Patents by Inventor Claus Christian Haeselhoff

Claus Christian Haeselhoff 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).

  • THE MONOHYDRATE OF ROGARATINIB HYDROCHLORIDE AND SOLID STATES THEREOF
    Publication number: 20220098201
    Abstract: Compound (III) which is the crystalline form of [4-{[4-amino-6-(methoxymethyl)-5-(7-methoxy-5-methyl-1-benzothiophen-2-yl)pyrrolo[2, -f] [1,2,4]triazin-7-yl]methyl}piperazin-2-one hydrochloride] which is the monohydrate, processes for its preparation, pharmaceutical compositions comprising it and its use in the control of disorders, including cancer.
    Type: Application
    Filed: January 27, 2020
    Publication date: March 31, 2022
    Applicants: Bayer Aktiengesellschaft, Bayer Pharma Aktiengesellschaft
    Inventors: Jörg GRIES, Johannes PLATZEK, Claus-Christian HÄSELHOFF, Kai LOVIS
  • Process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles
    Patent number: 10899722
    Abstract: The present invention relates to a process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles starting from fluorinated carboxamides.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: January 26, 2021
    Assignee: BAYER CROPSCIENCE AKTIENGESELLSCHAFT
    Inventors: Albert Schnatterer, Jan Vermehren, Edith Beckmann, Claus-Christian Haeselhoff, Tim Hammerer, Stefan Grasser
  • PROCESS FOR THE PREPARATION OF FLUOROALKYLNITRILES AND THE CORRESPONDING FLUOROALKYLTETRAZOLES
    Publication number: 20190375721
    Abstract: The present invention relates to a process for the preparation of fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles starting from fluorinated carboxamides.
    Type: Application
    Filed: February 22, 2018
    Publication date: December 12, 2019
    Inventors: Albert SCHNATTERER, Jan VERMEHREN, Edith BECKMANN, Claus-Christian HAESELHOFF, Tim HAMMERER, Stefan GRASSER
  • METHOD FOR PREPARING FLUOROALKYLNITRILES AND THE CORRESPONDING FLUOROALKYLTETRAZOLES
    Publication number: 20190225590
    Abstract: The present invention relates to a method for preparing fluoroalkylnitriles and the corresponding fluoroalkyltetrazoles by reacting fluorinated carboxamides with phosphorus trichloride (PCl3) or phosphorus oxychloride (POCl3) in the presence of a base.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 25, 2019
    Applicant: Bayer CropScience Aktiengesellschaft
    Inventors: Claus-Christian HAESELHOFF, Albert SCHNATTERER, Jan VERMEHREN
  • PROCESS FOR THE PREPARATION OF 17-(3-HYDROXYPROPYL)-17-HYDROXYSTEROIDS
    Publication number: 20150005488
    Abstract: The present invention relates to a process for the preparation of 17?-(3-hydroxypropyl)-17?-hydroxysteroids of the formula I starting from 17-ketosteroids of the formula III via the intermediates of the formula V wherein the radicals R3, R5, R6, R7, R10, R13, R15, R16, R40, R41 and R42 have the meaning indicated in the description.
    Type: Application
    Filed: September 16, 2014
    Publication date: January 1, 2015
    Applicant: Bayer Schering Pharma AG
    Inventors: Claus Christian Haeselhoff, Mike Petersen
  • Process for the preparation of 17-(3-hydroxypropyl)-17-hydroxysteroids
    Patent number: 8853431
    Abstract: The present invention relates to a process for the preparation of 17?-(3-hydroxypropyl)-17?-hydroxysteroids of the formula I starting from 17-ketosteroids of the formula III via the intermediates of the formula V wherein the radicals R3, R5, R6, R7, R10, R13, R15, R16, R40, R41 and R42 have the meaning indicated in the description.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: October 7, 2014
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Claus Christian Haeselhoff, Mike Petersen
  • PROCESS FOR THE PREPARATION OF 17-(3-HYDROXYPROPYL)-17-HYDROXYSTEROIDS
    Publication number: 20090012286
    Abstract: The present invention relates to a process for the preparation of 17?-(3-hydroxypropyl)-17?-hydroxysteroids of the formula I starting from 17-ketosteroids of the formula III via the intermediates of the formula V wherein the radicals R3, R5, R6, R7, R10, R13, R15, R16, R40, R41 and R42 have the meaning indicated in the description.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 8, 2009
    Inventors: Claus-Christian HAESELHOFF, Mike Petersen
  • USE OF alpha,beta -UNSATURATED CARBONYL COMPOUNDS AS QUENCH REAGENTS FOR THE BIRCH REDUCTION
    Publication number: 20080300428
    Abstract: Use of ?,?-unsaturated carbonyl compounds as quench reagents for the Birch reduction.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 4, 2008
    Inventors: Ingo ORTMANN, Claus Christian Haeselhoff