Patents by Inventor Michael Klimpel

Michael Klimpel 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).

  • DITHIOCARBAMIC ESTERS
    Publication number: 20110015360
    Abstract: The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polymerization of 2,3-dichlorobutadiene to give poly-2,3-dichlorobutadiene, and during the copolymerization of chloroprene with 2,3-dichlorobutadiene. The present invention further relates to polymers which are obtainable via the polymerization of monomers in the presence of the dithiocarbamic esters of the invention. The present invention also relates to polymers which contain end groups derived from the dithiocarbamic esters of the present invention.
    Type: Application
    Filed: September 23, 2010
    Publication date: January 20, 2011
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler, Heinrich Berg, Zsolt Szentivanyi, Stefan Glander
  • Dithiocarbamic esters
    Patent number: 7825193
    Abstract: The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polymerization of 2,3-dichlorobutadiene to give poly-2,3-dichlorobutadiene, and during the copolymerization of chloroprene with 2,3-dichlorobutadiene. The present invention further relates to polymers which are obtainable via the polymerization of monomers in the presence of the dithiocarbamic esters of the invention. The present invention also relates to polymers which contain end groups derived from the dithiocarbamic esters of the present invention.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: November 2, 2010
    Assignee: LANXESS Deutschland GmbH
    Inventors: Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler, Heinrich Berg, Zsolt Szentivanyi, Ste{acute over (f)}an Glander
  • VULCANIZABLE POLYMER COMPOSITIONS
    Publication number: 20100029857
    Abstract: A novel vulcanizable polymer composition is provided which is characterized by a specific combination of a polyamine crosslinking agent and a particular crosslinking accelerator. Furtheron polymer vulcanizates on the basis of such polymer compositions as well as method for preparing such polymer vulcanizate is provided, in particular in the form of mouldings or shaped parts.
    Type: Application
    Filed: July 2, 2009
    Publication date: February 4, 2010
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Matthias Soddemann, Martin Mezger, Christopher Ong, Sven Brandau, Michael Klimpel
  • MERCAPTAN MIXTURE
    Publication number: 20080293902
    Abstract: A novel mixture containing a number of particular mercaptans, a process for preparing it and its use as advantageous molecular weight regulator in the production of synthetic rubbers are provided.
    Type: Application
    Filed: February 14, 2008
    Publication date: November 27, 2008
    Applicant: LANXESS Deutschland GmbH
    Inventors: Werner Obrecht, Stephen Pask, Wilfried Kohler, Michael Klimpel
  • Dithiocarbamic esters
    Publication number: 20070078229
    Abstract: The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polymerization of 2,3-dichlorobutadiene to give poly-2,3-dichlorobutadiene, and during the copolymerization of chloroprene with 2,3-dichlorobutadiene. The present invention further relates to polymers which are obtainable via the polymerization of monomers in the presence of the dithiocarbamic esters of the invention. The present invention also relates to polymers which contain end groups derived from the dithiocarbamic esters of the present invention.
    Type: Application
    Filed: December 1, 2006
    Publication date: April 5, 2007
    Inventors: Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler, Heinrich Berg, Zsolt Szentivanyi, Stefan Glander
  • Dithiocarbamic esters
    Patent number: 7169937
    Abstract: The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polymerization of 2,3-dichlorobutadiene to give poly-2,3-dichlorobutadiene, and during the copolymerization of chloroprene with 2,3-dichlorobutadiene. The present invention further relates to polymers which are obtainable via the polymerization of monomers in the presence of the dithiocarbamic esters of the invention. The present invention also relates to polymers which contain end groups derived from the dithiocarbamic esters of the present invention.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: January 30, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler, Heinrich Berg, Zsolt Szentivanyi, Stefan Glander
  • Dithiocarbamic esters
    Publication number: 20040110964
    Abstract: The present invention relates to dithiocarbamic esters, their preparation and their use for regulating the degree of polymerization during the polymerization of monomers, such as during the polymerization of chloroprene to give polychloroprene, and during the polymerization of 2,3-dichlorobutadiene to give poly-2,3-dichlorobutadiene, and during the copolymerization of chloroprene with 2,3-dichlorobutadiene. The present invention further relates to polymers which are obtainable via the polymerization of monomers in the presence of the dithiocarbamic esters of the invention. The present invention also relates to polymers which contain end groups derived from the dithiocarbamic esters of the present invention.
    Type: Application
    Filed: September 15, 2003
    Publication date: June 10, 2004
    Inventors: Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler, Heinrich Berg, Zsolt Szentivanyi, Stefan Glander
  • Process for preparing aromatic olefins by using palladaphosphacyclobutanes as catalysts
    Patent number: 6194627
    Abstract: The invention relates to a process for preparing monofunctional, bifunctional and polyfunctional aromatic olefins of the formula (I) by reacting haloaromatics of the formula (II) with olefins of the formula (III) wherein a palladium compound of the formula (IV) is used as catalyst.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: February 27, 2001
    Assignee: Aventis Research & Technology GmbH & Co. KG
    Inventors: Holger Geissler, Peter Gross, Bianca Guckes, Michael Klimpel