Patents by Inventor Hermann-Josef Weidenhaupt

Hermann-Josef Weidenhaupt 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).

  • Patent number: 10907033
    Abstract: The invention relates to processing additive mixtures comprising at least one polyol, amide and/or carboxylic acid, optionally auxiliaries for crystallization and at least one organic ammonium salt. Said processing additive mixtures allow the optimization of the vulcanization behavior of rubber mixtures and the properties of vulcanizates obtained by said vulcanization.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: February 2, 2021
    Assignee: LANXESS Deutschland GmbH
    Inventors: Torsten Ziser, Harald Kleinknecht, Benjamin Bechem, Cristian Oprisoni, Hermann-Josef Weidenhaupt, Ulrich Feldhues, Martin Saewe
  • Publication number: 20200181382
    Abstract: Rubber mixtures containing at least one rubber, at least one filler and at least one compound of formula wherein R1, R3, R6 and R8 are identical or different and represent methyl or ethyl, R4 and R5 are identical or different and represent methyl or ethyl, R2 and R7 are identical or different and represent methyl or ethyl and x=4, and the vulcanizates obtainable therefrom and moldings containing said vulcanizates. The latter feature high strength and breaking elongation, low rolling resistance and good wet grip as well as low emission of VOC during production.
    Type: Application
    Filed: May 11, 2018
    Publication date: June 11, 2020
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Hermann-Josef Weidenhaupt, Irene Moll
  • Publication number: 20190031863
    Abstract: The invention relates to processing additive mixtures comprising at least one polyol, amide and/or carboxylic acid, optionally auxiliaries for the crystallization and at least one organic ammonium salt. Said processing additive mixtures allow the optimization of the vulcanization behavior of rubber mixtures and the properties of vuloanizates obtained by said vulcanization.
    Type: Application
    Filed: November 24, 2016
    Publication date: January 31, 2019
    Applicant: LANXESS Deutschland GmbH
    Inventors: Torsten ZISER, Harald KLEINKNECHT, Benjamin BECHEM, Cristian OPRISONI, Hermann-Josef WEIDENHAUPT, Ulrich FELDHUES, Martin SAEWE
  • Patent number: 10150853
    Abstract: The invention relates to substantially diphenylguanidine-free rubber mixtures comprising at least one rubber, one silica-based filler and/or carbon black and short-chain alkyl esters of glycerol, production of these, use and vulcanizates thus obtainable.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: December 11, 2018
    Assignee: LANXESS Deutschland GmbH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Patent number: 10005857
    Abstract: Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I):
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: June 26, 2018
    Assignee: ARLANXEO Deutschland GmbH
    Inventors: Heike Kloppenburg, Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Alicia Le-Sattler
  • Patent number: 9790352
    Abstract: The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products and from 0.1 to 15 phr of a polysulphide additive of the formula (I) A-S—(S)x—S—Y—S—(S)x—S-A??(I) where x is 0, 1 or 2, Y is an aliphatic, cycloaliphatic or aromatic group that is optionally substituted or else comprises heteroatoms and A is an optionally substituted hydroxyethyl, carboxyaryl, hydroxyaryl, carboxyalkyl or thionamide moiety, and comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of 1,6-bis(N,N-dibenzylthiocarbamoyldithio)hexane (CAS No.: 151900-44-6).
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: October 17, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Patent number: 9783658
    Abstract: A silica-containing rubber mixture is produced from a rubber, a sulphur-containing alkoxysilane, a crosslinking agent, a silica-containing filler, and 0.1 to 15 parts by weight, based on 100 parts by weight of the rubber, of a silicon-free polysulphide additive of the formula (I) A-S-(S)x-S-B where x is 0-4, and A and B are the same or different, are alkyl or aryl, and contain at last one oxygen, which may be in the form of a carboxyl group.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: October 10, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Ulrich Feldhues, Irene Moll
  • Publication number: 20170267841
    Abstract: The invention relates to substantially diphenylguanidine-free rubber mixtures each comprising at least a rubber, a silica-based filler and/or carbon black and polyethylenimine, to the production and use thereof and to the vulcanizates thus obtainable,
    Type: Application
    Filed: August 27, 2015
    Publication date: September 21, 2017
    Applicant: LANXESS Deutschland GmbH
    Inventors: Ulrich FELDHUES, Heinz UNTERBERG, Joerg HAGEMANN, Hermann-Josef WEIDENHAUPT, Melanie WIEDEMEIER-JARAD
  • Patent number: 9758642
    Abstract: A silica-containing rubber mixture includes at least one rubber, a sulphur-containing alkoxysilane, a crosslinking agent, a filler, and optionally further rubber auxiliaries, and the mixture also includes from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a silicon-free polysulphide additive of the formula (I) A-S—(S)x—S—Y—S—(S)x—S-A??(I) where x is 0, 1 or 2, Y is an optionally substituted or heteroatom-containing aliphatic, cycloaliphatic or aromatic group, and A may include hydroxy, carboxy, or carboxyphenyl groups.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: September 12, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Ulrich Feldhues, Irene Moll
  • Publication number: 20170130029
    Abstract: The present invention relates to polysulfides of the formula (I) where the cations K1+ and K2+ are each independently any monovalent cation or the fraction of any polyvalent cation which corresponds to a positive charge of one, and n is 2, 3, 4, 5, 6, these having a low residual acidity, and to processes for producing these polysulfide mixtures, to the use of the polysulfides of the formula (I) in rubber mixtures, to the corresponding rubber mixtures, to rubber vulcanizates produced therefrom and to the use thereof.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Applicant: LANXESS Deutschland GmbH
    Inventors: Ulrich FELDHUES, Heinz UNTERBERG, Hermann-Josef WEIDENHAUPT, Melanie WIEDEMEIER-JARAD
  • Patent number: 9637619
    Abstract: The present invention relates to novel polysulfides mixtures comprising compounds of the formula (I) where n is from 2 to 6, and R is C1-C8-alkyl, to processes for the production of said polysulfides mixtures, to use of these for the production of rubber matures, and to rubber vulcanizates produced therefrom.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: May 2, 2017
    Assignee: LANXESS Deutschland GmbH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Publication number: 20170088690
    Abstract: The invention relates to substantially diphenylguanidine-free rubber mixtures comprising at least one rubber, one silica-based filler and/or carbon black and short-chain alkyl esters of glycerol, production of these, use and vulcanizates thus obtainable.
