Patents by Inventor Sang H. Nam

Sang H. Nam 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).

  • Patent number: 5554631
    Abstract: The present invention relates to a novel compound 5-pyrrolyl-6-halogeno-2-pyridylmethylsulfinylbenzimidazole derivative having the following formula (I): ##STR1## or a pharmaceutically acceptable salt thereof, in which X represents S, SO or SO.sub.2,Y represents halogen,R.sub.1 and R.sub.2 independently from each other represent hydrogen or methyl,R.sub.3 represents hydrogen, C.sub.1 -C.sub.8 alkyl, --SR.sub.6, --N(R.sub.7).sub.2, or a group of formula --OR.sub.6 or --O(CH.sub.2).sub.m --Z, whereinR.sub.6 represents C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.10 cycloalkyl optionally substituted with C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.5 fluoroalkyl, phenyl optionally substituted with C.sub.1 -C.sub.4 alkyl or benzyl optionally substituted with C.sub.1 -C.sub.4 alkyl,R.sub.7 represents hydrogen or C.sub.1 -C.sub.5 alkyl,Z represents a group of formula --O(CH.sub.2).sub.q --R.sub.9 whereinq denotes an integer of 1 to 3, and R.sub.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: September 10, 1996
    Assignee: Il-Yang Pharm. Co., Ltd.
    Inventors: Su U. Kim, Dong Y. Kim, Gi J. Chung, Sung K. Hong, Sung J. Park, Sang H. Nam, Seung M. Lee
  • Patent number: D572908
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: July 15, 2008
    Inventor: Sang H. Nam
  • Patent number: D573354
    Type: Grant
    Filed: August 14, 2007
    Date of Patent: July 22, 2008
    Inventor: Sang H. Nam