Patents by Inventor Vasilios H. Iskos

Vasilios H. Iskos 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).

  • Patent number: 11014870
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: May 25, 2021
    Assignee: Horizon Therapeutics, LLC
    Inventors: Huai-Chueh Chang, Steven S. Pfeiffer, Vasilios H. Iskos, Maki Uragami, Steven Weissman, Andrew Thompson
  • Publication number: 20200002266
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Application
    Filed: May 7, 2019
    Publication date: January 2, 2020
    Inventors: Huai-Chueh CHANG, Steven S. PFEIFFER, Vasilios H. ISKOS, Maki URAGAMI, Steven WEISSMAN, Andrew THOMPSON
  • Patent number: 10329236
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: June 25, 2019
    Assignee: Horizon Therapeutics, LLC
    Inventors: Huai-Chueh Chang, Steven S. Pfeiffer, Vasilios H. Iskos, Maki Uragami, Steven Weissman, Andrew Thompson
  • Patent number: 9914692
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: March 13, 2018
    Assignee: Horizon Therapeutics, LLC
    Inventors: Huai-Chueh Chang, Steven S. Pfeiffer, Vasilios H. Iskos, Maki Uragami, Steven Weissman, Andrew Thompson
  • Publication number: 20170362160
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Application
    Filed: September 6, 2017
    Publication date: December 21, 2017
    Inventors: Huai-Chueh CHANG, Steven S. PFEIFFER, Vasilios H. ISKOS, Maki URAGAMI, Steven WEISSMAN, Andrew THOMPSON
  • Publication number: 20170342018
    Abstract: Provided is a process for preparing 4-phenyl-1-butyric acid, comprising: reacting 4-phenyl-1-butanol with sodium chlorite, a nitroxyl radical catalyst and sodium hypochlorite in an organic solvent and a phosphate buffer; and quenching the reaction with sodium sulfite to produce 4-phenyl-1-butyric. Also provided is 4-phenyl-1-butyric acid prepared by such a process.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Inventors: Huai-Chueh Chang, Steven S. Pfeiffer, Vasilios H. Iskos, Maki Uragami, Steven Weissman, Andrew Thompson