Patents by Inventor Sean Ritchie

Sean Ritchie 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: 20190084978
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Application
    Filed: April 11, 2018
    Publication date: March 21, 2019
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Patent number: 9969730
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: May 15, 2018
    Assignee: Sunesis Pharmaceuticals, Inc.
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Publication number: 20170226104
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Application
    Filed: September 16, 2016
    Publication date: August 10, 2017
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Patent number: 9469635
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: October 18, 2016
    Assignee: Sunesis Pharmaceuticals, Inc.
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Publication number: 20140275547
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Application
    Filed: October 16, 2013
    Publication date: September 18, 2014
    Applicant: SUNESIS PHARMACEUTICALS, INC.
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Henggin Cheng
  • Patent number: 8586601
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: November 19, 2013
    Assignee: Sunesis Pharmaceuticals, Inc.
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Patent number: 8455662
    Abstract: Formulations are provided, comprising: a compound of Formula I, a pharmaceutically acceptable salt thereof, or a mixture of any two or more thereof; and an ingredient selected from a hydrophilic solvent, a lipophilic solvent, an emulsifier, or a mixture of any two or more thereof; wherein the compound of Formula I is: In some embodiments, the formulations are liquids. In other embodiments, the formulations are solids. Also provided are methods of preparing such formulations.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: June 4, 2013
    Assignee: Novartis AG
    Inventors: Ahmad Hashash, Sean Ritchie, Kangwen Lin, Peng Shen, Augustus Okhamafe, Rampurna Gullapalli
  • Patent number: 8138202
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: March 20, 2012
    Assignee: Sunesis Pharmaceuticals, Inc.
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Publication number: 20110086876
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Application
    Filed: December 30, 2010
    Publication date: April 14, 2011
    Inventors: Anantha Sudhakar, Jeff Jacobs, Ahmad Hashash, Sean Ritchie, Hengqin Cheng
  • Publication number: 20110082169
    Abstract: Methods of preparing substantially pure SNS-595 substance are disclosed. Also provided are compositions comprising SNS-595 substance that are substantially pure and essentially free of visible particles.
    Type: Application
    Filed: September 3, 2010
    Publication date: April 7, 2011
    Inventors: Anantha SUDHAKAR, Jeff Jacobs, Ahmad Hashasb, Sean Ritchie, Hengqin Cheng
  • Publication number: 20100040677
    Abstract: Formulations are provided, comprising: a compound of Formula I, a pharmaceutically acceptable salt thereof, or a mixture of any two or more thereof; and an ingredient selected from a hydrophilic solvent, a lipophilic solvent, an emulsifier, or a mixture of any two or more thereof; wherein the compound of Formula I is: In some embodiments, the formulations are liquids. In other embodiments, the formulations are solids. Also provided are methods of preparing such formulations.
    Type: Application
    Filed: July 20, 2007
    Publication date: February 18, 2010
    Inventors: Ahmad Hashash, Sean Ritchie, Kangwen Lin, Peng Shen, Augustus Okhamafe, Rampurna Gullapalli