    Type: Application
    Filed: June 2, 2015
    Publication date: March 30, 2017
    Applicant: LANXESS Deutschland GmbH
    Inventors: Ulrich FELDHUES, Heinz UNTERBERG, Hermann-Josef WEIDENHAUPT, Melanie WIEDEMEIER-JARAD
  • Patent number: 9493639
    Abstract: The present invention relates to rubber mixtures comprising respectively at least one rubber, one sulfur-containing alkoxysilane, one silicon-based filler, and one ?-mercaptocarboxylic ester of polyhydric alcohols.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: November 15, 2016
    Assignee: LANXESS Deutschland GmbH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Publication number: 20160280815
    Abstract: Vulcanizable polymer compositions based on backbone-functionalized polydienes having the general formula (I):
    Type: Application
    Filed: October 9, 2014
    Publication date: September 29, 2016
    Inventors: Heike KLOPPENBURG, Ulrich FELDHUES, Heinz UNTERBERG, Hermann-Josef WEIDENHAUPT, Melanie WIEDEMEIER-JARAD, Alicia LE-SATTLER
  • Patent number: 9447263
    Abstract: The invention relates to rubber mixtures comprising at least in each case one nonpolar rubber, carbon black, and short-chain alkyl esters of glycerol, production of these, use, and the vulcanizates thus obtainable.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: September 20, 2016
    Assignee: LANXESS Deutschland GmbH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Joerg Hagemann
  • Patent number: 9376551
    Abstract: The present invention relates to new crosslinked organosilicon polysulphides, to processes for preparing them and to their use as additives for plastics and/or rubbers.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: June 28, 2016
    Assignee: LANXESS Deutschland GmbH
    Inventors: Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Ulrich Feldhues
  • Patent number: 9249285
    Abstract: The present invention relates to a silica-containing rubber mixture produced from at least one rubber, one sulphur-containing alkoxysilane, one crosslinking agent, one filler, and optionally further rubber auxiliary products, wherein this mixture comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of a polysulphide additive of the formula (I) A-S—(S)x—S—B??(I) where x is 0, 1, 2, 3 or 4, and A and B, independently of one another, are an optionally derivatised carboxyalkyl, carboxyaryl or hydroxyaryl group, and comprises from 0.1 to 15 parts by weight, based on 100 parts by weight of rubber used, of 1,6 -bis(N,N-dibenzylthiocarbamoyldithio)hexane (CAS No.: 151900-44-6).
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 2, 2016
    Assignee: LANXESS DEUTSCHLAND GMBH
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Publication number: 20150291782
    Abstract: The invention relates to rubber mixtures comprising at least in each case one nonpolar rubber, carbon black, and short-chain alkyl esters of glycerol, production of these, use, and the vulcanizates thus obtainable.
    Type: Application
    Filed: December 4, 2013
    Publication date: October 15, 2015
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Joerg Hagemann
  • Publication number: 20150284547
    Abstract: The present invention relates to novel polysulfides mixtures comprising compounds of the formula (I) where n is from 2 to 8, and R is C1-C8-alkyl, to processes for the production of said polysulfides mixtures, to use of these for the production of rubber matures, and to rubber vulcanizates produced therefrom.
    Type: Application
    Filed: October 17, 2013
    Publication date: October 8, 2015
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad
  • Publication number: 20150274655
    Abstract: The present invention relates to polysulfide mixtures comprising two or more compounds of the formula (I), where the cations K1+ and K2+ mutually independently are any desired monovalent or are the nth part of an n-valent cation, and m is 0, 1, and/or 2, to a process for the production of these polysulfide mixtures, to the use of the polysulfide mixtures in rubber mixtures, to the rubber mixtures, to rubber vulcanizates produced therefrom, and to the use of these.
    Type: Application
    Filed: October 29, 2013
    Publication date: October 1, 2015
    Inventors: Ulrich Feldhues, Heinz Unterberg, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad