Patents by Inventor Todd L. Kurth

Todd L. Kurth 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: 11352537
    Abstract: Aspects of the present invention provide methods of drying lecithin in a batch reaction, comprising the steps of obtaining lecithin-containing material (derived from a crude refining stream) comprising 15-50% water, 10-30% acetone insoluble matter, and 10-20% free fatty acid; adding a fatty acid source (also derived from a crude refining stream) to the lecithin-containing material composition to obtain a lecithin/fatty acid reaction mixture; and blowing dry gas through the gum/fatty acid reaction mixture to obtain a resultant dried lecithin fatty acid blend having a water content of less than 2%. The resultant dried lecithin fatty acid blend may be used in asphalt or oil field applications.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: June 7, 2022
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Suzanne Stauduhar, Andrew Karl
  • Patent number: 11345718
    Abstract: Embodiments of the present invention provide a method, comprising obtaining a lecithin-containing material, in some aspects derived from a crude refining stream, comprising 20-80 wt % acetone insoluble matter, 1-30 wt % free fatty acid, and less than 10 wt % water, adding a fatty acid or carboxylic source to the lecithin-containing material to obtain a lecithin fatty acid blend or lecithin carboxylic acid blend and incorporating the blend into asphalt or oil field applications.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: May 31, 2022
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Suzanne Stauduhar, Hassan Ali Tabatabaee
  • Patent number: 11261295
    Abstract: Polyglycerol compositions comprise no more than about 5% by weight of monoglycerol based on non-water ingredients of the polyglycerol composition, and have a combined tetraglycerol and higher polyglycerol content of at least about 55%. Methods of making such compositions from a crude glycerin comprising from 0.01 to 5 wt % of glycerol-containing compounds comprising acetate ester moieties are described.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: March 1, 2022
    Assignee: CARGILL, INCORPORATED
    Inventors: Ryan L. Flynn, Todd L. Kurth, Christopher P. Stevermer
  • Publication number: 20220001345
    Abstract: Various embodiments disclosed relate to asphalt emulsifiers. An emulsifier has the structure R1—C(O)-A-(CH2)n—N(R2) (R3), or a salt thereof wherein the —N(R2)(R3) nitrogen is quaternized as —N+(R2)(R3)(R4), or an N-oxide thereof wherein the —N(R2) (R3) nitrogen is oxidized as —N+(R2)(R3)(O?). The variable A is —NH— or —O—. The variable R1 is chosen from (C4-C22)alkyl, substituted (C4-C22)alkyl, (C4-C22)alkenyl, and substituted (C4-C22)alkenyl. The variables R2 and R3 are each independently chosen from (C1-C10)alkyl and substituted (C1-C10)alkyl. The variable R4 is chosen from —H, (C1-C20)hydrocarbyl, and substituted (C1-C20)hydrocarbyl. The variable n is 1 to 10. Various embodiments include methods of making the emulsifier such as from a fatty acid source and an amine starting material, emulsions including the emulsifier and methods of making the same, and methods of using the emulsion including contacting asphalt or bitumen with the emulsion.
    Type: Application
    Filed: October 11, 2019
    Publication date: January 6, 2022
    Applicant: CARGILL, INCORPORATED
    Inventors: Sung AHN, Todd L. KURTH, Hassan Ali TABATABAEE
  • Patent number: 11203730
    Abstract: Disclosed herein is a method of using dissipation factor to control the purification of candle wax compositions, comprising purifying a modified natural oil until a dissipation factor ranging from 0.0001-0.0600 is achieved.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: December 21, 2021
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L Kurth, Timothy Alan Murphy
  • Patent number: 11193086
    Abstract: Disclosed herein is a method of using surface tension to control the manufacture of candles until a surface tension ranging from 20 to 30 dynes/cm is achieved.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: December 7, 2021
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Timothy Alan Murphy
  • Publication number: 20210062003
    Abstract: The disclosure relates to flexible wax compositions and a method of making the same. Described herein is a wax composition containing about 20 wt % to about 45 wt % monoacylglycerides, about 28 wt % to about 40 wt % diacylglycerides, and about 10 wt % to about 45 wt % acylglyceride polymers, which contain one or more dimerized fatty acid residue and a plurality of glycerol moieties. The flexible wax composition described herein has an average creep stiffness of less than about 30 MPa and can be used in candles, paper coatings, box coatings, fruit coatings, broadsizing for OSB, tire and rubber, polyvinyl chloride piping, crayons, and personal care applications.
