Patents by Inventor Joshua Daniel Sieber

Joshua Daniel Sieber 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).

  • Chiral dihydrobenzooxaphosphole ligands and synthesis thereof
    Patent number: 10544177
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: January 28, 2020
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • NOVEL CHIRAL DIHYDROBENZOOXAPHOSPHOLE LIGANDS AND SYNTHESIS THEREOF
    Publication number: 20190144475
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 16, 2019
    Inventors: Jean-Nicolas DESROSIERS, Daniel Robert FANDRICK, NIZAR HADDAD, Guisheng LI, Nitinchandra D. PATEL, Bo QU, Sonia RODRIGUEZ, Chris Hugh SENANAYAKE, Joshua Daniel SIEBER, Zhulin TAN, Xiao-Jun WANG, Nathan K. YEE, Li ZHANG, Yongda ZHANG
  • Chiral dihydrobenzooxaphosphole ligands and synthesis thereof
    Patent number: 10221203
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: March 5, 2019
    Assignee: Boehringer Ingelheim International Gmbh
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • Chiral dihydrobenzoazaphosphole ligands and synthesis thereof
    Patent number: 10196413
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: February 5, 2019
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Soumik Biswas, Jean-Nicolas Desrosiers, Kendricks Lao, Hari P. R. Mangunuru, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Xiao-Jun Wang, Nathan K. Yee, Yongda Zhang
  • NOVEL CHIRAL DIHYDROBENZOOXAPHOSPHOLE LIGANDS AND SYNTHESIS THEREOF
    Publication number: 20180155375
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 7, 2018
    Inventors: Jean-Nicolas Desrosiers, Daniel Robert Fandrick, Nizar Haddad, Guisheng Li, Nitinchandra D. Patel, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Zhulin Tan, Xiao-Jun Wang, Nathan K. Yee, Li Zhang, Yongda Zhang
  • NOVEL CHIRAL DIHYDROBENZOAZAPHOSPHOLE LIGANDS AND SYNTHESIS THEREOF
    Publication number: 20180155377
    Abstract: This invention relates to novel phosphorous ligands useful for organic transformations. Methods of making and using the ligands in organic synthesis are described. The invention also relates to processes for preparing the novel ligands.
    Type: Application
    Filed: December 5, 2017
    Publication date: June 7, 2018
    Inventors: Soumik Biswas, Jean-Nicolas Desrosiers, Kendricks Lao, Hari P.R. Mangunuru, Bo Qu, Sonia Rodriguez, Chris Hugh Senanayake, Joshua Daniel Sieber, Xiao-Jun Wang, Nathan K. Yee, Yongda Zhang