Patents by Inventor Steve Weissman

Steve Weissman 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).

  • Publication number: 20150158870
    Abstract: The present invention provides individual crystalline polymorphs of 7-(tert-Butyl-d9)-3-(2,5-difluorophenyl)-6-((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine designated Form 1, Form 3 and Form 4. Each polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: June 11, 2015
    Inventors: David Igo, Joanna Bis, Steve Weissman, David Turnquist
  • Publication number: 20150119398
    Abstract: The present invention provides the Form 2 crystalline polymorph of 7-(ieri-Butyl-d9)-3-(2,5-difluorophenyl)-6((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine. The polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); (c) FT-Raman spectrum; (d) FT-IT spectrum; and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: April 30, 2015
    Inventors: Steve Weissman, Joanna Bis, David Turnquist, David Igo
  • Publication number: 20150099753
    Abstract: The present invention provides individual crystalline polymorphs of 7-(tert-Butyl-d9)-3-(2,5-difluorophenyl)-6-((1-methyl-1H-1,2,4-triazol-5-yl)methoxy)-[1,2,4]triazolo[4,3-b]pyridazine designated Form 5. The Form 5 polymorph disclosed herein is characterized according to one or more of (a) powder X-ray diffraction data (“XRPD”); (b) differential scanning calorimetry (“DSC”); (c) FT-Raman spectroscopy; (d) FT-IR spectroscopy; and (e) thermogravimetric analysis (TGA).
    Type: Application
    Filed: May 11, 2013
    Publication date: April 9, 2015
    Inventors: David Igo, Joanna Bis, Steve Weissman, David Turnquist