Patents by Inventor Michael R. St. John

Michael R. St. John 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).

  • Patent number: 10227731
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 12, 2019
    Assignee: Ecolab USA Inc.
    Inventors: Michael R. St. John, David J. Castro, Mei Liu
  • Publication number: 20170218571
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Application
    Filed: April 12, 2017
    Publication date: August 3, 2017
    Applicant: Ecolab USA Inc.
    Inventors: Michael R. St. John, David J. Castro, Mei Liu
  • Patent number: 9624623
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Grant
    Filed: October 6, 2014
    Date of Patent: April 18, 2017
    Assignee: ECOLAB USA INC.
    Inventors: Michael R. St. John, David J. Castro, Mei Liu
  • Patent number: 9145646
    Abstract: Disclosed herein are compositions and methods to increase paper machine performance and enhance sizing. The compositions include a sizing agent, an emulsifier, and an aqueous component. The emulsifier may be an aldehyde-functionalized polymer. The sizing agent may be selected from rosin size, an alkyl ketene dimer, an alkenyl succinic anhydride, and any combination of these sizing agents.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: September 29, 2015
    Assignee: Nalco Company
    Inventors: Bradley J. Benz, William C. Johnson, Mei Liu, Shawnee Wilson, Mark Grimm, Michael R. St. John
  • Publication number: 20150020988
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Application
    Filed: October 6, 2014
    Publication date: January 22, 2015
    Applicant: ECOLAB USA INC.
    Inventors: Michael R. St. John, David J. Castro, Mei Liu
  • Publication number: 20140336314
    Abstract: Disclosed herein are compositions and methods to increase paper machine performance and enhance sizing. The compositions include a sizing agent, an emulsifier, and an aqueous component. The emulsifier may be an aldehyde-functionalized polymer. The sizing agent may be selected from rosin size, an alkyl ketene dimer, an alkenyl succinic anhydride, and any combination of these sizing agents.
    Type: Application
    Filed: July 28, 2014
    Publication date: November 13, 2014
    Applicants: ECOLAB USA INC.
    Inventors: Bradley J. Benz, William C. Johnson, Mei Liu, Shawnee Wilson, Mark Grimm, Michael R. St. John
  • Patent number: 8852400
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: October 7, 2014
    Assignee: Ecolab USA Inc.
    Inventors: Michael R St. John, David J Castro, Mei Liu
  • Patent number: 8840759
    Abstract: Disclosed herein are compositions and methods to increase paper machine performance and enhance sizing. The compositions include a sizing agent, an emulsifier, and an aqueous component. The emulsifier may be an aldehyde-functionalized polymer.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 23, 2014
    Assignee: Ecolab USA Inc.
    Inventors: Bradley J. Benz, William C. Johnson, Mei Liu, Shawnee Wilson, Mark Grimm, Michael R. St. John
  • Patent number: 8753480
    Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: June 17, 2014
    Assignee: Nalco Company
    Inventors: Heinrich E. Bode, Michael R. St. John, Mei Liu, Robert M. Lowe
  • Publication number: 20140130994
    Abstract: The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer. The method comprises adding an oil-in-water emulsion to the papermaking process; wherein the oil-in-water emulsion comprises alkenyl succinic anhydride emulsified with a polymer comprising at least one primary or secondary amine containing monomer; and wherein the oil-in-water emulsion is added in an amount sufficient to improve sizing of the paper produced by the papermaking process. The primary or secondary amine may be a secondary amine comprising diallylamine, and the polymer may be a diallylamine-acrylamide copolymer.
    Type: Application
    Filed: November 15, 2012
    Publication date: May 15, 2014
    Applicant: ECOLAB USA INC.
    Inventors: Michael R. St. John, David J. Castro, Mei Liu
  • Patent number: 8709207
    Abstract: Novel sizing mixtures to achieve improved sizing along with other benefits is disclosed and claimed. The invention is a composition comprising a sizing mixture having a stabilizing amount of one or more aldehyde-functionalized polymers and a sizing amount of a sizing composition. The invention is also a method of improving paper and paperboard production and enhancing sizing through adding an effective amount of the disclosed sizing mixture to the paper machine and a method of producing a medium having cellulosic fibers, wherein the method includes adding the disclosed sizing mixture to the medium at any point in a papermaking process.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: April 29, 2014
    Assignee: Nalco Company
    Inventors: Mark Grimm, Michael R. St. John
  • Publication number: 20140060763
    Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.
    Type: Application
    Filed: October 12, 2012
    Publication date: March 6, 2014
    Inventors: Heinrich E. Bode, Michael R. St. John, Mei Liu, Robert M. Lowe
  • Patent number: 8530597
    Abstract: A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: September 10, 2013
    Assignee: Nalco Company
    Inventors: Pious V. Kurian, Peter E. Reed, Michael R. St. John, Winston Su, Jeffrey R. Cramm
  • Patent number: 8288502
    Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: October 16, 2012
    Assignee: Nalco Company
    Inventors: Heinrich E. Bode, Michael R. St. John, Mei Liu, Robert M. Lowe
  • Publication number: 20120103547
    Abstract: Novel sizing mixtures to achieve improved sizing along with other benefits is disclosed and claimed. The invention is a composition comprising a sizing mixture having a stabilizing amount of one or more aldehyde-functionalized polymers and a sizing amount of a sizing composition. The invention is also a method of improving paper and paperboard production and enhancing sizing through adding an effective amount of the disclosed sizing mixture to the paper machine and a method of producing a medium having cellulosic fibers, wherein the method includes adding the disclosed sizing mixture to the medium at any point in a papermaking process.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 3, 2012
    Inventors: Mark Grimm, Michael R. St. John
  • Publication number: 20110146925
    Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 23, 2011
    Inventors: Heinrich E. Bode, Michael R. St. John, Mei Liu, Robert M. Lowe
  • Patent number: 7901543
    Abstract: A composition for enhancing the dewatering of a paper sheet on a paper machine and a method for using the composition is disclosed. The composition comprising one or more aldehyde-functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000. The method comprising adding the composition to the paper machine at a dosage of about 0.05 lb/ton to about 15 lb/ton, based on dry fiber.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: March 8, 2011
    Assignee: Nalco Company
    Inventors: Michael R. St. John, Angela P. Zagala
  • Publication number: 20100089542
    Abstract: A composition for enhancing the dewatering of a paper sheet on a paper machine and a method for using the composition is disclosed. The composition comprising one or more aldehyde-functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000. The method comprising adding the composition to the paper machine at a dosage of about 0.05 lb/ton to about 15 lb/ton, based on dry fiber.
    Type: Application
    Filed: December 14, 2009
    Publication date: April 15, 2010
    Inventors: Michael R. St. John, Angel P. Zagala
  • Patent number: RE44936
    Abstract: A composition for enhancing the dewatering of a paper sheet on a paper machine and a method for using the composition is disclosed. The composition comprising one or more aldehyde-functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000. The method comprising adding the composition to the paper machine at a dosage of about 0.05 lb/ton to about 15 lb/ton, based on dry fiber.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: June 10, 2014
    Assignee: Nalco Company
    Inventors: Michael R. St. John, Angela P. Zagala
  • Patent number: RE45383
    Abstract: A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb/ton to about 15 lb/ton, based on dry fiber, of one or more aldehyde functionalized polymers comprising amino or amido groups wherein at least about 15 mole percent of the amino or amido groups are functionalized by reacting with one or more aldehydes and wherein the aldehyde functionalized polymers have a molecular weight of at least about 100,000.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: February 24, 2015
    Assignee: Nalco Company
    Inventors: Michael R. St. John, Angela P. Zagala