Patents Assigned to Rhein-Chemie Rheinau GmbH
  • Polymer electrolyte membrane with functionalized nanoparticles
    Patent number: 8367231
    Abstract: The present invention relates to a polymer electrolyte membrane for fuel cells, comprising a polymer matrix of at least one basic polymer and one or more doping agents, wherein particles containing ionogenic groups and having a mean particle diameter in the nanometer range are embedded in the polymer matrix and the particles containing ionogenic groups are distributed homogeneously in the polymer matrix in a concentration of less than 50% relative to the weight of the polymer matrix, as well as to the production and use of same, especially in high-temperature fuel cells.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: February 5, 2013
    Assignees: Elcomax Membranes GmbH, Rhein Chemie Rheinau GmbH, Lanxess Deutschland GmbH
    Inventors: Annette Reiche, Dieter Melzner, Ulrich Mähr, Oliver Gronwald, Werner Obrecht, Thomas Früh, Torsten Ziser
  • Preparation of cast polyamides using special activators
    Patent number: 8354492
    Abstract: The present invention relates to a system comprising a) at least one catalyst for the anionic polymerization of lactams, and b) at least one activator for the anionic polymerization of lactams, wherein the at least one activator is a cyclic isocyanate, at least one allophanate or a mixture thereof.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: January 15, 2013
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Bernd Kray, Andreas Kugler, Willhelm Laufer, Peter Schuster, Volker Wenzel
  • Batches of cross-linking agents, containing marking substances, novel cross-linkable rubber mixtures, method for the production thereof, and use of same
    Publication number: 20130001466
    Abstract: The invention relates to novel batches of cross-linking agents, containing marking substances, to novel cross-linkable rubber mixtures, to a method for the production thereof and to the use of same.
    Type: Application
    Filed: October 20, 2010
    Publication date: January 3, 2013
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Andreas Schroeder, Martin Saewe, Vincenza Meenenga
  • MIXTURES COMPOSED OF FUNCTIONALIZED DIENE RUBBERS WITH TRIMETHYLOLPROPANE AND FATTY ACID, A PROCESS FOR PRODUCTION THEREOF AND USE THEREOF
    Publication number: 20120270974
    Abstract: The invention relates to functionalized diene rubbers with trimethylolpropane and fatty acid, to a process for production there of and use thereof for the production of wet-skid-resistant and low-rolling-resistance motor-vehicle tire treads with high abrasion resistance.
    Type: Application
    Filed: May 14, 2010
    Publication date: October 25, 2012
    Applicants: RHEIN CHEMIE RHEINAU GMBH, LANXESS DEUTSCHLAND GMBH
    Inventors: Norbert Steinhauser, Heike Kloppenburg, David Hardy, Alex Lucassen, Dietmar Hoff, Michaela Meiers
  • Method of production of cast polyamides
    Publication number: 20120245320
    Abstract: The present invention relates to a new method of production of cast polyamides.
    Type: Application
    Filed: October 27, 2011
    Publication date: September 27, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Armin Eckert
  • Novel Lubricity Enhancing Additives, a Method for Producing the Same and use Thereof
    Publication number: 20120245066
    Abstract: The invention relates to novel lubricity enhancing additives, to a method for producing the same, and to the use thereof.
    Type: Application
    Filed: May 3, 2010
    Publication date: September 27, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: David Larem, Sandra Horstmann, Steffen Sandhöfner
  • Column press for quality analysis
    Patent number: 8210060
    Abstract: The invention relates to a method and equipment for the testing of quality of polymer-bound rubber additives. According to the method, a polymer-bound rubber additive (3) is mixed with an EPDM masterbatch (2). The resultant test mixture (5) is forced through a test sieve (10), and the number of undispersed particles (14) removed by sieving is determined.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: July 3, 2012
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Martin Schuchmann, Hermann Herbel
  • Novel long-lasting bio-based plastics, the use thereof and a process for the production thereof
    Publication number: 20120165447
    Abstract: The present invention relates to novel long-lasting and hydrolysis-resistant bio-based plastics based on polyester resins, the use thereof and the process for the production thereof.
    Type: Application
    Filed: August 3, 2011
    Publication date: June 28, 2012
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: Andrea Fruth, Ana Maria Cano Sierra, Andreas Krug, Christian Steiger
  • Microgel-containing thermoplastic elastomer composition
    Patent number: 8188187
    Abstract: The present invention relates to a composition comprising thermoplastic materials and crosslinked microgels which are not crosslinked by high-energy radiation, processes for its preparation, its use for the production of thermoplastically processable shaped articles and shaped articles produced from the composition.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: May 29, 2012
    Assignees: LANXESS Deutschland GmbH, Rhein Chemie Rheinau GmbH
    Inventors: Ludger Heiliger, Thomas Früh, Volker Müller, Heiko Tebbe, Werner Obrecht, Robert Hans Schuster, Martin Müller
  • New dispersion adhesives, a process for preparing them and use thereof
    Publication number: 20120123052
    Abstract: The present invention relates to innovative aqueous dispersion adhesives, processes for preparing them and use thereof in the furniture and automotive industries.
