Patents by Inventor Michael Esser

Michael Esser 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 ISOLATING AN AQUEOUS HYDROCHLORIC ACID SOLUTION OF FECL3 FROM AN AQUEOUS MULTI-COMPONENT SYSTEM
    Publication number: 20230391634
    Abstract: The invention relates to a method for isolating an aqueous hydrochloric acid solution of FeCl3 from an aqueous multi-component system.
    Type: Application
    Filed: February 21, 2022
    Publication date: December 7, 2023
    Inventors: Michael ESSER, Stephanie PEPER, Karsten BECKER, Werner BÄCKER
  • Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives
    Patent number: 10577320
    Abstract: The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: March 3, 2020
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Taraneh Farida, Martin Littmann, Rafael Warsitz, Michael Esser, Albert Schnatterer
  • Method for producing acylsulfamoylbenzamides
    Patent number: 10513490
    Abstract: The invention relates to a method for producing compounds of formula (Ia), in particular to a method for producing N-[4-(cyclopropylcarbamoyl)phenylsulfonyl]-2-methoxybenzamide.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: December 24, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Taraneh Farida, Michael Esser, Hubertus Stakemeier
  • Method for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives
    Publication number: 20190144385
    Abstract: The present invention relates to novel methods for preparing cis-alkoxy-substituted spirocyclic 1-H-pyrrolidine-2,4-dione derivatives and also to novel intermediates and starting compounds, which are passed through or used in the method according to the invention.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 16, 2019
    Inventors: Taraneh FARIDA, Martin LITTMANN, Rafael WARSITZ, Michael ESSER, Albert SCHNATTERER
  • METHOD FOR PRODUCING ACYLSULFAMOYLBENZAMIDES
    Publication number: 20180118670
    Abstract: The invention relates to a method for producing compounds of formula (Ia), in particular to a method for producing N-[4-(cyclopropylcarbamoyl)phenylsulfonyl]-2-methoxybenzamide.
    Type: Application
    Filed: April 4, 2016
    Publication date: May 3, 2018
    Inventors: Taraneh FARIDA, Michael ESSER, Hubertus STAKEMEIER
  • Process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives
    Patent number: 9840459
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: December 12, 2017
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Taraneh Farida, Berndt Maiwald, Martin Littmann, Winfried Etzel, Rafael Warsitz, Nicolas Henck, Michael Esser
  • PROCESS FOR PREPARING CIS-ALKOXY-SUBSTITUTED SPIROCYCLIC PHENYLACETYLAMINO ACID ESTERS AND CIS- ALKOXY-SUBSTITUTED SPIROCYCLIC 1H- PYRROLIDINE-2,4-DIONE DERIVATIVES
    Publication number: 20160264516
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Application
    Filed: May 23, 2016
    Publication date: September 15, 2016
    Inventors: Taraneh FARIDA, Berndt MAIWALD, Martin LITTMANN, Winfried ETZEL, Rafael WARSITZ, Nicolas HENCK, Michael ESSER
  • Process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis- alkoxy-substituted spirocyclic 1H- pyrrolidine-2,4-dione derivatives
    Patent number: 9376374
    Abstract: The present invention relates to a novel process for preparing cis-alkoxy-substituted spirocyclic phenylacetylamino acid esters and cis-alkoxy-substituted spirocyclic 1H-pyrrolidine-2,4-dione derivatives, and also to novel intermediates and starting materials which are produced and/or used in the process according to the invention.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: June 28, 2016
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Taraneh Farida, Berndt Maiwald, Martin Littmann, Winfried Etzel, Rafael Warsitz, Nicolas Henck, Michael Esser