Patents by Inventor Don D. Cha

Don D. Cha 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).

  • Removing Carbon Dioxide From Gaseous Emissions
    Publication number: 20110064634
    Abstract: The present invention provides methods and apparatuses for removing carbon dioxide from gaseous emissions. In particular, the present invention provides methods and apparatuses for removing carbon dioxide from gaseous emissions as a metallic carbonate precipitate.
    Type: Application
    Filed: February 11, 2009
    Publication date: March 17, 2011
    Applicant: AUXSOL, INC.
    Inventors: Michael L. Enos, W. Lowell Morgan, Randal R. Gingrich, Don D. Cha
  • Polyarylcarbamoylaza- and -carbamoylalkanedioic acids
    Patent number: 5556990
    Abstract: This invention relates to a class of novel dicarboxy amide derivatives of lipophilic amines which exhibit squalene synthase inhibition properties. More specifically the compounds are bis-aryl and/or heteroaryl alkyl or cycloalkylamino dicarboxy amides. Compounds of this invention reduce levels of serum cholesterol in the body without significantly reducing mevalonic metabolite synthesis. This invention relates also to pharmacological compositions and method of treatment for lowering serum cholesterol levels using the compounds of this invention.
    Type: Grant
    Filed: December 16, 1994
    Date of Patent: September 17, 1996
    Assignee: Rhone-Poulenc Rorer Pharmaceuticals Inc.
    Inventors: Henry W. Pauls, Yong-Mi Choi, Robert W. Studt, Martin P. Maguire, Alfred P. Spada, Don D. Cha