Patents by Inventor Soo H. Ban

Soo H. Ban 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).

  • Cyclic lipid derivatives as potent PAF antagonists
    Patent number: 5610310
    Abstract: The present invention describes novel cyclic diol derivatives represented by formula I and II: ##STR1## in which Y represents O, S, SO, SO.sub.2, (CH.sub.2).sub.m wherein m is zero or an integer of 1 to 5, or NR.sup.a group wherein R.sup.a is hydrogen, lower alkyl, lower alkoxycarbonyl, aryl, arylalkyl or acyl;R.sup.1 represents an alkyl or alkylcarbamoyl group;R.sup.2 represents a group having formula T--(CH.sub.2).sub.n --V (X.sup.-)q, wherein T refers to a simple covalent bond, a CO, PO.sub.3.sup.-, C(O)O, or CONR.sup.b group wherein R.sup.b is hydrogen, lower alkyl or acyl;n refers to an integer of from 1 to 10;V represents either (i) the group indicated by formula --.sup.+ NR.sup.5 R.sup.6 R.sup.7 wherein R.sup.5, R.sup.6 and R.sup.7 stands for identical or different lower alkyl group, or two or three of R.sup.5, R.sup.6 and R.sup.7 taken together with the adjacent nitrogen form heterocyclic ammonio group, or (ii) the group indicated by the formula ##STR2## wherein R.sup.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 11, 1997
    Assignees: Pohang Iron & Steel Co., Ltd, Research Institute of Industrial Science & Technology
    Inventors: Soon H. Woo, Sung K. Chung, Soo H. Ban, Byoung E. Kim, Si H. Kim