    Type: Application
    Filed: October 7, 2011
    Publication date: May 17, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Peter Schuster, Christian Scheffner
  • Process for preparing carbodiimides
    Publication number: 20120123062
    Abstract: A method for producing compounds comprising at least one carbodiimide group is described, by reacting at least one isocyanate-containing starting compound or a derivative thereof, wherein the method is conducted in at least two stages.
    Type: Application
    Filed: May 3, 2010
    Publication date: May 17, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Bernd Kray, Michael Wuehr
  • Novel aqueous resorcinol-formaldehyde-latex dispersions, a process for production of the said dispersions and use of the said dispersions
    Publication number: 20120123029
    Abstract: The present invention relates to novel aqueous resorcinol-formaldehyde-latex dispersions comprising at least one surface-deactivated diisocyanate, to a process for production of the said dispersions, and to use of the said dispersions for improving adhesion in tyres.
    Type: Application
    Filed: August 23, 2011
    Publication date: May 17, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Henning Austmann, Peter Schuster, Andre Palzer
  • Novel bonding agents based on carbodiimides, aqueous resorcinol-formaldehyde-latex dispersions comprising bonding agent, adhesion-improved fibres, processes for production thereof and use thereof
    Publication number: 20120100290
    Abstract: The present invention relates to novel bonding agents based on carbodiimides, to aqueous resorcinol-formaldehyde-latex dispersion comprising bonding agent, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.
    Type: Application
    Filed: August 23, 2011
    Publication date: April 26, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Innovative long-lasting biobased plastics based on polyhydroxyalkanoate, a method for producing them and use thereof
    Publication number: 20120101200
    Abstract: The present invention provides innovative long-lasting and hydrolysis-stable biobased plastics based on polyhydroxyalkanoate (PHA), a method for producing them and their use.
    Type: Application
    Filed: August 3, 2011
    Publication date: April 26, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Andrea Fruth, Ana Maria Cano Sierra, Armin Eckert, Andreas Krug, Bernd Wiloth
  • Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof
    Patent number: 8153028
    Abstract: The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminum and/or aluminum alloys.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: April 10, 2012
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
  • Anticorrosion additives for manufacturing processes, a process for preparation thereof and use thereof
    Publication number: 20120074358
    Abstract: The present invention relates to novel anticorrosion additives for manufacturing processes, comprising at least one triazole and the reaction product of at least one alkylene glycol and at least one carboxylic anhydride, to a process for preparation thereof and to the use thereof for corrosion protection for aluminium and/or aluminium alloys.
    Type: Application
    Filed: December 6, 2011
    Publication date: March 29, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
  • METHOD FOR PRODUCING LACTAMATES BY WAY OF THIN FILM EVAPORATION
    Publication number: 20120071648
    Abstract: A method is described for producing lactamates by reacting alcoholates with lactams, wherein a reaction mixture comprising at least one alcoholate and at least one lactam is subjected to thin film evaporation.
    Type: Application
    Filed: February 5, 2009
    Publication date: March 22, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Hans Kasper, Stefan Schattner, Klaus Allgoewer, Bernd Kray, Michael Wuehr
  • Novel aqueous resorcinol-formaldehyde-latex dispersions, adhesion-improved fibres, processes for production thereof and use thereof
    Publication number: 20120071595
    Abstract: The present invention relates to novel aqueous resorcinol-formaldehyde-latex dispersion, to adhesion-improved fibres, to processes for production thereof, and to use thereof for improving adhesion in tyres.
    Type: Application
    Filed: August 23, 2011
    Publication date: March 22, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm Laufer, Anke Blaul, Armin Eckert, Andrea Fruth, Ana Maria Cano Sierra
  • Transformer oil composition, comprising at least one acid interceptor
    Publication number: 20120043505
    Abstract: The invention relates to a transformer oil composition comprising at least one acid interceptor. The invention further relates to the use of acid interceptor in transformer oils for improving stability.
    Type: Application
    Filed: February 22, 2010
    Publication date: February 23, 2012
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventor: Frank Bongardt
  • Use of crosslinked microgels for modifying the temperature-dependent behavior of non-crosslinkable organic media
    Patent number: 8119581
    Abstract: The invention relates to the use of microgels for modifying the temperature behavior of non-crosslinkable organic media, in particular in high temperature applications at least about 100° C., for example in engine oils, gear oils, etc.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: February 21, 2012
    Assignees: Rhein Chemie Rheinau GmbH, LANXESS Deutschland GmbH
    Inventors: Achim Fessenbecker, Patrick Galda, Torsten Ziser, Thomas Früh, Werner Obrecht