Patents by Inventor Chongwu Zhang

Chongwu Zhang 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: 8471006
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: June 25, 2013
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Publication number: 20120277428
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Application
    Filed: July 9, 2012
    Publication date: November 1, 2012
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Patent number: 8288371
    Abstract: Compounds of the formula are disclosed. The compounds are CCR1 antagonists which are useful for the treatment and prevention of inflammatory and autoimmune diseases. Other embodiments are also disclosed.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: October 16, 2012
    Assignee: Pharmacopeia, LLC
    Inventors: Vidyadhar M. Paradkar, Marc Brescia, Ray James, Jinqi Liu, Ruiyan Liu, James Robert Merritt, Michelle Morris, Michael J. Ohlmeyer, Chongwu Zhang, Rui Zhang
  • Patent number: 8217169
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: July 10, 2012
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Publication number: 20110281885
    Abstract: A compound of formula: wherein A, Ar, R3, R6, and m are disclosed herein, or a pharmaceutically acceptable salt thereof (a “Cyanoiminopiperazine Compound”), compositions comprising an effective amount of a Cyanoiminopiperazine Compound, and methods for treating or preventing pain, urinary incontinence, an ulcer, inflammatory-bowel disease, irritable-bowel syndrome, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia or depression in an animal comprising administering to an animal in need thereof an effective amount of a Cyanoiminopiperazine Compound are disclosed.
    Type: Application
    Filed: September 10, 2010
    Publication date: November 17, 2011
    Applicant: Purdue Pharma L.P.
    Inventors: Donald J. Kyle, Qun Sun, Laykea Tafesse, Chongwu Zhang, Xiaoming Zhou
  • Publication number: 20110028720
    Abstract: The present invention is directed to compounds of the formula: or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Application
    Filed: October 11, 2010
    Publication date: February 3, 2011
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Patent number: 7812158
    Abstract: The present invention is directed to compounds of the formula (I) and (II) or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: October 12, 2010
    Assignee: University of Massachusetts
    Inventors: Louis A. Carpino, Jusong Xia, Chongwu Zhang, Calin Dan Sferdean
  • Patent number: 7799786
    Abstract: A compound of formula: wherein A, Ar, R3, R6, and m are disclosed herein, or a pharmaceutically acceptable salt thereof (a “Cyanoiminopiperazine Compound”), compositions comprising an effective amount of a Cyanoiminopiperazine Compound, and methods for treating or preventing pain, urinary incontinence, an ulcer, inflammatory-bowel disease, irritable-bowel syndrome, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia or depression in an animal comprising administering to an animal in need thereof an effective amount of a Cyanoiminopiperazine Compound are disclosed.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: September 21, 2010
    Assignee: Purdue Pharma L.P.
    Inventors: Donald J. Kyle, Qun Sun, Laykea Tafesse, Chongwu Zhang, Xiaoming Zhou
  • Publication number: 20090093472
    Abstract: Compounds of the formula are disclosed. The compounds are CCR1 antagonists which are useful for the treatment and prevention of inflammatory and autoimmune diseases. Other embodiments are also disclosed.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 9, 2009
    Applicant: PHARMACOPEIA, INC.
    Inventors: Vidyadhar M. Paradkar, Marc Brescia, Ray James, Jinqi Liu, Ruiyan Liu, James Robert Merritt, Michelle Morris, Michael J. Ohlmeyer, Chongwu Zhang, Rui Zhang
  • Publication number: 20080153835
    Abstract: A compound of formula: wherein A, Ar, R3, R6, and m are disclosed herein, or a pharmaceutically acceptable salt thereof (a “Cyanoiminopiperazine Compound”), compositions comprising an effective amount of a Cyanoiminopiperazine Compound, and methods for treating or preventing pain, urinary incontinence, an ulcer, inflammatory-bowel disease, irritable-bowel syndrome, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia or depression in an animal comprising administering to an animal in need thereof an effective amount of a Cyanoiminopiperazine Compound are disclosed.
    Type: Application
    Filed: September 4, 2007
    Publication date: June 26, 2008
    Inventors: Donald J. Kyle, Qun Sun, Laykea Tafesse, Chongwu Zhang, Xiaoming Zhou
  • Patent number: 7279493
    Abstract: A compound of formula: wherein A, Ar, R3, R6, and m are disclosed herein, or a pharmaceutically acceptable salt thereof (a “Cyanoiminopiperazine Compound”), compositions comprising an effective amount of a Cyanoiminopiperazine Compound, and methods for treating or preventing pain, urinary incontinence, an ulcer, inflammatory-bowel disease, irritable-bowel syndrome, an addictive disorder, Parkinson's disease, parkinsonism, anxiety, epilepsy, stroke, a seizure, a pruritic condition, psychosis, a cognitive disorder, a memory deficit, restricted brain function, Huntington's chorea, amyotrophic lateral sclerosis, dementia, retinopathy, a muscle spasm, a migraine, vomiting, dyskinesia or depression in an animal comprising administering to an animal in need thereof an effective amount of a Cyanoiminopiperazine Compound are disclosed.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: October 9, 2007
    Assignee: Euro-Celtique S.A.
    Inventors: Donald J. Kyle, Qun Sun, Laykea Tafesse, Chongwu Zhang, Xiaoming Zhou
  • Publication number: 20070112196
    Abstract: The present invention is directed to compounds of the formula (I) and (II) or salts thereof or N-oxides and their use in peptide synthesis.
    Type: Application
    Filed: November 1, 2004
    Publication date: May 17, 2007
    Inventors: Louis Carpino, Jusong Xia, Chongwu Zhang, Calin Sferdean
  • Publication number: 20040106625
    Abstract: A compound of formula: 1
    Type: Application
    Filed: June 27, 2003
    Publication date: June 3, 2004
    Inventors: Donald J. Kyle, Qun Sun, Laykea Tafesse, Chongwu Zhang, Xiaoming Zhou