Patents by Inventor Robert Markert

Robert Markert 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).

  • Method for producing sorbic anhydride and also use thereof as a preservative in foods
    Patent number: 9102613
    Abstract: A method is described for the production of sorbic anhydride, in which alkali metal or alkaline earth metal salts of sorbic acid are reacted with phosgene in an inert organic solvent. In addition, use thereof as a preservative in foods, in particular drinks, is described.
    Type: Grant
    Filed: October 27, 2011
    Date of Patent: August 11, 2015
    Assignee: LANXESS DEUTSCHLAND GMBH
    Inventors: Ralf Krahwinkel, Robert Markert, Edwin Ritzer, Erasmus Vogl
  • METHOD FOR PRODUCING SORBIC ANHYDRIDE AND ALSO USE THEREOF AS A PRESERVATIVE IN FOODS
    Publication number: 20140087039
    Abstract: A method is described for the production of sorbic anhydride, in which alkali metal or alkaline earth metal salts of sorbic acid are reacted with phosgene in an inert organic solvent. In addition, use thereof as a preservative in foods, in particular drinks, is described.
    Type: Application
    Filed: October 27, 2011
    Publication date: March 27, 2014
    Applicant: LANXESS Deutschland GmbH
    Inventors: Ralf Krahwinkel, Robert Markert, Edwin Ritzer, Erasmus Vogl
  • Biphenyl carboxamides
    Patent number: 7208169
    Abstract: The invention relates to novel biphenylcarboxamides of the formula (I) in which R1, R2, m, n, R3, Y and A are as defined in the disclosure, to a plurality of processes for preparing these substances and their use for controlling unwanted microorganisms, and to novel intermediates and their preparation.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: April 24, 2007
    Assignee: Bayer CropScience LP
    Inventors: Ralf Dunkel, Hans-Ludwig Elbe, Heiko Rieck, Robert Markert, Ulrike Wachendorff-Neumann, Astrid Mauler-Machnik, Karl-Heinz Kuck, Martin Kugler, Thomas Jaetsch
  • Biphenyl carboxamides
    Publication number: 20050272785
    Abstract: Novel biphenylcarboxamides of the formula (I) in which R1, R2, m, n, R3, Y and A are as defined in the description, a plurality of processes for preparing these substances and their use for controlling unwanted microorganisms, and also novel intermediates and their preparation.
    Type: Application
    Filed: April 16, 2003
    Publication date: December 8, 2005
    Inventors: Ralf Dunkel, Hans-Ludwig Elbe, Heiko Rieck, Robert Markert, Ulrike Wachendorff-Neumann, Astrid Mauler-Machnik, Karl-Heinz Kuck, Martin Kugler, Thomas Jaetsch
  • Carbanilides used as pesticides
    Patent number: 6716881
    Abstract: The present invention provides carbanilides of formula (I), wherein A, Q, R, X, Z and m are as defined herein. A plurality of processes for preparing these compounds is provided, along with methods of using the compounds to control microorganisms in crops and in the protection of materials. The compounds of the present invention also find use in controlling animal pests.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: April 6, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Bernd-Wieland Krüger, Robert Markert, Ralf Tiemann, Dietmar Kuhnt, Stefan Dutzmann, Klaus Stenzel, Christoph Erdelen, Martin Kugler, Hans-Ulrich Buschhaus
  • Carbanilides used as pesticide
    Publication number: 20030078287
    Abstract: The present invention provides carbanilides of formula (I), 1
    Type: Application
    Filed: May 30, 2002
    Publication date: April 24, 2003
    Inventors: Hans-Ludwig Elbe, Bernd-Wieland Kruger, Robert Markert, Ralf Tiemann, Dietmar Kuhnt, Stefan Dutzmann, Klaus Stenzel, Christoph Erdelen, Martin Kugler, Hans-Ulrich Buschhaus
  • Carbanilides as pesticides
    Patent number: 6534532
    Abstract: The invention concerns novel carbanilides of formula (I), in which A, Q, R, X, Z and m have the meanings given in the description. The invention further concerns a plurality of processes for preparing these substances, in their use as microbiocides for controlling undesirable microorganisms both in crop protection and in the protection of materials. Additionally, they are suitable for controlling animal pests.
