Patents by Inventor Zhongyong Wei

Zhongyong Wei 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: 7312336
    Abstract: Compounds of general formula (I) are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: December 25, 2007
    Assignee: AstraZeneca Canada Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei
  • Patent number: 7205317
    Abstract: Compounds of general formula (I) wherein R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl and triazolyl; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1–C6 alkyl, NO2, CF3, C1–C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on thephenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, inparticular in the management of pain.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: April 17, 2007
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20070027179
    Abstract: Compounds of formula I or pharmaceutically acceptable salts thereof Formula (I) wherein Ar, R1, R2, R3, Ra, Rb and X are as defined in the specificationas well as salts and pharmaceutical compositions including the compounds are prepared. They are useful in therapy, in particular in the management of pain.
    Type: Application
    Filed: March 26, 2004
    Publication date: February 1, 2007
    Applicant: AstraZeneca AB
    Inventors: Zhongyong Wei, Regis Dolaine, Christopher Walpole, Hua Yang
  • Patent number: 7074808
    Abstract: Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, pyrroloyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1–C6 alkyl, NO2, CF3, C1–C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety and functional gastrointestinal disorders.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: July 11, 2006
    Assignee: AstraZeneca AB
    Inventors: Zhongyong Wei, William Brown, Christopher Walpole
  • Patent number: 7022715
    Abstract: Compounds of general formula I: R1 is selected from any one of phenyl, pyridinyl, pyrrolyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1–C?6? alkyl, NO2, CF3, C1–C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety and functional gastrointestinal disorders.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: April 4, 2006
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20050020629
    Abstract: Compounds of general formula (I) wherein R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, pyrrolyl and triazolyl; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on thephenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, inparticular in the management of pain.
    Type: Application
    Filed: October 2, 2002
    Publication date: January 27, 2005
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Patent number: 6838468
    Abstract: Compounds of general formula I[Chemical formula should be inserted here. Please see paper copy] R1 is selected from any one of phenyl, pyridinyl, pyrrolyl, thienyl, furanyl, imidazolyl, triazolyl, and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1,2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety and functional gastrointestinal disorders.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: January 4, 2005
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20040171612
    Abstract: Compounds of general formula (I) 1
    Type: Application
    Filed: December 9, 2003
    Publication date: September 2, 2004
    Applicant: AstraZeneca Canada Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei
  • Publication number: 20040147553
    Abstract: 1
    Type: Application
    Filed: November 13, 2003
    Publication date: July 29, 2004
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20040147556
    Abstract: Compounds of general formula I: R1 is selected from any one of phenyl, pyridinyl, pyrrolyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C?6? alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; arc disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety and functional gastrointestinal disorders.
    Type: Application
    Filed: November 13, 2003
    Publication date: July 29, 2004
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20040142967
    Abstract: Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, pyrroloyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety and functional gastrointestinal disorders.
    Type: Application
    Filed: November 13, 2003
    Publication date: July 22, 2004
    Inventors: Zhongyong Wei, William Brown, Christopher Walpole
  • Publication number: 20040138259
    Abstract: Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, pyrrolyl, thienyl, furanyl, imidazolyl, triazolyl, thiazolyl, and pyridine N-oxide; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain, anxiety, and functional gastrointestinal disorders.
    Type: Application
    Filed: November 13, 2003
    Publication date: July 15, 2004
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Patent number: 6756387
    Abstract: Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, triazolyl and thiazolyl; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: June 29, 2004
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Patent number: 6753335
    Abstract: Compounds of general formula I R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, and triazolyl; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alkyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: June 22, 2004
    Assignee: AstraZeneca AB
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Patent number: 6693117
    Abstract: Compounds of general formula (I) are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: February 17, 2004
    Assignee: AstraZeneca Canada Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei
  • Publication number: 20030199548
    Abstract: Compounds of general formula (I), where R1 is selected from any one of phenyl, pyridinyl, thienyl, furanyl, imidazolyl, and triazolyl; where each R1 phenyl ring and R1 heteroaromatic ring may optionally and independently be further substituted by 1, 2 or 3 substituents selected from straight and branched C1-C6 alcyl, NO2, CF3, C1-C6 alkoxy, chloro, fluoro, bromo, and iodo. The substitutions on the phenyl ring and on the heteroaromatic ring may take place in any position on said ring systems; are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts and pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Application
    Filed: January 21, 2003
    Publication date: October 23, 2003
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20030187022
    Abstract: Compounds of general formula I 1
    Type: Application
    Filed: January 16, 2003
    Publication date: October 2, 2003
    Inventors: William Brown, Christopher Walpole, Zhongyong Wei
  • Publication number: 20030149023
    Abstract: Compounds of general formula (I) 1
    Type: Application
    Filed: August 19, 2002
    Publication date: August 7, 2003
    Applicant: AstraZeneca Canada Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei
  • Patent number: 6455545
    Abstract: Compounds of general formula (I) are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
    Type: Grant
    Filed: January 18, 2001
    Date of Patent: September 24, 2002
    Assignee: AstraZeneca Canada Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei
  • Publication number: 20010021715
    Abstract: Compounds of general formula (I) 1
    Type: Application
    Filed: January 18, 2001
    Publication date: September 13, 2001
    Applicant: Astra Pharma Inc.
    Inventors: Daniel Delorme, Edward Roberts, Zhongyong Wei