Patents by Inventor Paul Schields

Paul Schields 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: 20160031897
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: August 3, 2015
    Publication date: February 4, 2016
    Applicant: SALIX PHARMACEUTICALS, LTD
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit
  • Patent number: 9133217
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: September 15, 2015
    Assignee: Salix Pharmaceuticals, Ltd
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit
  • Publication number: 20150118307
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: May 27, 2014
    Publication date: April 30, 2015
    Applicant: SALIX PHARMACEUTICALS, LTD
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit
  • Patent number: 8735419
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: May 27, 2014
    Assignee: Salix Pharmaceuticals, Ltd.
    Inventors: Stephan D. Parent, Lisa L. McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared P. Smit
  • Publication number: 20130310409
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: July 24, 2013
    Publication date: November 21, 2013
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit
  • Patent number: 8507517
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: August 13, 2013
    Assignee: Salix Pharmaceuticals, Ltd
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit
  • Publication number: 20120264774
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: June 22, 2012
    Publication date: October 18, 2012
    Inventors: Stephan D. Parent, Lisa L. McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared P. Smit
  • Publication number: 20120207833
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: February 10, 2012
    Publication date: August 16, 2012
    Inventors: Stephan D. Parent, Lisa L. McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared P. Smit
  • Publication number: 20120207832
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Application
    Filed: March 29, 2012
    Publication date: August 16, 2012
    Inventors: Steven D. Parent, Lisa L. McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared P. Smit
  • Patent number: 8227482
    Abstract: Embodiments relate to Rifaximin polymorphic, salt, and hydrate forms, methods of producing polymorphic forms and to their use in medicinal preparations and to therapeutic methods using them.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: July 24, 2012
    Assignee: Salix Pharmaceuticals, Ltd.
    Inventors: Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu, Fei Ding, Jared Peters Smit