Patents by Inventor Karsten Wilbrand

Karsten Wilbrand 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).

  • Fuel composition
    Patent number: 8273137
    Abstract: A middle distillate fuel composition is provided comprising (a) a middle distillate base fuel, (b) a Fischer-Tropsch derived paraffinic wax component, and (c) one or more cold flow additives; a method for formulating a middle distillate fuel composition comprising a middle distillate base fuel, comprising (i) incorporating into the base fuel a Fischer-Tropsch derived wax component. The use of a Fischer-Tropsch derived wax component in a middle distillate fuel composition, for the purpose of increasing the effect of a CFPP improver additive in the composition is disclosed.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: September 25, 2012
    Assignee: Shell Oil Company
    Inventors: Mark Lawrence Brewer, Felix Balthasar, Karsten Wilbrand
  • NORMAL AND ISO PARAFINES WITH LOW CONTENT OF AROMATICS, SULPHUR AND NITROGEN AS COLLECTOR FOR FROTH FLOTATION
    Publication number: 20100050504
    Abstract: The present invention relates to a flotation agent comprising a collector hydrocarbon composition comprising more than 80 wt % of iso and normal paraffins, less than 1 wt % aromatics, less than 5 ppm sulphur and less than 1 ppm nitrogen, and having a density of between 0.65 and 0.8 g/cm3 at 15° C., and at least one frothing agent, and to a process for the froth flotation of non-metal and metal ores and sludges.
    Type: Application
    Filed: December 6, 2007
    Publication date: March 4, 2010
    Inventors: Jörg Landschof, Karsten Wilbrand
  • FUEL COMPOSITION
    Publication number: 20090178951
    Abstract: A middle distillate fuel composition is provided comprising (a) a middle distillate base fuel, (b) a Fischer-Tropsch derived paraffinic wax component, and (c) one or more cold flow additives; a method for formulating a middle distillate fuel composition comprising a middle distillate base fuel, comprising (i) incorporating into the base fuel a Fischer-Tropsch derived wax component. The use of a Fischer-Tropsch derived wax component in a middle distillate fuel composition, for the purpose of increasing the effect of a CFPP improver additive in the composition is disclosed.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 16, 2009
    Inventors: Felix Balthasar, Karsten Wilbrand