Patents by Inventor Christopher M. Chappelow

Christopher M. Chappelow 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).

  • PROCESS FOR THE SEPARATION OF PROBUCOL DERIVATIVES
    Publication number: 20100174108
    Abstract: Provided are methods for the separation of mono-substituted probucol derivatives from a mixture of both mono- and di-substituted probucol derivatives. In particular, methods are provided for the separation of mono-carboxy substituted probucol derivatives from a mixture of mono- and di-carboxy substituted probucol derivatives.
    Type: Application
    Filed: March 22, 2010
    Publication date: July 8, 2010
    Applicant: Salutria Pharmaceuticals, Inc.
    Inventors: M. David WEINGARTEN, Christopher M. CHAPPELOW
  • Process for the separation of probucol derivatives
    Patent number: 7687659
    Abstract: Provided are methods for the separation of mono-substituted probucol derivatives from a mixture of both mono- and di-substituted probucol derivatives. In particular, methods are provided for the separation of mono-carboxy substituted probucol derivatives from a mixture of mono- and di-carboxy substituted probucol derivatives.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: March 30, 2010
    Assignee: Salutria Pharmaceuticals LLC
    Inventors: M. David Weingarten, Christopher M. Chappelow
  • Process for reducing cohesiveness of polyallylamine polymer gels during drying
    Patent number: 6362266
    Abstract: Disclosed is a cross-linked polyallylamine polymer composition having reduced cohesiveness, a process for producing a cross-linked polyallylamine polymer having reduced cohesiveness from an aqueous solution of a washed cross-linked polyallylamine polymer treated with a surfactant and to cross-linked polyallylamine polymer compositions produced thereby.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: March 26, 2002
    Assignee: The Dow Chemical Company
    Inventors: Fredric L. Buchholz, Thomas L. Staples, Christopher M. Chappelow