Patents by Inventor Gerhard Korb

Gerhard Korb 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).

  • Production of squalene and/or sterol from cell suspensions of fermented yeast
    Patent number: 10533153
    Abstract: The present invention relates to a process for the production of squalene and/or sterol in high amounts using an alkaline solution and an organic lysis solvent at high temperature and high pressure for effectively lysing yeast cells and extracting squalene and/or sterol into an organic extraction solvent, thus obtaining squalene and/or sterolin high amount and of high purity.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: January 14, 2020
    Assignee: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Andreas Haubrich, Gerhard Korb, Jean-Francois Trotzier
  • PRODUCTION OF SQUALENE AND/OR STEROL FROM CELL SUSPENSIONS OF FERMENTED YEAST
    Publication number: 20160024457
    Abstract: The present invention relates to a process for the production of squalene and/or sterol in high amounts using an alkaline solution and an organic lysis solvent at high temperature and high pressure for effectively lysing yeast cells and extracting squalene and/or sterol into an organic extraction solvent, thus obtaining squalene and/or sterolin high amount and of high purity.
    Type: Application
    Filed: March 11, 2014
    Publication date: January 28, 2016
    Inventors: Andreas HAUBRICH, Gerhard KORB, Jean-Francois TROTZIER
  • Process for carbonylating phenylalkyl derivatives by means of carbon monoxide
    Patent number: 8269033
    Abstract: The invention is directed a process of preparing a compound of formula (I), wherein R1, R2, R3 and z are as defined herein.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: September 18, 2012
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Joachim-Heiner Jendralla, Matthias Braun, Gerhard Korb
  • PROCESS FOR CARBONYLATING PHENYLALKYL DERIVATIVES BY MEANS OF CARBON MONOXIDE
    Publication number: 20100069661
    Abstract: The invention is directed a process of preparing a compound of formula (I), wherein R1, R2, R3 and z are as defined herein.
    Type: Application
    Filed: July 24, 2009
    Publication date: March 18, 2010
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Heiner JENDRALLA, Matthias BRAUN, Gerhard KORB
  • PROCESS FOR CARBONYLATING PHENYLALKYL DERIVATIVES BY MEANS OF CARBON MONOXIDE
    Publication number: 20070161814
    Abstract: The invention is directed a process of preparing a compound of formula (I), wherein R1, R2, R3 and z are as defined herein.
    Type: Application
    Filed: December 19, 2006
    Publication date: July 12, 2007
    Applicant: SANOFI-AVENTIS DEUTSCHLAND GMBH
    Inventors: Heiner JENDRALLA, Matthias BRAUN, Gerhard KORB
  • Process for preparing pyridine-substituted amino ketal derivatives
    Patent number: 6916934
    Abstract: The present invention relates to an efficient process for preparing derivatives of 1-(pyridinyl)-1,1-dialkoxy-2-aminoethane of the formula (I), with which compounds of the formula (I) can be prepared in high purity and yield and in the form of the free base without isolating the acetylpyridine oxime of the formula (XI) which is a critical product from a safety point of view as a solid.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: July 12, 2005
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Hans-Wolfram Flemming, Gerhard Korb, Juergen Mueller-Lehar, Walter Weber
  • Process for preparing pyridine-substituted amino ketal derivatives
    Publication number: 20040158073
    Abstract: The present invention relates to an efficient process for preparing derivatives of 1-(pyridinyl)-1,1-dialkoxy-2-aminoethane of the formula (I), with which compounds of the formula (I) can be prepared in high purity and yield and in the form of the free base without isolating the acetylpyridine oxime of the formula (XI) which is a critical product from a safety point of view as a solid.
    Type: Application
    Filed: January 26, 2004
    Publication date: August 12, 2004
    Applicant: Aventis Pharma Deutschland GmbH
    Inventors: Hans-Wolfram Flemming, Gerhard Korb, Juergen Mueller-Lehar, Walter Weber
  • Process for the preparation of &agr;,&agr;- dimethylphenylacetic acid from &agr;,&agr;-dimethylbenzyl cyanide under normal pressure
    Patent number: 6281383
    Abstract: A process for obtaining &agr;,&agr;-dimethylphenylacetic acid wherein &agr;,&agr;dimethylbenzyl cyanide is reacted in the presence of sodium hydroxide, water and a C4- and/or C5-alcohol at temperatures above about 100° C. and the &agr;,&agr;-dimethylphenylacetic acid is obtained by acidification.
    Type: Grant
    Filed: September 24, 1999
    Date of Patent: August 28, 2001
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Gerhard Korb, Hans-Wolfram Flemming, Rudolf Lehnert, Wolfgang Rybczynski
  • Process for the alkylation of alkyl-or benzylcyanogen derivatives in the presence of trialkylamines or trialkylphosphines
    Patent number: 6143896
    Abstract: A process for the alkylation of compounds of the formula II ##STR1## where the reaction with the alkylating agent is carried out in the presence of a base and a trialkylamine and/or trialkylphosphine.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: November 7, 2000
    Assignee: Aventis Pharma Deutschland GmbH
    Inventors: Gerhard Korb, Hans-Wolfram Flemming, Rudolf Lehnert
  • Process for obtaining 3,7-dialkylxanthines from 3-alkyl-xanthines
    Patent number: 5475107
    Abstract: Process for obtaining 3,7-dialkylxanthines from 3-alkyl-xanthines3,7-Dialkylxanthines are obtained from the corresponding 3-alkylxanthines using an alkylating agent in the presence of quaternary ammonium and/or phosphonium compounds and, where appropriate, of additional polyethers in a two-phase mixture.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: December 12, 1995
    Assignee: Hoechst-Roussel Pharmaceuticals Incorporated
    Inventors: Gerhard Korb, Hans-Wolfram Flemming