Patents by Inventor Yih Sang Pang

Yih Sang Pang 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).

  • Indole derivatives as prodrugs of 5-HT1-like receptor agonists
    Patent number: 6423731
    Abstract: A method for the prophylaxis or treatment of conditions for which 5-HT1-like agonists are indicated comprising the administration of therapeutically-effective amount of compounds of formula (I) wherein A, W, Z and n are as defined in the specification.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: July 23, 2002
    Assignee: Zeneca Limited
    Inventors: Robert John Blade, Yih Sang Pang, David Lawrence Selwood
  • Indole derivatives as prodrugs of 5-HT1-like receptor agonists
    Publication number: 20010051637
    Abstract: A method for the prophylaxis or treatment of conditions for which 5-HT1-like agonists are indicated comprising the administration of therapeutically-effective amount of compounds of formula (I) 1
    Type: Application
    Filed: January 12, 2001
    Publication date: December 13, 2001
    Inventors: Robert John Blade, Yih Sang Pang, David Lawrence Selwood
  • Indole derivatives as prodrugs of 5-HT.sub.1 -like receptor agonists
    Patent number: 5962486
    Abstract: A compound of formula (I), wherein A is C.sub.1-6 alkyl, --O--C.sub.1-6 alkyl, --O--phenyl or phenyl, optionally substituted by C.sub.1-3 alkyl or halogen; n is an integer of from 0 to 3; W is a group of formula (i), (ii) or (iii) where R is hydrogen or C.sub.1-4 alkyl, x is --O--, --S--, --NH--, or --CH.sub.2 --, Y is oxygen or sulphur and the chiral centre * in formula (i) or (ii) is in its (S) or (R) form or is a mixture thereof in any proportions; and Z is a group of formula (iv) --HC.sub.2 CH.sub.2 NR.sup.1 R.sup.2 (v) or (vi) where R.sup.1 and R.sup.2 are independently selected from hydrogen and C.sub.1-4 alkyl and R.sup.3 is hydrogen or C.sub.1-4 alkyl; and salts, solvates and physiologically functional derivatives thereof.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: October 5, 1999
    Assignee: Zeneca Limited
    Inventors: Robert John Blade, Yih Sang Pang, David Lawrence Selwood