Patents by Inventor Jai M. Shin

Jai M. Shin 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).

  • Prodrugs of proton pump inhibitors
    Patent number: 6897227
    Abstract: Prodrugs of proton pump inhibitors of Formulas 1 through 4, where the symbols are as defined in the specification, and the R group includes at least one acidic group or its pharmaceutically acceptable salt, have improved aqueous solubility and bioavailability.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: May 24, 2005
    Assignees: Winston Pharmaceuticals, Inc., The United States of America as represented by the Department of Veteran Affairs, The Reagents of the University of California
    Inventors: Michael Garst, George Sachs, Jai M. Shin
  • Prodrugs of proton pump inhibitors
    Publication number: 20040102484
    Abstract: Prodrugs of proton pump inhibitors of Formulas 1 through 4, 1
    Type: Application
    Filed: July 15, 2003
    Publication date: May 27, 2004
    Inventors: Michael Garst, George Sachs, Jai M. Shin
  • Process for preparing N"-[4-[[(2-cyanoethyl)thio]methyl]-2-thiazolyl]guanidine
    Patent number: 4942243
    Abstract: A process for preparing N"-[4-[[(2-cyanoethyl)thiol]methyl]-2-thiazolyl]guanidine which comprises reacting a dihaloacetone with an .beta.-cyanoethylthiol in a two phase solvent system at a pH of 4.5-6.0 to produce a 1-halo-3-(2-cyanoethylthio)propanone and reacting the 1-halo-3-(2-cyanoethylthio) with an amidinothiourea.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: July 17, 1990
    Assignee: Hanil Pharmaceutical Ind., Co., Ltd.
    Inventors: Moon G. Koh, Jai M. Shin, Dong S. Kim, Choon S. Lee