Patents by Inventor Rachel K. Longo

Rachel K. Longo 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).

  • Methods for the production and isolation of D-chiro-inositol from kasugamycin and the use of D-chiro-inositol obtained therefrom
    Patent number: 6342645
    Abstract: The present invention relates to methods for the production and isolation of D-chiro-inositol (DCI) from kasugamycin. More specifically, the present invention relates to a method of producing DCI by hydrolysis of kasugamycin with aqueous trifluoroacetic acid in the presence of a strongly acidic ion exchange resin. The present invention further relates to methods of isolating DCI from an aqueous mixture, such as a hydrolysis mixture, either directly or by forming an organic derivative of DCI.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: January 29, 2002
    Assignee: Insmed Pharmaceuticals, Inc.
    Inventors: Robert Plourde, Jr., Mark C. Sleevi, Rachel K. Longo
  • Methods for the production and isolation of D-chiro-inositol from kasugamycin and the use of D-chiro-inositol obtained therefrom
    Publication number: 20010044560
    Abstract: The present invention relates to methods for the production and isolation of D-chiro-inositol (DCI) from kasugamycin. More specifically, the present invention relates to a method of producing DCI by hydrolysis of kasugamycin with aqueous trifluoroacetic acid in the presence of a strongly acidic ion exchange resin. The present invention further relates to methods of isolating DCI from an aqueous mixture, such as a hydrolysis mixture, either directly or by forming an organic derivative of DCI.
    Type: Application
    Filed: December 29, 2000
    Publication date: November 22, 2001
    Inventors: Robert Plourde, Mark C. Sleevi, Rachel K. Longo