Patents by Inventor Keith Adrian Walker

Keith Adrian 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).

  • Benzimidazolone and dihydroindolone derivatives and uses thereof
    Patent number: 7582760
    Abstract: Compounds of the formula I: or pharmaceutically acceptable salts thereof wherein m, n, X, Ar, R1, R2, R3, R4 and R5 are as defined herein. Also provided are methods for preparing, compositions comprising, and methods for using compounds of formula I.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: September 1, 2009
    Assignee: Roche Palo Alto LLC
    Inventors: Timothy Owens, Steven Sethofer, Keith Adrian Walker, Shu Hai Zhao
  • P-(sulfonyl) aryl and heteroarylamines as anti-inflammatory agents
    Patent number: 7071177
    Abstract: This invention relates to anti-inflammatory and analgesic compounds, especially to certain p-(sulfonyl)phenyl amino derivatives, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: July 4, 2006
    Assignee: Syntex (U.S.A.) LLC
    Inventors: Nancy Elisabeth Krauss, Taraneh Mirzadegan, David Bernard Smith, Keith Adrian Walker
  • 8-aza-11-deoxy prostaglandin analogues
    Patent number: 6900336
    Abstract: This invention relates to compounds which are generally EP4 receptor agonists and which are represented by Formula I: wherein A is a —CH2—CH2—, or —CH?CH—; B is absent, an aryl, or heteroaryl group; R1 is alkyl, alkenyl, alkynyl, cycloalkylalkyl, heterocyclylalkyl, aryl, arylalkyl or heteroaryl, when B is aryl or heteroaryl and R3, R4, R5 and R6 are not simultaneously hydrogen, or R1 is heterocyclylalkyl, aryl, or heteroaryl when B is absent and R3, R4, R5 and R6 are simultaneously hydrogen; and the other substituents are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: May 31, 2005
    Assignee: Syntex (U.S.A.) LLC
    Inventors: Todd Richard Elworthy, Tara Mirzadegan, Michael Garret Roepel, David Bernard Smith, Keith Adrian Walker
  • 8-Aza-11-deoxy prostaglandin analogues
    Publication number: 20030120079
    Abstract: This invention relates to compounds which are generally EP4 receptor agonists and which are represented by Formula I: 1
    Type: Application
    Filed: July 16, 2002
    Publication date: June 26, 2003
    Inventors: Todd Richard Elworthy, Tara Mirzadegan, Michael Garret Roepel, David Bernard Smith, Keith Adrian Walker
  • p-(sulfonyl) aryl and heteroarylamines as anti-inflammatory agents
    Publication number: 20020052349
    Abstract: This invention relates to anti-inflammatory and analgesic compounds, especially to certain p-(sulfonyl)phenyl amino derivatives, pharmaceutical compositions containing them, methods for their use, and methods for preparing these compounds.
    Type: Application
    Filed: April 26, 2001
    Publication date: May 2, 2002
    Inventors: Nancy Elisabeth Krauss, Taraneh Mirzadegan, David Bernard Smith, Keith Adrian Walker