Patents by Inventor Jim D. Byers

Jim D. Byers 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: 10294200
    Abstract: A composition comprising polysulfides, wherein at least about 50 wt. % of the polysulfides are branched C20 to C60 polysulfides represented by general formula R15S1—[S]n—S2R16 wherein R15 and R16 are each independently a branched C10 to C30 alkyl group and wherein n is an integer from 1 to 10. A process of producing a polysulfides crude product comprising one or more branched C20 to C60 polysulfides comprising: (A) reacting a feedstock comprising one or more branched C10 to C30 mercaptans and sulfur in the presence of a catalyst and (B) collecting the polysulfides crude product.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: May 21, 2019
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Jason L. Kreider, R. Shawn Childress, Michael S. Matson, Jim D. Byers
  • Patent number: 10040758
    Abstract: Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof. Compositions comprising C11+ mercaptans, wherein the C11+ mercaptans are characterized by structure R6—SH, wherein R6 is an alkyl group derived from one or more C11+ monoolefins, and wherein the one or more C11+ monoolefins comprise C11 internal monoolefins, C12 internal monoolefins, C13 internal monoolefins, C14 internal monoolefins, 1-tetradecene, 1-hexadecene, or combinations thereof. Compositions comprising branched C10+ mercaptans, wherein the branched C10+ mercaptans are characterized by structure R14—SH, wherein R14 is an alkyl group derived from one or more branched C10 to C30 monoolefins.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 7, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael S. Matson, Jim D. Byers, Jason L. Kreider
  • Patent number: 10011564
    Abstract: Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof. Compositions comprising C11+ mercaptans, wherein the C11+ mercaptans are characterized by structure R6—SH, wherein R6 is an alkyl group derived from one or more C11+ monoolefins, and wherein the one or more C11+ monoolefins comprise C11 internal monoolefins, C12 internal monoolefins, C13 internal monoolefins, C14 internal monoolefins, 1-tetradecene, 1-hexadecene, or combinations thereof.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: July 3, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael S. Matson, Jim D. Byers, Jason L. Kreider
  • Patent number: 9938237
    Abstract: Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 10, 2018
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael S. Matson, Jim D. Byers, Jason L. Kreider
  • Publication number: 20180036742
    Abstract: The present invention discloses water-based mining collector compositions containing dodecylmethyl sulfide. Floatation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector compositions also are disclosed.
    Type: Application
    Filed: August 4, 2016
    Publication date: February 8, 2018
    Inventors: Jim D. Byers, Jason L. Kreider, Kenneth M. Lassen
  • Publication number: 20170282193
    Abstract: The present invention discloses thiol compositions containing monothiotricyclodecenes, dithiotricyclodecanes, and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such thiol compositions. Flotation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector compositions also are disclosed.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 5, 2017
    Inventors: Jim D. Byers, Michael S. Matson, Jason L. Kreider, Kenneth M. Lassen
  • Patent number: 9738601
    Abstract: Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: August 22, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael S. Matson, Jim D. Byers, Jason L. Kreider
  • Patent number: 9597693
    Abstract: The present invention discloses polythiol compositions containing monothiotricyclodecenes, dithiotricyclodecanes, and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such polythiol compositions. Flotation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector compositions also are disclosed.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 21, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson, Jason L. Kreider, Kenneth M. Lassen
  • Patent number: 9539587
    Abstract: The present invention discloses polythiol compositions containing monothiotricyclodecenes, dithiotricyclodecanes, and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such polythiol compositions. Flotation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector compositions also are disclosed.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: January 10, 2017
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson, Jason L. Kreider, Kenneth M. Lassen
  • Patent number: 9527090
    Abstract: Disclosed herein is a process for the recovery of a metal from an ore using a collector composition. The process includes contacting the ore with the collector composition. The collector composition can include sulfur-containing compounds comprising (i) mercaptans comprising branched C10 mercaptans compounds selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof; and (ii) sulfides comprising branched C20 sulfides represented by the structure R1—S—R2, wherein R1 and R2 are each independently a functional group derived from an olefin, wherein the olefin comprises 5-methyl-1-nonene, 3-propyl-1-heptene, 4-ethyl-1-octene, 2-butyl-1-hexene, or combinations thereof.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: December 27, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson, Jason L. Kreider
  • Patent number: 9512071
    Abstract: Compositions comprising branched C10 mercaptans selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: December 6, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Michael S. Matson, Jim D. Byers, Jason L. Kreider
  • Patent number: 9505011
    Abstract: Disclosed herein is a process for the recovery of a metal from an ore using a collector composition. The process includes contacting the ore with the collector composition. The collector composition can include sulfur-containing compounds comprising (i) mercaptans comprising branched C10 mercaptans compounds selected from the group consisting of 5-methyl-1-mercapto-nonane, 3-propyl-1-mercapto-heptane, 4-ethyl-1-mercapto-octane, 2-butyl-1-mercapto-hexane, 5-methyl-2-mercapto-nonane, 3-propyl-2-mercapto-heptane, 4-ethyl-2-mercapto-octane, 5-methyl-5-mercapto-nonane, and combinations thereof; and (ii) sulfides comprising branched C20 sulfides represented by the structure R1—S—R2, wherein R1 and R2 are each independently a functional group derived from an olefin, wherein the olefin comprises 5-methyl-1-nonene, 3-propyl-1-heptene, 4-ethyl-1-octene, 2-butyl-1-hexene, or combinations thereof.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: November 29, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson, Jason L. Kreider
  • Patent number: 9447481
    Abstract: The present invention shows polythiol compositions containing dipentene dimercaptans and intermolecular sulfide compounds, as well as mining chemical collector compositions containing such polythiol compositions. Flotation processes for recovering metals, such as copper and molybdenum, from ores using the mining chemical collector compositions also are shown.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: September 20, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson
  • Patent number: 9404029
    Abstract: A non-aqueous wellbore servicing fluid comprising a rheology modifier wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine. A method of conducting an oilfield operation comprising placing an oil-based mud comprising a rheology modifier into a wellbore wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: August 2, 2016
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jeffery R. Harris, Jim D. Byers
  • Publication number: 20150159075
    Abstract: A non-aqueous wellbore servicing fluid comprising a rheology modifier wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine. A method of conducting an oilfield operation comprising placing an oil-based mud comprising a rheology modifier into a wellbore wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine.
