Patents by Inventor Yaoquan Liu

Yaoquan Liu 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).

  • 9-Desoxoerythromycin compounds as prokinetic agents
    Publication number: 20050256064
    Abstract: 9-Desoxoerythromycin compounds of formula I wherein R1, R2, R3, R4, and R5 are as defined herein, are useful as prokinetic agents for treating disorders of gastric motility.
    Type: Application
    Filed: December 15, 2004
    Publication date: November 17, 2005
    Inventors: Yaoquan Liu, Christopher Carreras, David Myles
  • Motilide compounds
    Patent number: 6946482
    Abstract: Motilide compounds having the formula (I), wherein R1, R2, R3, and R4 are as defined herein, and methods for their preparation and use in the treatment of diseases or conditions characterized by impaired gastric motility.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: September 20, 2005
    Assignee: Kosan Biosciences, Inc.
    Inventors: Daniel V. Santi, Brian Metcalf, Christopher Carreras, Yaoquan Liu, Robert McDaniel, Eduardo J. Rodriguez
  • N-desmethyl-N-substituted-11-deoxyerythromycin compounds
    Publication number: 20050119195
    Abstract: Compounds having the structure of formula I wherein R1, R2, R3, R4, R5, and R6 are as defined herein, are prokinetic agents and can be used to treat disorders of gastric motility.
    Type: Application
    Filed: August 24, 2004
    Publication date: June 2, 2005
    Inventors: Christopher Carreras, Yaoquan Liu
  • 11-Deoxy-6,9-ether erythromycin compounds
    Publication number: 20050113319
    Abstract: Compounds of formula (I) wherein A is and R1, R2, R3, and R4 are as defined herein, are prokinetic agents and can be used to treat disorders of gastric motility.
    Type: Application
    Filed: August 24, 2004
    Publication date: May 26, 2005
    Inventors: Christopher Carreras, Yaoquan Liu, David Myles
  • 11-O-METHYLGELDANAMYCIN COMPOUNDS
    Publication number: 20050101656
    Abstract: Compounds having a structure according to formula I wherein the groups R1 and R4 are as defined in the specification, are useful as anti-proliferative agents.
    Type: Application
    Filed: April 16, 2004
    Publication date: May 12, 2005
    Applicant: Kosan Biosciences, Inc.
    Inventors: Zong-Qiang Tian, Yaoquan Liu, David Myles, Zhan Wang
  • 11-O-methylgeldanamycin compounds
    Patent number: 6887993
    Abstract: Compounds having a structure according to formula I wherein the groups R1 and R4 are as defined in the specification, are useful as anti-proliferative agents.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: May 3, 2005
    Assignee: Kosan Biosciences, Inc.
    Inventors: Zong-Qiang Tian, Yaoquan Liu, David C. Myles, Zhan Wang
  • 11-O-methylgeldanamycin compounds
    Patent number: 6875863
    Abstract: Compounds having a structure according to formula I wherein the groups R1 and R4 are as defined in the specification, are useful as anti-proliferative agents.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: April 5, 2005
    Assignee: Kosan Biosciences, Inc.
    Inventors: Zong-Qiang Tian, Yaoquan Liu, David C. Myles, Zhan Wang
  • 11-O-methylgeldanamycin compounds
    Patent number: 6870049
    Abstract: Compounds having a structure according to formula I wherein the groups R1 and R4 are as defined in the specification, are useful as anti-proliferative agents.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: March 22, 2005
    Assignee: Kosan Biosciences, Inc.
    Inventors: Zong-Qiang Tian, Yaoquan Liu, David C. Myles, Zhan Wang
  • 11-O-methylgeldanamycin compounds
    Patent number: 6855705
    Abstract: Compounds having a structure according to formula I wherein the groups R1 and R4 are as defined in the specification, are useful as anti-proliferative agents.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: February 15, 2005
    Assignee: Kosan Biosciences, Inc.
    Inventors: Zong-Qiang Tian, Yaoquan Liu, David C. Myles, Zhan Wang
  • Motilide compounds
    Publication number: 20040138150
    Abstract: Motilide compounds having the formula (I), 1
    Type: Application
    Filed: August 26, 2003
    Publication date: July 15, 2004
    Inventors: Daniel V. Santi, Brian Metcalf, Christopher Carreras, Yaoquan Liu, Robert McDaniel, Eduardo J. Rodriguez