    Type: Application
    Filed: January 14, 2019
    Publication date: March 4, 2021
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Mariah Elizabeth LINDAHL, Timothy Alan MURPHY, Christopher Patrick STEVERMER
  • Publication number: 20210027911
    Abstract: A dielectric fluid is provided comprising a natural bio-sourced oil and one or more compounds selected from the group consisting of phosphite compounds. It has been discovered that addition of one or more compounds selected from the group consisting of phosphite compounds to dielectric fluids comprising oil impart a stabilizing effect that reduces, inhibits or prevents formation of stray gases in the dielectric fluid during ordinary use.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 28, 2021
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Kevin R. WIRTZ
  • Publication number: 20210027910
    Abstract: A dielectric fluid is provided comprising an oil and one or more compounds selected from the group consisting of phosphite compounds. It has been discovered that addition of one or more compounds selected from the group consisting of phosphite compounds to dielectric fluids comprising oil impart a stabilizing effect that reduces, inhibits or prevents formation of stray gases in the dielectric fluid during ordinary use.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 28, 2021
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Kevin R. WIRTZ
  • Publication number: 20200317703
    Abstract: Embodiments of the present invention provide a method, comprising obtaining a lecithin-containing material, in some aspects derived from a crude refining stream, comprising 20-80 wt % acetone insoluble matter, 1-30 wt % free fatty acid, and less than 10 wt % water, adding a fatty acid or carboxylic source to the lecithin-containing material to obtain a lecithin fatty acid blend or lecithin carboxylic acid blend and incorporating the blend into asphalt or oil field applications.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Suzanne STAUDUHAR, Hassan Ali TABATABAEE
  • Patent number: 10717702
    Abstract: Methods of preparing a polyaspartic ester composition comprise reacting a primary diamine reactant composition with a diester reactant composition under conditions to prepare a polyaspartic ester composition having a primary amine value of less than 35 mg KOH/g wherein, at the time of the reaction, the combined water content of the primary diamine reactant composition and the diester reactant composition is less than 300 ppm. Compositions and methods of use of the compositions are also described.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: July 21, 2020
    Assignee: CARGILL, INCORPORATED
    Inventors: Andrew M. Karl, Todd L. Kurth
  • Patent number: 10689406
    Abstract: Embodiments of the present invention provide a method, comprising obtaining a lecithin-containing material, in some aspects derived from a crude refining stream, comprising 20-80 wt % acetone insoluble matter, 1-30 wt % free fatty acid, and less than 10 wt % water, adding a fatty acid or carboxylic source to the lecithin-containing material to obtain a lecithin fatty acid blend or lecithin carboxylic acid blend and incorporating the blend into asphalt or oil field applications.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: June 23, 2020
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Suzanne Stauduhar, Hassan Ali Tabatabaee
  • Publication number: 20200181531
    Abstract: Disclosed herein is a method of using dissipation factor to control the purification of candle wax compositions, comprising purifying a modified natural oil until a dissipation factor ranging from 0.0001-0.0600 is achieved.
    Type: Application
    Filed: April 24, 2018
    Publication date: June 11, 2020
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Timothy Alan MURPHY
  • Publication number: 20200095519
    Abstract: Disclosed herein is a method of using surface tension to control the manufacture of candles until a surface tension ranging from 20 to 30 dynes/cm is achieved.
    Type: Application
    Filed: April 26, 2018
    Publication date: March 26, 2020
    Applicant: CARGILL, INCORPORATED
    Inventors: Todd L. KURTH, Timothy Alan MURPHY
  • Publication number: 20200010405
    Abstract: Methods of preparing a polyaspartic ester composition comprise reacting a primary diamine reactant composition with a diester reactant composition under conditions to prepare a polyaspartic ester composition having a primary amine value of less than 35 mg KOH/g wherein, at the time of the reaction, the combined water content of the primary diamine reactant composition and the diester reactant composition is less than 300 ppm. Compositions and methods of use of the compositions are also described.
    Type: Application
    Filed: March 2, 2018
    Publication date: January 9, 2020
    Applicant: CARGILL, INCORPORATED
    Inventors: Andrew M. KARL, Todd L. KURTH
  • Publication number: 20190352460
    Abstract: Polyglycerol compositions comprise no more than about 5% by weight of monoglycerol based on non-water ingredients of the polyglycerol composition, and have a combined tetraglycerol and higher polyglycerol content of at least about 55%. Methods of making such compositions from a crude glycerin comprising from 0.01 to 5 wt % of glycerol-containing compounds comprising acetate ester moieties are described.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 21, 2019
    Applicant: CARGILL, INCORPORATED
    Inventors: Ryan L. FLYNN, Todd L. KURTH, Christopher P. STEVERMER
  • Patent number: 10329426
    Abstract: Disclosed herein are rejuvenating compositions for asphalt applications. In one aspect, the rejuvenating composition comprises a polymerized oil having a polymeric distribution ranging from about 2 to about 80 wt % oligomer content and Hildebrand solubility ranging from about 6 to about 12. In another aspect, the rejuvenating composition comprises an oil having a Hildebrand solubility ranging from about 6 to about 12 and a flash point ranging from about 100° C. to about 400° C. In yet another aspect, the rejuvenating composition comprises a modified oil having a Hildebrand solubility ranging from about 6 to about 12 and a flash point ranging from about 100° C. to about 400° C.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 25, 2019
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Scott Nivens, Christopher Patrick Stevermer, Hassan Ali Tabatabaee
  • Patent number: 10316192
    Abstract: Described herein is an emulsion for use in asphalt rejuvenation applications, comprising an oil phase comprising (1) a polymerized oil comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.0 to about 5.0, and sulfur content less than about 8 wt %; and (2) an aqueous phase, comprising a surfactant. The emulsion may be incorporated into asphalt paving, roofing, and coating applications and especially aged or recycled asphalt thereby obtaining rejuvenated asphalt.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 11, 2019
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Scott Nivens, Christopher Patrick Stevermer, Hassan Ali Tabatabaee
  • Patent number: 10316189
    Abstract: Described herein is a polymerized biorenewable, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.30 to about 2.20, and sulfur content ranging from 0.001 wt % to about 8 wt %. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 11, 2019
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Scott Nivens, Christopher Patrick Stevermer, Hassan Ali Tabatabaee
  • Patent number: 10316190
    Abstract: Described herein is a polymerized biorenewable, petroleum based, previously modified, or functionalized oil, comprising a polymeric distribution having about 2 to about 80 wt % oligomer content, a polydispersity index ranging from about 1.0 to about 5.0, and sulfur content ranging from 0.001 wt % to about 8 wt %. Methods of manufacturing the polymerized oil as well as its incorporation into asphalt paving, roofing, and coating applications are also described.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 11, 2019
    Assignee: CARGILL, INCORPORATED
    Inventors: Todd L. Kurth, Scott Nivens, Christopher Patrick Stevermer, Hassan Ali Tabatabaee