southern pine fibers are disclosed. Embodiments in which the fibers have a fiber length to coarseness ratio equal to or greater than 0.11, with fiber length (LWAFL) in mm and coarseness in mg/100 m, are found to impart stiffness properties to tissue grade handsheets made therefrom comparable to those achieved using of standard NBSK. Embodiments in which the fibers have a low coarseness (of from about 16 to about 20 mg/100 m, at a fiber length (LWAFL) of from about 1.6 to about 3.0 mm) are found to impart wicking properties to absorbent structures made therefrom that are improved relative to those achieved using standard high coarseness SBSK.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 6, 2019
    Applicant: International Paper Company
    Inventors: Amar N. Neogi, Hugh West, Richard W. Heineman, JR.
  • Patent number: 9809928
    Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 30 mm2 and equal to or greater than 8 mm2, the height of the particle, the perpendicular distance between the bases, being equal to or greater than 0.9 mm and equal to or less than 5 mm.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: November 7, 2017
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: David E Fish, Hugh West, Linda A Beltz
  • Patent number: 9708760
    Abstract: Esterified cellulose pulp compositions produced in high yield from commercially available wood pulp sources, methods for making the esterified cellulose pulp compositions, and articles prepared from the esterified cellulose pulp compositions.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: July 18, 2017
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Mengkui Luo, Angela Dodd, Hugh West, Amar Neogi, Karen D. Brogan
  • Publication number: 20160244916
    Abstract: Pulp sheets produced from Southern pine fibers are disclosed. Embodiments in which the fibers have a fiber length to coarseness ratio equal to or greater than 0.11, with fiber length (LWAFL) in mm and coarseness in mg/100 m, are found to impart stiffness properties to tissue grade handsheets made therefrom comparable to those achieved using of standard NBSK. Embodiments in which the fibers have a low coarseness (of from about 16 to about 20 mg/100 m, at a fiber length (LWAFL) of from about 1.6 to about 3.0 mm) are found to impart wicking properties to absorbent structures made therefrom that are improved relative to those achieved using standard high coarseness SBSK.
    Type: Application
    Filed: February 20, 2015
    Publication date: August 25, 2016
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Amar N. Neogi, Hugh West, Richard W. Heineman, JR.
  • Publication number: 20150376835
    Abstract: Esterified cellulose pulp compositions produced in high yield from commercially available wood pulp sources, methods for making the esterified cellulose pulp compositions, and articles prepared from the esterified cellulose pulp compositions.
    Type: Application
    Filed: June 30, 2014
    Publication date: December 31, 2015
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Mengkui Luo, Angela Dodd, Hugh West, Amar Neogi, Karen D. Brogan
  • Publication number: 20150376836
    Abstract: Esterified cellulose pulp compositions produced in high yield from commercially available wood pulp sources, methods for making the esterified cellulose pulp compositions, and articles prepared from the esterified cellulose pulp compositions.
    Type: Application
    Filed: June 30, 2014
    Publication date: December 31, 2015
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: Mengkui Luo, Angela Dodd, Hugh West, Amar Neogi, Karen D. Brogan
  • Patent number: 9222223
    Abstract: Esterified cellulose pulp compositions produced in high yield from commercially available wood pulp sources, methods for making the esterified cellulose pulp compositions, and articles prepared from the esterified cellulose pulp compositions.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: December 29, 2015
    Assignee: Weyerhaeuser NR Company
    Inventors: Mengkui Luo, Angela Dodd, Hugh West, Amar Neogi, Karen D. Brogan
  • Patent number: 8317914
    Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with cationic or nonionic oil. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: November 27, 2012
    Assignee: Weyerhaeuer NR Company
    Inventors: Robert T Hamilton, David J O'Callaghan, Hugh West
  • Patent number: 8241419
    Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with oil which is bound to the fiber by a retention aid. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: August 14, 2012
    Assignee: Weyerhaeuser NR Company
    Inventors: Robert T Hamilton, David J O'Callaghan, Hugh West
  • Publication number: 20100300330
    Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with oil which is bound to the fiber by a retention aid. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
    Type: Application
    Filed: May 29, 2009
    Publication date: December 2, 2010
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: ROBERT T. HAMILTON, David J. O'Callaghan, Hugh West
  • Publication number: 20100300329
    Abstract: A building material product comprising a cementitious binder, an aggregate and cellulose reinforcing fibers wherein the cellulose reinforcing fibers have been treated with cationic or nonionic oil. The resulting fiber when included in a fiber cement composite results in improved deflection of the composite at peak loading as well as improved impact strength while maintaining overall board strength.
