Patents by Inventor Hans-Joachim Ressel

Hans-Joachim Ressel 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).

  • Process for producing phosphinates
    Patent number: 10968241
    Abstract: The present invention relates primarily to a process for producing particular phosphinates (phosphonous acid monoesters) and use thereof for producing biologically active substances which may be used in the pharmaceutical or agrochemical sector, preferably for producing phosphorus-containing amino acids.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: April 6, 2021
    Assignee: BASF SE
    Inventor: Hans-Joachim Ressel
  • Process for preparing phosphorus containing cyanohydrins
    Patent number: 10961265
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: March 30, 2021
    Assignee: BASF SE
    Inventors: Hans-Joachim Ressel, Kilian Tellman, Mark James Ford, Martin Littmann, Friedrich August Muehlthau, Guenter Schlegel
  • Process for producing phosphorus-containing cyanohydrin esters
    Patent number: 10941167
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: March 9, 2021
    Assignee: BASF SE
    Inventors: Hans-Joachim Ressel, Kilian Tellmann, Mark James Ford, Martin Littmann, Günter Schlegel
  • Process for producing phosphorus-containing cyanohydrin esters
    Patent number: 10611785
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: April 7, 2020
    Assignee: BASF SE
    Inventors: Hans-Joachim Ressel, Kilian Tellmann, Mark James Ford, Martin Littmann, Günter Schlegel
  • Process for producing phosphinates
    Publication number: 20200079804
    Abstract: The present invention relates primarily to a process for producing particular phosphinates (phosphonous acid monoesters) and use thereof for producing biologically active substances which may be used in the pharmaceutical or agrochemical sector, preferably for producing phosphorus-containing amino acids.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 12, 2020
    Inventor: Hans-Joachim RESSEL
  • Process for producing phosphinates
    Patent number: 10501485
    Abstract: The present invention relates primarily to a process for producing particular phosphinates (phosphonous acid monoesters) and use thereof for producing biologically active substances which may be used in the pharmaceutical or agrochemical sector, preferably for producing phosphorus-containing amino acids.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: December 10, 2019
    Assignee: BASF SE
    Inventor: Hans-Joachim Ressel
  • Process for producing biguanidine salts and s-triazines
    Patent number: 10494350
    Abstract: A process for producing biguanidine salts of formula (III) and s-triazines of formula (V) is described. Therein, R1 and R2 are in each case hydrogen, halogen and alkyl, and R3 and R4 are in each case hydrogen, alkyl, cycloalkyl and aryl.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: December 3, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim Ressel, Mark James Ford
  • Process for producing phosphorus-containing cyanohydrin esters
    Patent number: 10316048
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: June 11, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim Ressel, Kilian Tellmann, Mark James Ford, Martin Littmann, Günter Schlegel
  • PROCESS FOR PRODUCING BIGUANIDINE SALTS AND S-TRIAZINES
    Publication number: 20190040019
    Abstract: A process for producing biguanidine salts of formula (III) and s-triazines of formula (V) is described. Therein, R1 and R2 are in each case hydrogen, halogen and alkyl, and R3 and R4 are in each case hydrogen, alkyl, cycloalkyl and aryl.
    Type: Application
    Filed: September 5, 2016
    Publication date: February 7, 2019
    Inventors: Hans-Joachim RESSEL, Mark James FORD
  • Process for producing phosphorus-containing cyanohydrin esters
    Patent number: 10196410
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: February 5, 2019
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim Ressel, Kilian Tellmann, Mark James Ford, Martin Littmann, Günter Schlegel
  • PROCESS FOR PRODUCING PHOSPHORUS-CONTAINING CYANOHYDRIN ESTERS
    Publication number: 20180319827
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Application
    Filed: August 30, 2016
    Publication date: November 8, 2018
    Inventors: Hans-Joachim RESSEL, Kilian TELLMANN, Mark James FORD, Martin LITTMANN, Günter SCHLEGEL
  • PROCESS FOR PRODUCING PHOSPHINATES
    Publication number: 20180265529
    Abstract: The present invention relates primarily to a process for producing particular phosphinates (phosphonous acid monoesters) and use thereof for producing biologically active substances which may be used in the pharmaceutical or agrochemical sector, preferably for producing phosphorus-containing amino acids.
