Patents by Inventor Wilm Eickelberg

Wilm Eickelberg 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 the synthesis of lauryllactam (L12) by gas phase catalytic rearrangement of cyclododecanone oxime
    Patent number: 7893255
    Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: February 22, 2011
    Assignee: Arkema France
    Inventors: Eric Lacroix, Serge Hub, Wolfgang Holderich, Wilm Eickelberg, Francois Fajula, Francesco DiRenzo, Markus Brandhorst
  • Process for the synthesis of lauryllactam (L12) by gas phase catalytic rearrangement of cyclododecanone oxime
    Publication number: 20080214836
    Abstract: The present invention relates to a process for the preparation of lauryllactam in which a Beckmann rearrangement of cyclododecanone oxime is carried out. Said process is carried out in the gas phase at a temperature of between 180 and 450° C. in the presence of a microporous material having a three-dimensional inorganic main structure composed of tetrahedra connected via a common edge, called zeolite.
    Type: Application
    Filed: June 21, 2006
    Publication date: September 4, 2008
    Inventors: Eric Lacroix, Serge Hub, Wolfgang Holderich, Wilm Eickelberg, Francois Fajula, Francesco DiRenzo, Markus Brandhorst
  • Process for producing a catalytic converter and catalytic converter made by said process
    Publication number: 20020052292
    Abstract: A process for producing a catalytic converter utilizes deposition of a catalytically active material electrochemically deposited on a substrate as aresult of the substrate being immersed in an electrolyte, which contains the catalytically active material, and an electric voltage being applied between the substrate and a counterelectrode. The platinum is deposited on a metallic substrate from a platinum-containing sulphuric acid solution, or in which process a Pt/Ru mixture is deposited on a metallic substrate from a sulphuric acid solution containing platinum and ruthenium as catalytically active material, which a Pt:Ru ratio of from 1:10 to 1:20.
    Type: Application
    Filed: September 4, 2001
    Publication date: May 2, 2002
    Inventors: Ellen Dahlhoff, Wilm Eickelberg, Anett Funke