Patents by Inventor Si-Chang Jang

Si-Chang Jang 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).

  • Recipient block and method for preparation thereof
    Patent number: 7070950
    Abstract: Disclosed is a recipient block for arraying a certain tissue sample into a desired position on a tissue microarray slide, comprising(a) an additive and (b) a wax. The present invention also discloses a method of preparing a recipient block, including (1) preparing an aqueous solution of an additive; (2) pouring the aqueous solution of the additive into a mold and cooling the mold to gelate the aqueous solution of the additive; (3) dehydrating the resulting additive gel in alcohol; (4) immersing the dehydrated additive gel in an organic solvent to make the dehydrated additive gel transparent; (5) penetrating a wax into the transparent additive gel to provide a block; and (6) providing a plurality of cylindrical holes in the block.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: July 4, 2006
    Inventors: Young-Min Song, Hyeong-Jae Jeong, Si-Chang Jang