Patents by Inventor Clint Duane Walker

Clint Duane Walker 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: 6342498
    Abstract: Anylpiperazines of formula (1) useful as serotonin reuptake inhibitors and 5-HT1D&agr; receptor antagonists are disclosed herein: wherein R1 and R2 are each independently hydrogen, halo, —(C1-C6)alkyl or —(C1-C6)alkoxy; R3 is hydrogen or —(C1-C6)alkyl; Y is —CO— or —CH2—; Z is —NH—, —N(COR)— or —CH2— where R is —(C1-C6)alkyl or —(C3-C8)cycloalkyl; represents a double or single bond; n and m are an each independently integer from 1 to 3, both inclusive; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: January 29, 2002
    Assignee: Eli Lilly and Company
    Inventors: Clint Duane Walker, David Taiwai Wong, Yao-Chang Xu
  • Patent number: 5814653
    Abstract: This invention provides novel 6-substituted-1,2,3,4-tetrahydro-9H-carbazoles and 7-substituted-10H-cyclohepta?7,6-b!indoles. These compounds are 5-HT.sub.1F agonists which are useful for the treatment of migraine and associated disorders.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: September 29, 1998
    Assignee: Eli Lilly and Company
    Inventors: Michael Edward Flaugh, Anton Daniel Kiefer, Jr., Clint Duane Walker, Yao-Chang Xu
  • Patent number: 5708187
    Abstract: This invention provides novel 6-substituted-1,2,3,4-tetrahydro-9H-carbazoles and 7-substituted-10H-cyclohepta?7,6-b!indoles. These compounds are 5-HT.sub.1F agonists which are useful for the treatment of migraine and associated disorders.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: January 13, 1998
    Assignee: Eli Lilly and Company
    Inventors: Michael Edward Flaugh, Anton Daniel Kiefer, Jr., Clint Duane Walker, Yao-Chang Xu