Patents by Inventor Ralph Curtis Haltiwanger

Ralph Curtis Haltiwanger 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).

  • SOLID STATE FORMS OF SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20200109151
    Abstract: The present invention provides solid state forms of certain spiro-oxindole compounds, such as funapide and the racemic mixture of funapide and its corresponding (R) enantiomer, pharmaceutical compositions comprising the solid state forms and processes for preparing the solid state forms and the pharmaceutical compositions.
    Type: Application
    Filed: December 6, 2019
    Publication date: April 9, 2020
    Inventors: Ronen BEN-DAVID, Stephen BIERLMAIER, Ralph Curtis HALTIWANGER, Alexandr JEGOROV, Raeann Ruiyun WU, Mehran YAZDANIAN
  • Solid state forms of spiro-oxindole compounds
    Patent number: 10513526
    Abstract: The present invention provides solid state forms of certain spiro-oxindole compounds, such as funapide and the racemic mixture of funapide and its corresponding (R) enantiomer, pharmaceutical compositions comprising the solid state forms and processes for preparing the solid state forms and the pharmaceutical compositions.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: December 24, 2019
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Ronen Ben-David, Stephen Bierlmaier, Ralph Curtis Haltiwanger, Alexandr Jegorov, Raeann Ruiyun Wu, Mehran Yazdanian
  • SOLID STATE FORMS OF SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20190071449
    Abstract: The present invention provides solid state forms of certain spiro-oxindole compounds, such as funapide and the racemic mixture of funapide and its corresponding (R) enantiomer, pharmaceutical compositions comprising the solid state forms and processes for preparing the solid state forms and the pharmaceutical compositions.
    Type: Application
    Filed: October 10, 2018
    Publication date: March 7, 2019
    Inventors: Ronen Ben-David, Stephen Bierlmaier, Ralph Curtis Haltiwanger, Alexandr Jegorov, Raeann Ruiyun Wu, Mehran Yazdanian
  • Solid state forms of spiro-oxindole compounds
    Patent number: 10118932
    Abstract: The present invention provides solid state forms of certain spiro-oxindole compounds, such as funapide and the racemic mixture of funapide and its corresponding (R) enantiomer, pharmaceutical compositions comprising the solid state forms and processes for preparing the solid state forms and the pharmaceutical compositions.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: November 6, 2018
    Assignee: Xenon Pharmaceuticals Inc.
    Inventors: Ronen Ben-David, Stephen Bierlmaier, Ralph Curtis Haltiwanger, Alexandr Jegorov, Raeann Ruiyun Wu, Mehran Yazdanian
  • SOLID STATE FORMS OF SPIRO-OXINDOLE COMPOUNDS
    Publication number: 20180016283
    Abstract: The present invention provides solid state forms of certain spiro-oxindole compounds, such as funapide and the racemic mixture of funapide and its corresponding (R) enantiomer, pharmaceutical compositions comprising the solid state forms and processes for preparing the solid state forms and the pharmaceutical compositions.
    Type: Application
    Filed: June 16, 2017
    Publication date: January 18, 2018
    Inventors: Ronen Ben-David, Stephen Bierlmaier, Ralph Curtis Haltiwanger, Alexandr Jegorov, Raeann Ruiyun Wu, Mehran Yazdanian
  • L-tartrate salt of pridopidine
    Patent number: 9796673
    Abstract: The subject invention provides pridopidine L-tartrate, compositions and a process for manufacture thereof.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: October 24, 2017
    Assignee: TEVA PHARMACEUTICALS INTERNATIONAL GMBH
    Inventors: Raeann Wu, Ralph Curtis Haltiwanger, Stephen Bierlmaier, Mehran Yazdanian
  • L-TARTRATE SALT OF PRIDOPIDINE
    Publication number: 20160176821
    Abstract: The subject invention provides pridopidine L-tartrate, compositions and a process for manufacture thereof.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 23, 2016
    Applicant: Teva Pharmaceuticals International GmbH
    Inventors: Raeann Wu, Ralph Curtis Haltiwanger, Stephen Bierlmaier, Mehran Yazdanian