Patents by Inventor David Weyna

David Weyna 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).

  • Oral forms of a phosphonic acid derivative
    Patent number: 8980868
    Abstract: Novel solution complexes of zoledronic acid are described which give rise to improved properties of zoledronic acid. The invention includes aqueous solution and molecular complexes of zoledronic acid with and optical isomers of asparagine, histidine, arginine and proline as well as pharmaceutical complexes containing them and methods of treatment using them.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: March 17, 2015
    Assignee: Thar Pharmaceuticals, Inc.
    Inventors: Mazen Hanna, Ning Shan, Miranda Cheney, David Weyna
  • Crystallization method and bioavailability
    Patent number: 8399023
    Abstract: Preparation, in-vitro and in vivo characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl)phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: March 19, 2013
    Assignee: Thar Pharmaceuticals, Inc.
    Inventors: Mazen Hanna, Ning Shan, Miranda Cheney, David Weyna, Raymond K. Houck
  • NOVEL ORAL FORMS OF A PHOSPHONIC ACID DERIVATIVE
    Publication number: 20120190647
    Abstract: Novel solution complexes of zoledronic acid are described which give rise to improved properties of zoledronic acid. The invention includes aqueous solution and molecular complexes of zoledronic acid with and optical isomers of asparagine, histidine, arginine and proline as well as pharmaceutical complexes containing them and methods of treatment using them.
    Type: Application
    Filed: July 30, 2010
    Publication date: July 26, 2012
    Inventors: Mazen Hanna, Ning Shan, Miranda Cheney, David Weyna
  • CRYSTALLIZATION METHOD AND BIOAVAILABILITY
    Publication number: 20110028435
    Abstract: Preparation, in-vitro and in vivo characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl)phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Applicant: THAR PHARMACEUTICALS, INC.
    Inventors: Mazen HANNA, Ning Shan, Miranda Cheney, David Weyna, Raymond K. Houck