Patents by Inventor Kari l. Keskinen

Kari l. Keskinen 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).

  • TWO-STAGE GAS WASHING METHOD APPLYING SULFIDE PRECIPITATION AND ALKALINE ABSORPTION
    Publication number: 20130053456
    Abstract: Disclosed is a method relating to hydrocarbon production by gasification of carbonaceous material, for example, a two-stage gas washing method as a part of gas refining. Disclosed is a method for hydrogen sulfide and carbon dioxide removal from synthesis gas produced by gasification. Disclosed is a use of a combination of two chemical wash approaches. The process can be utilized as a part of biomass to liquid (BTL) process.
    Type: Application
    Filed: August 31, 2012
    Publication date: February 28, 2013
    Applicant: Neste Oil Oyj
    Inventors: Jan WAHLSTRÖM, Juhani Aittamaa, lsto Eilos, Kari l. Keskinen, Jukka Koskinen, Marja Tiitta, Heli Vuori