    Type: Application
    Filed: May 29, 2009
    Publication date: December 2, 2010
    Applicant: WEYERHAEUSER NR COMPANY
    Inventors: ROBERT T. HAMILTON, DAVID J. O'CALLAGHAN, HUGH WEST
  • Patent number: 7838111
    Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 35 mm2 and equal to or greater than 8 mm2, the distance between the bases being equal to or greater than 0.9 mm and equal to or less than 5 mm, the particle being treated with a material. In some embodiments the material can be a hydrophilic, hydrophobic or softening chemical or a film.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: November 23, 2010
    Assignee: Weyerhaeuser NR Company
    Inventors: David E Fish, Hugh West, Linda A Beltz
  • Patent number: 7828936
    Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of dipolar aprotic intercrystalline swelling agent to ionic liquid is 0.05 to 1.5 moles of dipolar aprotic intercrystalline swelling agent to 1 mole of ionic liquid. Dipolar aprotic intercrystalline swelling agents do not include imidazole based agents or amine based agents.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: November 9, 2010
    Assignee: Weyerhaeuser NR Company
    Inventors: Mengkui Luo, Amar N Neogi, Hugh West
  • Publication number: 20090088564
    Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a dipolar aprotic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of dipolar aprotic intercrystalline swelling agent to ionic liquid is 0.05 to 1.5 moles of dipolar aprotic intercrystalline swelling agent to 1 mole of ionic liquid. Dipolar aprotic intercrystalline swelling agents do not include imidazole based agents or amine based agents.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Mengkui Luo, Amar N. Neogi, Hugh West
  • Publication number: 20090084509
    Abstract: A method for dissolving cellulose in which the cellulose based raw material is admixed with a mixture of a protic intercrystalline swelling agent and an ionic liquid at a temperature of 25° C. to 180° C. for a time sufficient to dissolve the cellulose based raw material. The molar ratio of protic intercyrstalline swelling agent to ionic liquid may be 0.05 to 1.5 moles of protic intercrystalline swelling agent to 1 mole of ionic liquid.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 2, 2009
    Applicant: Weyerhaeuser Company
    Inventors: Mengkui Luo, Amar N. Neogi, Hugh West
  • Publication number: 20080241536
    Abstract: The present application is directed to a process of dissolving cellulose in an ionic liquid, regenerating the fibers and forming a nonwoven web. In particular it is directed to fibers produced from cellulose dissolved in ionic solvents and extruded by the meltblowing process. Bonded nonwoven webs can be obtained in the process.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Applicant: Weyerhaeuser Co.
    Inventors: Mengkui Luo, Hugh West, Amar N. Neogi
  • Publication number: 20080182104
    Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 35 mm2 and equal to or greater than 8 mm2, the distance between the bases being equal to or greater than 0.9 mm and equal to or less than 5 mm, the particle being treated with a material. In some embodiments the material can be a hydrophilic, hydrophobic or softening chemical or a film.
    Type: Application
    Filed: January 25, 2007
    Publication date: July 31, 2008
    Applicant: Weyerhaeuser Co.
    Inventors: David E. Fish, Hugh West, Linda A. Beltz
  • Publication number: 20080179027
    Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 30 mm2 and equal to or greater than 8 mm2, the height of the particle, the perpendicular distance between the bases, being equal to or greater than 0.9 mm and equal to or less than 5 mm.
    Type: Application
    Filed: January 25, 2007
    Publication date: July 31, 2008
    Applicant: Weyerhaeuser Co.
    Inventors: David E. Fish, Hugh West, Linda A. Beltz