Patents by Inventor Henricus Nicolaas Sebastiaan VAN DER HAAS

Henricus Nicolaas Sebastiaan VAN DER HAAS 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 the preparation of a 2,4,5-trisubstituted 1,2,4-triazolone
    Patent number: 11365179
    Abstract: The present invention provides methods for the preparation of Compound (I): Compound (I), the use of intermediates for the preparation of said compound and its crystalline form A.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 21, 2022
    Assignees: BAYER AKTIENGESELLSCHAFT, BAYER PHARMA AKTIENGESELLSCHAFT
    Inventors: Jorma Hassfeld, Stefan Nikolaus Gradl, Philipp Rubenbauer, Henricus Nicolaas Sebastiaan Van Der Haas, Reinerus Gerardus Gieling
  • METHOD FOR THE PREPARATION OF A 2,4,5-TRISUBSTITUTED 1,2,4-TRIAZOLONE
    Publication number: 20210032212
    Abstract: The present invention provides methods for the preparation of Compound (I): Compound (I), the use of intermediates for the preparation of said compound and its crystalline form A.
    Type: Application
    Filed: April 3, 2019
    Publication date: February 4, 2021
    Applicants: BAYER AKTIENGESELLSCHAFT, BAYER PHARMA AKTIENGESELLSCHAFT
    Inventors: Jorma Hassfeld, Stefan Nikolaus Gradl, Philipp Rubenbauer, Henricus Nicolaas Sebastiaan VAN DER HAAS, Reinerus Gerardus GIELING