Patents by Inventor Jan Arend VAN WELSENES

Jan Arend VAN WELSENES 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).

  • Process for preparing a hydrotreating catalyst
    Patent number: 10118160
    Abstract: Process for preparing a hydrotreating catalyst comprising of from 5 wt % to 50 wt % of molybdenum, of from 0.5 wt % to 20 wt % of nickel and of from 0 to 5 wt % of phosphorus, all based on total dry weight of catalyst, which process comprises (a) treating alumina carrier with molybdenum and nickel and of from 1 to 60% wt of gluconic acid, based on weight of carrier, and optionally phosphorus, (b) optionally drying the treated carrier at a temperature of from 40 to 200° C., and (c) calcining the treated and optionally dried carrier at a temperature of from 200 to 650° C. to obtain the calcined treated carrier.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: November 6, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Ferry Winter, Jan Arend Van Welsenes, Marcello Stefano Rigutto, Patricia Johanna Anne Maria Giltay, Johannes Jacobus Maria Van Vlaanderen, Ali Azghay
  • PROCESS FOR PREPARING A HYDROTREATING CATALYST
    Publication number: 20160264879
    Abstract: Process for preparing a hydrotreating catalyst comprising of from 5 wt % to 50 wt % of molybdenum, of from 0.5 wt % to 20 wt % of nickel and of from 0 to 5 wt % of phosphorus, all based on total dry weight of catalyst, which process comprises (a) treating alumina carrier with molybdenum and nickel and of from 1 to 60% wt of gluconic acid, based on weight of carrier, and op tionally phosphorus, (b) optionally drying the treated carrier at a temperature of from 40 to 200° C., and (c) calcining the treated and optionally dried carrier at a temperature of from 200 to 650° C. to obtain the calcined treated carrier.
    Type: Application
    Filed: November 4, 2014
    Publication date: September 15, 2016
    Inventors: Ferry WINTER, Jan Arend VAN WELSENES, Marcello Stefano RIGUTTO, Patricia Johanna Anne Maria GILTAY, Johannes Jacobus Maria VAN VLAANDEREN, Ali AZGHAY