    Type: Application
    Filed: February 13, 2015
    Publication date: June 11, 2015
    Inventors: Jeffery R. Harris, Jim D. Byers
  • Publication number: 20130288933
    Abstract: A non-aqueous wellbore servicing fluid comprising a rheology modifier wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine. A method of conducting an oilfield operation comprising placing an oil-based mud comprising a rheology modifier into a wellbore wherein the rheology modifier comprises a reaction product of a polysulfide, a dimer acid and a polyfunctional amine.
    Type: Application
    Filed: April 30, 2012
    Publication date: October 31, 2013
    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP
    Inventors: Jeffery R. Harris, Jim D. Byers
  • Publication number: 20110251358
    Abstract: The present invention discloses compositions comprising oligomers derived from bis(beta-hydroxy)polysulfides, such as dihydroxydiethyl disulfide, and oligomerization processes for producing these compositions.
    Type: Application
    Filed: April 11, 2011
    Publication date: October 13, 2011
    Applicant: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Michael S. Matson, Mitchell D. Refvik
  • Patent number: 8003748
    Abstract: Polythiourethane polymer compositions, methods of making the polythiourethane polymer compositions, and methods of using the polythiourethane polymer compositions are provided. The polythiourethane can be produced by contacting a thiol ester composition and an isocyanate to produce a mixture and then heating the mixture to produce the polythiourethane polymer. In some embodiments, the thiol ester compositions include thiol esters, hydroxy thiol esters, and cross-linked thiol esters.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: August 23, 2011
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Jim D. Byers, Mitchell D. Refvik, Chad W. Brown, Michael S. Matson, Michael S. Hankinson
  • Patent number: 7989655
    Abstract: Thiol ester compositions, methods of making the thiol ester compositions, and methods of using the thiol ester compositions are provided. In some embodiments, the thiol ester compositions include thiol esters, hydroxy thiol esters and cross-linked thiol esters. The thiol ester composition can be used to produce cross-linked thiol esters, sulfonic acid-containing esters, sulfonate containing esters and thioacrylate containing esters. The thiol ester compositions can be used to produce polythiourethanes. The polythiourethanes can be used in fertilizers and fertilizer coatings.
    Type: Grant
    Filed: February 17, 2005
    Date of Patent: August 2, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Mitchell D. Refvik, Daniel M. Hasenberg, Michael S. Hankinson, Michael S. Matson, Dale M. Solaas, Steven J. Herron, Jim D. Byers
  • Patent number: 7910666
    Abstract: Mercaptan-hardened epoxy polymer compositions, methods of making the mercaptan-hardened epoxy polymer compositions, and methods of using the mercaptan-hardened epoxy polymer compositions are provided. The mercaptan-hardened epoxy polymer can be produced by contacting a thiol ester composition and an epoxide composition to produce a mixture and then heating the mixture to produce the mercaptan-hardened epoxy polymer. In some embodiments, the thiol ester compositions include thiol esters, hydroxy thiol esters, and crosslinked thiol esters. Adhesive polymer compositions, methods of making the adhesive polymer compositions, and methods of using the adhesive polymer compositions are provided. The adhesive polymer composition can be produced by contacting a thiol ester composition and an epoxide composition to produce a mixture and then heating the mixture to produce the adhesive polymer composition.
    Type: Grant
    Filed: August 16, 2006
    Date of Patent: March 22, 2011
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Jim D. Byers, Mitchell D. Refvik, Chad E. Brown, Michael S. Matson