Patents by Inventor Rendert Jan Wiersma

Rendert Jan Wiersma 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: 20170218282
    Abstract: The present invention provides A process for preparing Fischer-Tropsch gasoil fraction, comprising: a) providing a Fischer-Tropsch-derived gasoil feedstock containing one or more contaminants; b) providing the Fischer-Tropsch-derived gasoil feedstock to a pretreatment zone to be pretreated to remove at least part of the one or more contaminants in the Fischer-Tropsch-derived gasoil feedstock; c) retrieving from the pretreatment zone a purified Fischer-Tropsch gasoil, which purified Fischer-Tropsch gasoil is contaminant-depleted with respect to the Fischer-Tropsch-derived gasoil feedstock; and d) providing the purified Fischer-Tropsch gasoil to fractionation zone and fractionating the purified Fischer-Tropsch gasoil into two or more high purity Fischer-Tropsch gasoil fractions. The invention further provides for the use of the purified Fischer-Tropsch gasoil fraction.
    Type: Application
    Filed: May 18, 2015
    Publication date: August 3, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Robert RIEMERSMA, Johannes TURFBOER, Rendert Jan WIERSMA
  • Publication number: 20170198224
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having: (a) an initial boiling point of at least 220° C.; (b) a final boiling point of at most 360° C.; (c) a kinematic viscosity at 25° C. according to ASTM D445 of from 3.8 to 4.4 cSt; and (d) of a flash point according to ASTM D93 of at least 100° C. In another aspect the present invention provides a composition and the use of a Fischer-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 13, 2017
    Applicant: SHELL OIL COMPANY
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170190980
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having an initial boiling point of at least 160° C. and a final boiling point of at most 215° C. In another aspect the present invention provides a composition and the use of a Fischer-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170190989
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having an initial boiling point of at least 175° C. and a final boiling point of at most 285° C. In another aspect the present invention provides a fuel composition and the use of a Fischer-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170190924
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having an initial boiling point of at least 210° C. and a final boiling point of at most 320° C. In another aspect the present invention provides a composition and the use of a Fisc-her-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170190981
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having: (a) an initial boiling point of at least 250° C.; (b) a final boiling point of at most 350° C.; (c) a kinematic viscosity at 25° C. according to ASTM D445 of from 4.0 to 4.6 cSt; and (d) a flash point according to ASTM D93 of at least 117° C. In another aspect the present invention provides a composition and the use of a Fischer-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170190979
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having an initial boiling point of at least 200° C. and a final boiling point of at most 300° C. In another aspect the present invention provides a composition and the use of a Fisc- her-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170191007
    Abstract: The present invention provides a Fischer-Tropsch gasoil fraction having an initial boiling point of at least 165° C. and a final boiling point of at most 220° C. In another aspect the present invention provides a cleaning composition and the use of a Fischer-Tropsch gasoil fraction according to the invention.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 6, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Johannes TURFBOER, Rendert Jan WIERSMA, Ferry WINTER
  • Publication number: 20170137723
    Abstract: The present invention provides a process for preparing a high purity Fischer-Tropsch gasoil fraction, comprising: a) providing a Fischer-Tropsch-derived gasoil feedstock comprising one or more contaminants; b) providing the Fischer-Tropsch-derived gasoil feedstock to a fractionation zone and fractionating the Fischer-Tropsch-derived gasoil feedstock into two or more Fischer-Tropsch gasoil fractions having a different boiling point range, wherein at least one Fischer-Tropsch gasoil fraction is a contaminant-enriched Fischer-Tropsch gasoil fraction, which is enriched in one or more contaminants with respect to the feedstock; c) providing the contaminant-enriched Fischer-Tropsch gasoil fraction to an absorption zone comprising at least one absorbent material and contacting the contaminant-enriched Fischer-Tropsch gasoil fraction with the absorbent material to absorb at least part of contaminant; and d) retrieving from the absorption zone a purified Fischer-Tropsch gasoil fraction, which is contaminant-depleted.
