Patents Assigned to Rhein-Chemie Rheinau GmbH
  • Publication number: 20170190873
    Abstract: The object of the invention is a method for stabilizing polyester-resin-based bioplastics by means of specific carbodiimides.
    Type: Application
    Filed: July 13, 2015
    Publication date: July 6, 2017
    Applicant: RHEIN CHEMIE RHEINAU GMBH
    Inventors: Wilhelm LAUFER, Martina SCHOENHABER
  • Publication number: 20170088509
    Abstract: The present invention relates to novel processes for producing bis[3-isopropenyl-?,?-dimethylbenzyl]carbodiimide, to the thus-produced bis[3-isopropenyl-?,?-dimethylbenzyl]carbodiimide and to the use thereof as a hydrolysis inhibitor in polyurethane (PU)-based systems, preferably thermoplastic TPU, PU adhesives, PU casting resins, PU elastomers or PU foams.
    Type: Application
    Filed: June 3, 2015
    Publication date: March 30, 2017
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm LAUFER, Martina SCHOENHABER, Armin ECKERT, Oliver HERD, Rolf SPERBER
  • Patent number: 9540480
    Abstract: The invention relates to the use of carbodiimide-containing compositions for controlling pot life in the production of polyurethane (PU)-based systems, preferably PU elastomers, PU adhesives, PU casting resins or PU foams.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: January 10, 2017
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Uwe Haas
  • Patent number: 9512299
    Abstract: The invention relates to novel carbodiimides having terminal urea and/or urethane groups, methods for the preparation thereof and use thereof as stabilizers in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PET), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and/or in PLA derivatives, in polybutylene adipate terephthalates (PBAT), in polybutylene succinates (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: December 6, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Benjamin Bechem, Armin Eckert
  • Patent number: 9512381
    Abstract: The invention relates to novel lubricity enhancing additives, to a method for producing the same, and to the use thereof.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: December 6, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: David Larem, Sandra Horstmann, Steffen Sandhöfner
  • Patent number: 9464256
    Abstract: The present invention relates to a novel method for preparing stabilized oil formulations by means of certain carbodiimides.
    Type: Grant
    Filed: May 6, 2014
    Date of Patent: October 11, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Armin Eckert, Siegfried Kuenzel
  • Patent number: 9452975
    Abstract: The present invention relates to novel biobased carbodiimides, a process for production thereof and use thereof. The biobased carbodiimides according to the invention comprise the reaction product of at least one carbodiimide and a carbon acid compound isolated or produced from renewable raw materials and having a functionality>1 and/or a hydroxy carboxylic ester having 2-24 carbon atoms.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: September 27, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Armin Eckert, Franco Orsini, Robert Eiben
  • Patent number: 9434807
    Abstract: Carbodiimide containing compositions include diilsocyenates, polyols, and liquid carbodiimide of the formula where R1, R2, R4 and R6 are each independently C3-C6-alkyl, and R3 and R5 are each independently C1-C3-alkyl.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: September 6, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Armin Eckert, Martina Hauck
  • Patent number: 9428611
    Abstract: The present invention relates to novel catalysts for the production of cast polyamide, to processes for production thereof and to the use thereof.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: August 30, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Serdar Uestuenbas
  • Patent number: 9410027
    Abstract: The present invention relates to a mixture which can be used as vulcanization accelerator, to a process for producing the mixture and to use of the mixture, to vulcanizates which comprise the said mixtures or which comprise corresponding individual constituents of the mixture, and also to vulcanizates which are produced with use of the said mixture.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: August 9, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Martin Säwe, Dietmar Hoff, Willi Grieshaber, Harald Kleinknecht
  • Patent number: 9388290
    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: Grant
    Filed: October 20, 2010
    Date of Patent: July 12, 2016
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Andreas Schroeder, Martin Saewe, Vincenza Meenenga
  • Patent number: 9321879
    Abstract: The invention relates to novel processes for controlling (extending) the pot life in polyurethane (PU) based systems that are chain-extended with diamines, preferably PU elastomers, PU adhesives, PU casting resins.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: April 26, 2016
    Assignee: Rhein Chemie Rheinau, GmbH
    Inventors: Wilhelm Laufer, Armin Eckert, Uwe Haas, Uwe Wuertz
  • Patent number: 9199925
    Abstract: The invention relates to innovative carbodiimides, to a process for preparing them and to the use thereof as stabilizer, crosslinker and/or compatibilizer in thermoplastics, ester-based polyols for polyurethane applications, in rigid foam, in flexible foam or, for example, in CASE (Coatings Adhesives Sealants Elastomers) applications.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: December 1, 2015
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Benjamin Bechem, Armin Eckert
  • Patent number: 9181394
    Abstract: The present invention relates to novel compositions for producing cast polyamides.
    Type: Grant
    Filed: May 23, 2012
    Date of Patent: November 10, 2015
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Benjamin Bechem, Andre Palzer
  • Patent number: 9121103
    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: December 6, 2011
    Date of Patent: September 1, 2015
    Assignee: Rhein Chemie Rheinau Gmbh
    Inventors: Sandra Leimenstoll, Anke Blaul, Reinhard Stier, Isabell Lange, David Larem
  • Publication number: 20150218314
    Abstract: The present invention relates to novel cast polyamides, to processes for production thereof and to the use thereof.
    Type: Application
    Filed: March 22, 2013
    Publication date: August 6, 2015
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Armin Eckert, Andre Palzer
  • Patent number: 9079805
    Abstract: The present invention relates to novel mixtures based on sulfur-crosslinked triglyceride, a process for their preparation, and their use as fertilizers, in particular for promoting the growth of plants which require sulfur.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: July 14, 2015
    Assignee: Rhein Chemie Rheinau GmbH
    Inventor: Helmut Muller
  • Patent number: 9062153
    Abstract: The present invention relates to novel compositions, to the preparation thereof and to the use thereof for the production of cast polyamides.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: June 23, 2015
    Assignee: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Andre Palzer, Volker Wenzel
  • Publication number: 20150090318
    Abstract: The present invention relates to novel foils for solar cells which feature improved hydrolysis resistance, and to the solar cells comprising said foils.
    Type: Application
    Filed: August 20, 2012
    Publication date: April 2, 2015
    Applicant: Rhein Chemie Rheinau GmbH
    Inventors: Wilhelm Laufer, Armin Eckert
  • Publication number: 20150051368
    Abstract: The present invention relates to novel compositions for production of cast polyamides.
    Type: Application
    Filed: August 31, 2012
    Publication date: February 19, 2015
    Applicants: LANXESS DEUTSCHLAND GMBH, RHEIN CHEMIE RHEINAU GMBH
    Inventors: Andreas Kugler, Armin Eckert, Wilhelm Laufer, Michael Witt, Detlev Joachimi, Gunter Margraf, Thomas Fruh