Patents by Inventor Chris J. Helal

Chris J. Helal 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).

  • Imidazole derivatives
    Patent number: 7078529
    Abstract: The invention provides compounds of formula 1 wherein R1, R2, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating and preventing diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: July 18, 2006
    Assignee: Pfizer Inc.
    Inventors: Mark A. Sanner, Chris J. Helal, Christoper B. Cooper, Frank S. Menniti, Patricia A. Seymour, Michael K. Ahlijanian, Anabella Villalobos, Lit-Fui Lau
  • Thiazole derivatives
    Publication number: 20040192746
    Abstract: The invention provides compounds of formula 1 1
    Type: Application
    Filed: April 5, 2004
    Publication date: September 30, 2004
    Applicant: Pfizer Inc
    Inventors: Mark A. Sanner, Chris J. Helal, Christopher B. Cooper
  • Imidazole derivatives
    Publication number: 20040192750
    Abstract: The invention provides compounds of formula 1 1
    Type: Application
    Filed: April 5, 2004
    Publication date: September 30, 2004
    Applicant: Pfizer Inc
    Inventors: Mark A. Sanner, Chris J. Helal, Christoper B. Cooper, Frank S. Menniti, Patricia A. Seymour, Michael K. Ahlijanian, Anabella Villalobos, Lit-Fui Lau
  • Imidazole derivatives
    Patent number: 6756385
    Abstract: The invention provides compounds of formula 1 wherein R1, R2, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating and preventing diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: June 29, 2004
    Assignee: Pfizer Inc.
    Inventors: Mark A. Sanner, Chris J. Helal, Christoper B. Cooper, Frank S. Menniti, Michael K. Ahlijanian, Annabella Villalobos, Lit-Fui Lau, Patricia A. Seymour
  • Thiazole derivatives
    Patent number: 6720427
    Abstract: The invention provides compounds of formula 1 wherein R1, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission are described.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: April 13, 2004
    Assignee: Pfizer Inc.
    Inventors: Mark A. Sanner, Chris J. Helal, Christopher B. Cooper
  • Thiazole derivatives
    Publication number: 20030078252
    Abstract: The invention provides compounds of formula 1 1
    Type: Application
    Filed: May 13, 2002
    Publication date: April 24, 2003
    Applicant: Pfizer Inc.
    Inventors: Mark A. Sanner, Chris J. Helal, Christopher B. Cooper
  • Imidazole derivatives
    Publication number: 20020119963
    Abstract: The invention provides compounds of formula 1 1
    Type: Application
    Filed: July 31, 2001
    Publication date: August 29, 2002
    Inventors: Mark A. Sanner, Chris J. Helal, Christoper B. Cooper, Frank S. Menniti, Michael K. Ahlijanian, Anabella Villalobos, Lit-Fui Lau, Patricia A. Seymour
  • Pyrazole derivatives
    Publication number: 20020103185
    Abstract: The invention provides compounds of formula 1 1
    Type: Application
    Filed: August 28, 2001
    Publication date: August 1, 2002
    Inventors: Mark A. Sanner, Chris J. Helal, Christopher B. Cooper, Travis T. Wager