Patents by Inventor Thomas Van Der Koelen

Thomas Van Der Koelen 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).

  • Method of recovering oil from a subterranean formation
    Patent number: 10221348
    Abstract: Method of recovering oil from a subterranean formation which comprises a step of injecting an aqueous composition comprising alkyl and/or alk(en)yl oligolucoside (ether) carboxylates into the subterranean formation and method of alkali-surfactant flooding and alkali-surfactant-polymer-flooding using such alkyl and/or alk(en)yl oligolucoside (ether) carboxylates.
    Type: Grant
    Filed: June 10, 2013
    Date of Patent: March 5, 2019
    Assignee: BASF SE
    Inventors: Monika Santa, Ansgar Behler, Thomas Van Der Koelen
  • METHOD OF RECOVERING OIL FROM A SUBTERRANEAN FORMATION
    Publication number: 20130327523
    Abstract: Method of recovering oil from a subterranean formation which comprises a step of injecting an aqueous composition comprising alkyl and/or alk(en)yl oligolucoside (ether) carboxylates into the subterranean formation and method of alkali-surfactant flooding and alkali-surfactant-polymer-flooding using such alkyl and/or alk(en)yl oligolucoside (ether) carboxylates.
    Type: Application
    Filed: June 10, 2013
    Publication date: December 12, 2013
    Inventors: Monika Santa, Ansgar Behler, Thomas Van Der Koelen