Patents by Inventor Herbert Riepl

Herbert Riepl 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: 11230481
    Abstract: The present invention relates to an installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate, the use of the installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate as well as the use of the installation for the mineralization and/or stabilization of water.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: January 25, 2022
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Nicholas Charles Nelson, Herbert Riepl, Wolfgang Kreuger
  • Patent number: 11130689
    Abstract: The present invention relates to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate, a process for the mineralization and/or stabilization of water as well as the use of the aqueous solution comprising at least one earth alkali hydrogen carbonate obtained by the process for the mineralization and/or stabilization of water.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: September 28, 2021
    Assignee: OMYA INTERNATIONAL AG
    Inventors: Nicholas Charles Nelson, Herbert Riepl, Wolfgang Kreuger
  • Publication number: 20190047885
    Abstract: The present invention relates to an installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate, the use of the installation for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate as well as the use of the installation for the mineralization and/or stabilization of water.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 14, 2019
    Inventors: Nicholas Charles Nelson, Herbert Riepl, Wolfgang Kreuger
  • Publication number: 20190039922
    Abstract: The present invention relates to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate, a process for the mineralization and/or stabilization of water as well as the use of the aqueous solution comprising at least one earth alkali hydrogen carbonate obtained by the process for the mineralization and/or stabilization of water.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 7, 2019
    Inventors: Nicholas Charles Nelson, Herbert Riepl, Wolfgang Kreuger
  • Publication number: 20170158532
    Abstract: The invention relates to a process for the selective precipitation of at least one conjugate base and/or at least one metal cation from an acidic preparation by neutralization as well as the use of an aqueous slurry of at least one calcium carbonate source for the selective precipitation of at least one conjugate base and/or at least one metal cation from an acidic preparation by neutralization.
    Type: Application
    Filed: June 30, 2015
    Publication date: June 8, 2017
    Inventors: Martine Poffet, Michael Skovby, Herbert Riepl, Michael Pohl
  • Patent number: 9527860
    Abstract: The present invention relates to certain chromane-like cyclic prenylflavonoids, in particular the compounds of formulae (I), (II) and (III) as described and defined herein, for use in the treatment or prevention of a neurological disorder, as well as their use in promoting neuronal differentiation, neurite outgrowth and neuroprotection.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: December 27, 2016
    Inventors: Ludwig Aigner, Eleni Oberbauer-Hofmann, S├ębastien Couillard-Despres, Francisco Javier Rivera, Herbert Riepl, Corinna Urmann, Martin Biendl
  • Publication number: 20140349919
    Abstract: The present invention relates to certain chromane-like cyclic prenylflavonoids, in particular the compounds of formulae (I), (II) and (III) as described and defined herein, for use in the treatment or prevention of a neurological disorder, as well as their use in promoting neuronal differentiation, neurite outgrowth and neuroprotection.
    Type: Application
    Filed: June 15, 2012
    Publication date: November 27, 2014
    Inventors: Ludwig Aigner, Eleni Oberbauer-Hofmann, S├ębastien Couillard-Despres, Francisco Javier Rivera, Herbert Riepl, Corinna Urmann, Martin Biendl
  • Patent number: 6087292
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## where M.sup.1 =Zr or Hf, R.sup.1 and R.sup.2 =(C.sub.1 -C.sub.3)-alkyl or chlorine, R.sup.3, with the proviso that at least one of the radicals R.sup.3 is not hydrogen, is hydrogen, F, Cl, --OR.sup.7, --NR.sup.7 R.sup.8, --P(O)R.sup.7 R.sup.8, --P(OR.sup.7).sub.2 or SR.sup.7, R.sup.4 is a ##STR2## radical, and m plus n are zero or 1.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: July 11, 2000
    Assignee: Tangor GmbH
    Inventors: Andreas Winter, Juergen Rohrmann, Martin Antberg, Walter Spaleck, Wolfgang Anton Herrmann, Herbert Riepl
  • Patent number: 5869584
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: February 9, 1999
    Assignee: Targor GmbH
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang Anton Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: 5763542