    Type: Application
    Filed: May 18, 2015
    Publication date: May 18, 2017
    Applicant: SHELL OIL COMPANY
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Robert RIEMERSMA, Johannes TURFBOER, Rendert Jan WIERSMA
  • Publication number: 20170088782
    Abstract: The present invention provides a process for preparing a high purity Fischer-Tropsch gasoil fraction, comprising : a) providing a Fischer-Tropsch-derived gasoil feedstock comprising one or more contaminants; b) providing the Fischer-Tropsch-derived gasoil feedstock to a fractionation zone and fractionating the Fischer-Tropsch-derived gasoil feedstock into two or more Fischer-Tropsch gasoil fractions having a different boiling point range, wherein at least one Fischer-Tropsch gasoil fraction is a contaminant-containing Fischer- Tropsch gasoil fraction; c) providing the contaminant-containing Fischer-Tropsch gasoil fraction to an absorption zone comprising at least one absorbent material and contacting the contaminant-containing Fischer-Tropsch gasoil fraction with the absorbent material to absorb at least part of contaminant; and d) retrieving from the absorption zone a purified Fischer-Tropsch gasoil fraction, which is contaminant-depleted.
    Type: Application
    Filed: May 18, 2015
    Publication date: March 30, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Robert RIEMERSMA, Johannes TURFBOER, Rendert Jan WIERSMA
  • Publication number: 20170081598
    Abstract: The present invention provides a process for preparing a high purity Fischer-Tropsch gasoil fraction, comprising: a)fractionating a Fischer-Tropsch-derived gasoil feedstock into two or more Fischer-Tropsch gasoil fractions having a different boiling point range, wherein at least one Fischer-Tropsch gasoil fraction is a contaminant-enriched Fischer-Tropsch gasoil fraction, which is enriched in one or more contaminants with respect to the feedstock; b) providing the contaminant-enriched Fischer-Tropsch gasoil fraction to an absorption zone comprising at least one absorbent material and contacting the contaminant-enriched Fischer-Tropsch gasoil fraction with the absorbent material to absorb at least part of contaminant; and c) retrieving from the absorption zone a purified Fischer-Tropsch gasoil fraction as high purity Fischer-Tropsch gasoil fraction, which purified Fischer-Tropsch gasoil fraction is contaminant-depleted with respect to the Fischer-Tropsch-derived gasoil feedstock, and wherein at least part of t
    Type: Application
    Filed: May 18, 2015
    Publication date: March 23, 2017
    Inventors: Johannes Bernardus Wilhelmus MORSINK, Robert RIEMERSMA, Johannes TURFBOER, Rendert Jan WIERSMA
  • Publication number: 20160230105
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil having an initial boiling point of at least 175° C. and a final boiling point of at most 360° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil having an initial boiling point of at least 175° C. and a final boiling point of at most 360° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 11, 2016
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160230109
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 300° C. and a final boiling point of at most 365° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 300° C. and a final boiling point of at most 365° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 11, 2016
    Applicant: Shell Oil Company
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160230100
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 185° C. and a final boiling point of at most 225° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 185° C. and a final boiling point of at most 225° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 11, 2016
    Applicant: Shell Oil Company
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160222307
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil having an initial boiling point of at least 165° C. and a final boiling point of at most 360° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil having an initial boiling point of at least 165° C. and a final boiling point of at most 360° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: August 4, 2016
    Applicant: SHELL OIL COMPANY
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160215230
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 165° C. and a final boiling point of at most 200° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 165° C. and a final boiling point of at most 200° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 28, 2016
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160215229
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 245° C. and a final boiling point of at most 275° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 245° C. and a final boiling point of at most 275° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 28, 2016
    Applicant: SHELL OIL COMPANY
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160215225
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil having an initial boiling point of at least 165° C. and a final boiling point of at most 360° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil having an initial boiling point of at least 165° C. and a final boiling point of at most 360° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 28, 2016
    Applicant: SHELL OIL COMPANY
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160208184
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 270° C. and a final boiling point of at most 305° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 270° C. and a final boiling point of at most 305° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 21, 2016
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK
  • Publication number: 20160208185
    Abstract: The present invention provides a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 215° C. and a final boiling point of at most 250° C. In another aspect the present invention provides a functional fluid formulation comprising a Fischer-Tropsch derived gas oil fraction having an initial boiling point of at least 215° C. and a final boiling point of at most 250° C.
    Type: Application
    Filed: September 25, 2014
    Publication date: July 21, 2016
    Applicant: SHELL OIL COMPANY
    Inventors: Rendert Jan WIERSMA, Johannes TURFBOER, Robert RIEMERSMA, Johannes Bernardus Wilhelmus MORSINK