Patents by Inventor Karl W. Dawson

Karl W. Dawson 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).

  • NOVEL INHIBITED HYDROFLUORIC ACID COMPOSITION
    Publication number: 20200317516
    Abstract: An inhibited hydrofluoric acid aqueous composition, said composition comprising: hydrofluoric acid in solution; and an alkanolamine; wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Inventors: Clay PURDY, Markus WEISSENBERGER, Karl W. DAWSON, Kyle G. WYNNYK
  • NOVEL INHIBITIED HYDROFLUORIC ACID COMPOSITION
    Publication number: 20200318009
    Abstract: An inhibited hydrofluoric acid aqueous composition, said composition comprising: hydrofluoric acid in solution; and a weak base selected from the group consisting of: lysine, arginine, histidine, glutamine, asparagine, tryptophan, and tyrosine; wherein said weak base and hydrofluoric acid are present in a molar ratio of at least 1:1. Also disclosed is a mud acid using this inhibited acid composition.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Inventors: Clay PURDY, Markus WEISSENBERGER, Karl W. DAWSON, Kyle G. WYNNYK
  • NOVEL MUD ACID COMPOSITION AND METHODS OF USING SUCH
    Publication number: 20200317996
    Abstract: An inhibited mud acid composition, said composition comprising: hydrofluoric acid in solution; an alkanolamine; and a mineral acid selected from a group consisting of: HCl; MEA-HCl and other modified acids, wherein said alkanolamine and hydrofluoric acid are present in a molar ratio of at least 1:1.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Inventors: Clay PURDY, Markus WEISSENBERGER, Karl W. DAWSON, Kyle G. WYNNYK
  • Metal organic framework, production and use thereof
    Patent number: 9782745
    Abstract: Metal-organic framework (MOF) materials particularly useful for adsorbing CO2. More specifically the MOF has pores and comprises zinc ions, oxalate, and a cycloazocarbyl compound. A preferred cycloazocarbyl compound is 1,2,4-triazolate. Methods for making the porous MOH and methods for using the porous MOH for adsorbing CO2.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: October 10, 2017
    Assignee: UTI Limited Partnership
    Inventors: George Shimizu, Ramanathan Vaidhyanathan, Simon Iremonger, Kyle Deakin, Jian-Bin Lin, Karl W. Dawson
  • METAL ORGANIC FRAMEWORK, PRODUCTION AND USE THEREOF
    Publication number: 20160016148
    Abstract: Metal-organic framework (MOF) materials particularly useful for adsorbing CO2. More specifically the MOF has pores and comprises zinc ions, oxalate, and a cycloazocarbyl compound. A preferred cycloazocarbyl compound is 1,2,4-triazolate. Methods for making the porous MOH and methods for using the porous MOH for adsorbing CO2.
    Type: Application
    Filed: March 11, 2014
    Publication date: January 21, 2016
    Inventors: George SHIMIZU, Ramanathan VAIDHYANATHAN, Simon IREMONGER, Kyle DEAKIN, Jian-Bin LIN, Karl W. DAWSON
  • METHOD OF MAKING NANOSIZED PARTICLES OF MONOAZO LAKED PIGMENT
    Publication number: 20080308008
    Abstract: A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    Type: Application
    Filed: November 1, 2007
    Publication date: December 18, 2008
    Applicant: XEROX CORPORATION
    Inventors: Rina CARLINI, Karl W. DAWSON, Sandra J. GARDNER, C. Geoffrey ALLEN
  • Method of making nanosized particles of monoazo laked pigment
    Patent number: 7465349
    Abstract: A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: December 16, 2008
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, Karl W. Dawson, Sandra J. Gardner, C. Geoffrey Allen
  • Nanosized particles of monoazo laked pigment
    Patent number: 7465348
    Abstract: A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: December 16, 2008
    Assignee: Xerox Corporation
    Inventors: Rina Carlini, C. Geoffrey Allen, Sandra J. Gardner, Karl W. Dawson, Peter G. Odell, Paul F. Smith, Jennifer L. Belelie
  • NANOSIZED PARTICLES OF MONOAZO LAKED PIGMENT
    Publication number: 20080302271
    Abstract: A nanoscaled pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
    Type: Application
    Filed: June 7, 2007
    Publication date: December 11, 2008
    Applicant: XEROX CORPORATION
    Inventors: Rina CARLINI, C. Geoffrey Allen, Sandra J. Gardner, Karl W. Dawson, Peter G. Odell, Paul F. Smith, Jennifer L. Belelie
  • Quinacridone nanoscale pigment particles
    Patent number: 7427323
    Abstract: A nanoscale pigment particle composition includes a quinacridone pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized particles.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: September 23, 2008
    Assignee: Xerox Corporation
    Inventors: Maria M. Birau, Rina Carlini, C. Geoffrey Allen, Sandra J. Gardner, Karl W. Dawson, Peter G. Odell, Paul F. Smith, Caroline M. Turek, Roger E. Gaynor, Jeffrey H. Banning
  • Methods of making quinacridone nanoscale pigment particles
    Patent number: 7427324
    Abstract: A nanoscale pigment particle composition includes a quinacridone pigment having at least one functional moiety, and a sterically bulky stabilizer compound having at least one functional group, wherein the functional moiety associates non-covalently with the functional group; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, so as to afford nanoscale-sized particles of the pigment.
    Type: Grant
    Filed: November 1, 2007
    Date of Patent: September 23, 2008
    Assignee: Xerox Corporation
    Inventors: Maria M. Birau, Rina Carlini, Karl W. Dawson, Sandra J. Gardner, C. Geoffrey Allen, Caroline M. Turek