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## where M.sup.1 =Zr or Hf, R.sup.1 and R.sup.2 =(C.sub.1 -C.sub.3)-alkyl or chlorine, R.sup.3, with the proviso that at least one of the radicals R.sup.3 is not hydrogen, =hydrogen, F, Cl, --OR.sup.7, --NR.sup.7 R.sup.8, --P(O)R.sup.7 R.sup.8, --P(OR.sup.7).sub.2 or SR.sup.7, R.sup.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 9, 1998
    Assignee: Targor Gmbh
    Inventors: Andreas Winter, Juergen Rohrmann, Martin Antberg, Walter Spaleck, Wolfgang Anton Herrmann, Herbert Riepl
  • Patent number: 5504232
    Abstract: A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## where M.sup.1 =Zr or Hf, R.sup.1 and R.sup.2 =(C.sub.1 -C.sub.4)-alkyl or chlorine, R.sup.3, with the proviso that at least one of the radicals R.sup.3 is not hydrogen, =hydrogen, F, Cl, --OR.sup.7, --NR.sup.7 R.sup.8, --P(O)R.sup.7 R.sup.8, --P(OR.sup.7).sub.2 or SR.sup.7, R.sup.4 is a ##STR2## radical, and m plus n are zero or 1.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: April 2, 1996
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Andreas Winter, Juergen Rohrmann, Martin Antberg, Walter Spaleck, Wolfgang A. Herrmann, Herbert Riepl
  • Patent number: 5455365
    Abstract: Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligandsA highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I ##STR1## in which, preferably M.sup.1 is Zr or Hf, R.sup.1 and R.sup.2 are alkyl or halogen, R.sup.5 is hydrogen or alkyl, R.sup.3 and R.sup.4 are alkyl, where R.sup.3, R.sup.4 and R.sup.5 may be halogenated, --(CR.sup.7 R.sup.8).sub.m --R.sup.6 --(CR.sup.7 R.sup.8).sub.n -- is a single- or multi-membered chain in which R.sup.6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: October 3, 1995
    Assignee: Hoechst AG
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang A. Herrmann, Volker Dolle, Juergen Rohrmann
  • Patent number: 5268495
    Abstract: The invention relates to a process for the preparation of a compound of the formula XI ##STR1## wherein preferably M.sup.1 is zirconium, the radicals R.sup.1 are alkyl, the radicals R.sup.2 are halogen or alkyl, R.sup.3 is dimethylsilyl or ethylene and n is 2-18, wherein a compound of the formula II ##STR2## is reacted with an alkali metal or alkaline earth metal salt of a malonic ester and then with an alkyl halide, the reaction product is converted by decarboxylation into the corresponding lactone, which is further reacted by known methods to give the compound XI.The compounds of the formula XI, some of which are novel, can advantageously be used as catalysts for olefin polymerization.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: December 7, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Riepl, Wolfgang A. Herrmann, Jurgen Rohrmann
  • Patent number: 5155274
    Abstract: New complexes of the elements of Groups VIIA, VIIIA, and IB of the Periodic Table* with the trisodium salt of tris(m-sulfophenyl)phosphane as a complex ligand. The complexes are used as catalysts for hydrogenations for the water gas reactions, hydrocarbonyls, hydroformylations, oxidations, carbon-carbon cross-linking reactions (e.g. allene/alkine coupling), and additions of secondary amines to carbon-carbon double bonds.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: October 13, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Jurgen Kulpe, Jurgen Kellner, Herbert Riepl
  • Patent number: 5057618
    Abstract: New complexes of the elements of Groups VIIA, VIIIA, and IB of the Periodic Table* with the trisodium salt of tris(m-sulfophenyl)phosphane as a complex ligand. The complexes are used as catalysts for hydrogenations for the water gas reactions, hydrocarbonyls, hydroformylations, oxidations, carbon-carbon cross-linking reactions (e.g. allene/alkine coupling), and additions of secondary amines to carbon-carbon double bonds.*according to the IUPAC version.
    Type: Grant
    Filed: November 30, 1989
    Date of Patent: October 15, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Jurgen Kulpe, Jurgen Kellner, Herbert Riepl
  • Patent number: RE37573
    Abstract: Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligands A highly effective catalyst system for the polymerization of olefins comprises a cocatalyst, preferably an aluminoxane, and a metallocene of the formula I in which, preferably M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R5 is hydrogen or alkyl, R3 and R4 are alkyl, where R3, R4 and R5 may be halogenated, —(CR7R8)m—R6—(CR7R8)n— is a single- or multi-membered chain in which R6 may also be a (substituted) heteroatom, and m+n is zero or 1.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: March 5, 2002
    Assignee: Basell Polyolefin GmbH
    Inventors: Andreas Winter, Frank Kueber, Walter Spaleck, Herbert Riepl, Wolfgang A. Herrmann, Volker Dolle, Juergen Rohrmann