    Type: Application
    Filed: September 26, 2016
    Publication date: September 20, 2018
    Inventor: Hans-Joachim RESSEL
  • PROCESS FOR PRODUCING PHOSPHORUS-CONTAINING CYANOHYDRIN ESTERS
    Publication number: 20180251481
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim RESSEL, Kilian TELLMANN, Mark James FORD, Martin LITTMANN, Günter SCHLEGEL
  • PROCESS FOR PRODUCING PHOSPHORUS-CONTAINING CYANOHYDRIN ESTERS
    Publication number: 20180251480
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Application
    Filed: August 30, 2016
    Publication date: September 6, 2018
    Inventors: Hans-Joachim RESSEL, Kilian TELLMANN, Mark James FORD, Martin LITTMANN, Gunter SCHLEGEL
  • PROCESS FOR PRODUCING PHOSPHORUS-CONTAINING CYANOHYDRIN ESTERS
    Publication number: 20180244702
    Abstract: The present invention primarily relates to a process for producing certain phosphorus-containing cyanohydrin esters of formula (I) and the use thereof for producing glufosinate/glufosinate salts. The present invention further relates to a process for producing glufosinate/glufosinate salts.
    Type: Application
    Filed: August 29, 2016
    Publication date: August 30, 2018
    Inventors: Hans-Joachim RESSEL, Kilian TELLMANN, Mark James FORD, Martin LITTMANN, Günter SCHLEGEL
  • Process for preparing phosphorus containing cyanohydrins
    Patent number: 9850263
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: December 26, 2017
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim Ressel, Kilian Tellman, Mark James Ford, Martin Littmann, Friedrich August Muehlthau, Guenter Schlegel
  • PROCESS FOR PREPARING PHOSPHORUS CONTAINING CYANOHYDRINS
    Publication number: 20170313730
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Application
    Filed: July 20, 2017
    Publication date: November 2, 2017
    Inventors: Hans-Joachim RESSEL, Kilian TELLMAN, Mark James FORD, Martin LITTMANN, Friedrich August MUEHLTHAU, Guenter SCHLEGEL
  • PROCESS FOR PRODUCING METHYLDICHLOROPHOSPHANE
    Publication number: 20170313731
    Abstract: The present invention primarily relates to a process for producing methyldichlorophosphane (MDP) by reaction of methane with PCl3 (phosphorus trichloride) in the presence of a catalytically active amount of a compound of formula SOxCl2, wherein the index x may take the value 1 (SOCl2, thionyl chloride) or 2 (SO2Cl2, sulphuryl chloride). The present invention further relates to particular mixtures that are particularly suitable for producing methyldichlorophosphane (MDP) in the context of the process according to the invention/that are formed when carrying out a process according to the invention.
    Type: Application
    Filed: November 18, 2015
    Publication date: November 2, 2017
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: HANS-JOACHIM RESSEL, MARK JAMES FORD, Tim HAMMERER, Aurel WOLF
  • PROCESS FOR PREPARING PHOSPHORUS CONTAINING CYANOHYDRINS
    Publication number: 20170081349
    Abstract: The present invention relates primarily to a process for preparing certain phosphorus-containing cyanohydrins of the formula (I), and also to certain phosphorus-containing cyanohydrins per se and to their use for the preparation of glufosinate and/or glufosinate salts. The present invention further relates to certain mixtures particularly suitable for preparing the phosphorus-containing cyanohydrins of the formula (I).
    Type: Application
    Filed: May 8, 2015
    Publication date: March 23, 2017
    Applicant: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Hans-Joachim RESSEL, Kilian TELLMAN, Mark James FORD, Martin LITTMANN, Friedrich August MUEHLTHAU, Guenter SCHLEGEL
  • Hydrate and anhydrous crystal form of the sodium salt of 2-iodo-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl]benzenesulfonamide, process for preparation thereof and use thereof as herbicides and plant growth regulators
    Publication number: 20110237436
    Abstract: A hydrate and an anhydrous crystal form of the sodium salt of 2-iodo-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl]benzenesulfonamide are described. These thermodynamically stable crystal forms have particular advantages in the stability of suspension formulations.
    Type: Application
    Filed: March 2, 2011
    Publication date: September 29, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Britta OLENIK, Christian WALDRAFF, Arno RATSCHINSKI, Martin-Holger HINZ, Hans-Joachim RESSEL