Patents by Inventor David Mathre

David Mathre 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).

  • Crystalline forms of MC4R agonist and process for synthesis
    Patent number: 8129413
    Abstract: The present invention relates to a process for producing N-{(1S)-1-[2-(1-{[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-5-chlorophenyl]ethyl}acetamide, and novel crystalline salts, hydrates, solvates, and polymorphic forms thereof.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: March 6, 2012
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Ralph Calabria, Yu Cheng, Russell R. Ferlita, Ashkan Kamali, Jerry A. Murry, David Mathre, Andrey V. Peresypkin, Karen Thompson, Jian Wang, Robert M. Wenslow
  • Crystalline forms of mc4r agonist and process for synthesis
    Publication number: 20090233967
    Abstract: The present invention relates to a process for producing N-{(1S)-1-[2-(1-{[(3S,4R)-1-tert-butyl-4-(2,4-difluorophenyl)pyrrolidin-3-yl]carbonyl}piperidin-4-yl)-5-chlorophenyl]ethyl}acetamide, and novel crystalline salts, hydrates, solvates, and polymorphic forms thereof.
    Type: Application
    Filed: June 23, 2006
    Publication date: September 17, 2009
    Inventors: Ralph Calabria, Yu Cheng, Russell R. Ferlita, Ashkan Kamali, Jerry A. Murry, David Mathre, Andrey V. Peresypkin, Karen Thompson, Jian Wang, Robert M. Wenslow
  • Process for peptide segment condensation
    Patent number: 5502165
    Abstract: The present invention is drawn to a process for forming an amide bond linkage comprising reacting a carboxylic acid and an amine in a two-phase mixture of water and an organic solvent selected from an oxygenated organic solvent or an aromatic solvent in the presence of a coupling reagent and an additive. This process is useful for making ubiquitous amides and polypeptides having various biological activities.
    Type: Grant
    Filed: April 4, 1994
    Date of Patent: March 26, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Guo-Jie Ho, David A. Mathre, Zhiguo Song, Khateeta Emerson