    Type: Grant
    Filed: September 18, 2001
    Date of Patent: March 18, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Bernd-Wieland Krüger, Robert Markert, Ralf Tiemann, Dietmar Kuhnt, Stefan Dutzmann, Klaus Stenzel, Christoph Erdelen, Martin Kugler, Hans-Ulrich Buschhaus
  • O-aryl dithiazole dioxides
    Patent number: 6531496
    Abstract: The invention relates to new O-aryldithiazole dioxides, to two processes for their preparation, and to their use as pesticides in crop protection and in the protection of materials.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: March 11, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hermann Uhr, Christiane Boie, Heiko Rieck, Bernd-Wieland Krüger, Ulrich Heinemann, Robert Markert, Martin Vaupel, Martin Kugler, Klaus Stenzel, Ulrike Wachendorff-Neumann, Astrid Mauler-Machnik, Karl-Heinz Kuck, Peter Lösel, Shinichi Narabu
  • Sulphonylbenzazolones
    Publication number: 20020188131
    Abstract: Sulphonylbenzazolones of the formula 1
    Type: Application
    Filed: April 1, 2002
    Publication date: December 12, 2002
    Inventors: Lutz Assmann, Hans-Ludwig Elbe, Robert Markert, Ralf Tiemann, Klaus Stenzel
  • Sulphonylbenzazolones
    Patent number: 6465499
    Abstract: Sulphonylbenzazolones of the formula in which R1, R2, R3, R4, R5 and Q are each as defined in the description, a process for preparing these compounds and their use as microbicides in crop protection and in the protection of materials.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: October 15, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Hans-Ludwig Elbe, Robert Markert, Ralf Tiemann, Klaus Stenzel
  • Methoximinophenylacetic acid amides
    Patent number: 6403600
    Abstract: The invention relates to novel methoximinophenylacetamides, to a process for their preparation and to their use as fungicides.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: June 11, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Fritz Maurer, Herbert Gayer, Peter Gerdes, Ulrich Heinemann, Bernd-Wieland Krüger, Robert Markert, Klaus Stenzel, Gerd Hänssler, Astrid Mauler-Machnik
  • Carbanilides used as pesticides
    Patent number: 6319940
    Abstract: The invention concerns novel carbanilides of formula (I), in which A, Q, R, X, Z and m have the meanings given in the description. The invention further concerns a plurality of processes for preparing these substances, and their use as microbicides for controlling undesirable microorganisms both in crop protection and in the protection of materials. Additionally, they are suitable for controlling animal pests.
    Type: Grant
    Filed: January 20, 1999
    Date of Patent: November 20, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Bernd-Wieland Krüger, Robert Markert, Ralf Tiemann, Dietmar Kuhnt, Stefan Dutzmann, Klaus Stenzel, Christoph Erdelen, Martin Kugler, Hans-Ulrich Buschhaus
  • Fungicidal methoximinomethyldioxazines
    Patent number: 6262051
    Abstract: The invention relates to novel methoximinomethyldioxazines, to a plurality of processes for their preparation and to their use as fungicides, and also to novel intermediates and to a process for their preparation.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: July 17, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ulrich Heinemann, Herbert Gayer, Peter Gerdes, Bernd-Wieland Krüger, Robert Markert, Thomas Seitz, Bernd Gallenkamp, Uwe Stelzer, Ralf Tiemann, Astrid Mauler-Machnik, Stefan Dutzmann, Klaus Stenzel, Gerd Hänssler
  • Sulfonyl benzazolones
    Patent number: 6180655
    Abstract: Sulphonylbenzazolones of the formula in which R1, R2, R3, R4, R5 and Q are each as defined in the description. a process for preparing these compounds and their use as microbicides in crop protection and in the protection of materials.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: January 30, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Hans-Ludwig Elbe, Robert Markert, Ralf Tiemann, Klaus Stenzel
  • Use of pyrrolopyrimidines for controlling pests
    Patent number: 6103726
    Abstract: Pyrrolopyrimidines of formula (I) in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and A have the meanings given in the description, and their acid-addition salts and metal salt complexes are very highly suitable for combatting vegetable and animal pests.Novel pyrrolopyrimidines of formula (Ia) in which R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10 and Z have the meanings given in the description, and their acid-addition salts and metal salt complexes, and a process for their production.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: August 15, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dietmar Kuhnt, Klaus-Gunther Tietjen, Hermann Uhr, Robert Markert, Ralf Tiemann, Klaus Stenzel, Stefan Dutzmann, Christoph Erdelen, Ulrike Wachendorff-Neumann
  • Frame structures formed of double tube components
    Patent number: 5450703
    Abstract: A structure formed by one or more double tube assemblies characterized by a cross-sectional configuration including two circular walls interjoined by two planar walls interconnected with the circular walls substantially at diametrically opposed circumferential locations in the circular walls.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: September 19, 1995
    Assignee: Johnson Camping, Inc.
    Inventors: Michael J. Fuhrman, Robert A. Markert