Patents by Inventor Cheol Min Hur

Cheol Min Hur 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).

  • Rigid polyurethane foam and process for producing the same
    Patent number: 6635685
    Abstract: A process for producing a rigid polyurethane foam provides a rigid polyurethane foam having a closed-cell size of about 80-130 &mgr;m and thus, improved heat insulating properties.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: October 21, 2003
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Jo Suk, Bong Ku Kim, Sang Bu Jeon, Cheol Min Hur
  • Rigid polyurethane foam and process for producing the same
    Publication number: 20020103269
    Abstract: A process for producing a rigid polyurethane foam provides a rigid polyurethane foam having a closed-cell size of about 80-130 &mgr;m and thus, improved heat insulating properties.
    Type: Application
    Filed: December 20, 2001
    Publication date: August 1, 2002
    Inventors: Sang Jo Suk, Bong Ku Kim, Sang Bu Jeon, Cheol Min Hur
  • Rigid polyurethane foam and process for producing the same
    Patent number: 6384098
    Abstract: A process for producing a rigid polyurethane foam provides a rigid polyurethane foam having a closed-cell size of about 80-130 &mgr;m and thus, improved heat insulating properties.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: May 7, 2002
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang Jo Suk, Bong Ku Kim, Sang Bu Jeon, Cheol Min Hur