Patents by Inventor Yuguang Wang

Yuguang Wang 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: 7531544
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Grant
    Filed: September 10, 2007
    Date of Patent: May 12, 2009
    Assignee: Schering Corporation
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig D. Boyle, Andrew W. Stamford
  • Patent number: 7442712
    Abstract: A compound represented by the structural formula and pharmaceutically acceptable salts and solvents thereof is disclosed, wherein: the single-dashed line between the ring carbons to which R10 and R34 are attached represents either a single bond or a double bond; the double-dashed line between X and the carbon to which Y is attached represents either a single bond or an absent bond; X is —O— or —NR6— when the double-dashed line represents a single bond; X is H, —OH or —NHR20 when the double-dashed line represents an absent bond; and other parameters are as defined herein. Also disclosed are pharmaceutical compositions and combinations containing said compounds and their uses as thrombin receptor antagonists and binders to cannabinoid receptors.
    Type: Grant
    Filed: May 25, 2005
    Date of Patent: October 28, 2008
    Assignee: Schering Corporation
    Inventors: Mariappan V. Chelliah, Samuel Chackalamannil, Yan Xia, Martin C. Clasby, William J. Greenlee, Yuguang Wang, Enrico P. Veltri, Wenxue Wu, Michael P. Graziano, Teddy Kosoglou, Madhu Chintala
  • Publication number: 20080090830
    Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt or solvate of said compound, isomer or racemic mixture wherein represents an optional double bonds the dotted line is optionally a bond or no bonds resulting in a double bond or a single bond, as permitted by the valency requirement and wherein E, A, G M, Het, B, X, R3, R10, R11, R32 and R33 are herein defined and the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failures and cancer by administering said compounds. Combination therapy with other cardiovascular agents is also claimed.
    Type: Application
    Filed: October 2, 2007
    Publication date: April 17, 2008
    Inventors: Samuel Chackalamannil, Mariappan Chelliah, Yuguang Wang, Yan Xia
  • Publication number: 20080085923
    Abstract: Multiple stereoisomers of the heterocyclic-substituted tricyclics of the formula: or a pharmaceutically acceptable salt, solvate, or ester of said compound wherein R and the stereochemistry are illustrated in the structural formulas herein are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering said compounds. Combination therapy with other cardiovascular agents is also claimed.
    Type: Application
    Filed: October 2, 2007
    Publication date: April 10, 2008
    Inventors: Samuel Chackalamannil, Yuguang Wang, Tiruvettipuram Thiruvengadam, Ilia Zavialov, Tao Li
  • Publication number: 20080058354
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Application
    Filed: September 10, 2007
    Publication date: March 6, 2008
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig Boyle, Andrew Stamford
  • Patent number: 7304078
    Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt thereof, wherein: the dotted line represents an optional single bond; represents an optional double bond; n is 0–2; Q is cycloalkyl, optionally substituted by R13 and R14; R13 and R14 are independently selected from (C1–C6)alkyl, (C3–C8)cycloalkyl, —OH, (C1–C6)alkoxy, R27-aryl(C1–C6)alkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, halogen and haloalkyl; or R13 and R14 together form a spirocyclic or a heterospirocyclic ring of 3–6 atoms; Het is a mono- or bi-cyclic optionally substituted heteroaryl group; and B is a bond, alkylene, or optionally substituted alkenylene or alkynylene, wherein the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: December 4, 2007
    Assignee: Schering Corporation
    Inventors: Samuel Chackalamannil, William J. Greenlee, Yuguang Wang, Wenxue Wu, Enrico P. Veltri, Yan Xia
  • Publication number: 20070270439
    Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt thereof, wherein: the dotted line represents an optional single bond; represents an optional double bond; n is 0-2; Q is cycloalkyl, optionally substituted by R13 and R14; R13 and R14 are independently selected from (C1-C6)alkyl, (C3-C8)cycloalkyl, —OH, (C1-C6)alkoxy, R27-aryl(C1-C6)alkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, halogen and haloalkyl; or R13 and R14 together form a spirocyclic or a heterospirocyclic ring of 3-6 atoms; Het is a mono- or bi-cyclic optionally substituted heteroaryl group; and B is a bond, alkylene, or optionally substituted alkenylene or alkynylene, wherein the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administeri
    Type: Application
    Filed: July 6, 2007
    Publication date: November 22, 2007
    Inventors: Samuel Chackalamannil, Martin Clasby, William Greenlee, Yuguang Wang, Yan Xia, Enrico Veltri, Mariappan Chelliah
  • Publication number: 20070254952
    Abstract: Disclosed are compounds of the formula: or the pharmaceutically acceptable salts or solvates thereof, wherein: Ar1 is a chlorophenyl group, Ar2 is a dichlorophenyl group, R1 is a —(CH2)m—X—(CH2)n—R2 group, X is a —NH—, —O—, —C(O)— or —S(O)2— group, and R2 is a substituted phenyl group. These compounds are CB1 receptor modulators. Also disclosed are methods of treating CB1 modulated diseases or conditions such as the metabolic syndrome.
    Type: Application
    Filed: April 18, 2007
    Publication date: November 1, 2007
    Inventors: Yuguang Wang, Samuel Chackalamannil, Yuriko Root
  • Patent number: 7268141
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 11, 2007
    Assignee: Schering Corporation
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig Boyle, Andrew Stamford
  • Publication number: 20070197628
    Abstract: A compound having the general structure of Formula (I): or a pharmaceutically acceptable salt, solvate, or ester thereof, is useful in treating diseases, disorders, or conditions such as obesity, metabolic disorders, addiction, diseases of the central nervous system, cardiovascular disorders, respiratory disorders, and gastrointestinal disorders.
    Type: Application
    Filed: January 16, 2007
    Publication date: August 23, 2007
    Inventors: Samuel Chackalamannil, Mariappan Chelliah, Martin Clasby, Keith Eagen, Jack Scott, Yuguang Wang, Yan Xia, William Greenlee
  • Publication number: 20070179187
    Abstract: Heterocyclic-substituted tricyclics of the formula or a pharmaceutically acceptable salt thereof, wherein: the dotted line represents an optional single bond; represents an optional double bond, n is 0-2; Q is cycloalkyl, optionally substituted by R13 and R14; R13 and R14 are independently selected from (C1-C6)alkyl, (C3-C8)cycloalkyl, —OH, (C1-C6)alkoxy, R27-aryl(C1-C6)alkyl, heteroaryl, heteroarylalkyl, heterocyclyl, heterocyclylalkyl, halogen and haloalkyl; or R13 and R14 together form a spirocyclic or a heterospirocyclic ring of 3-6 atoms, Het is a mono- or bi-cyclic optionally substituted heteroaryl group; and B is a bond, alkylene, or optionally substituted alkenylene or alkynylene, wherein the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administeri
    Type: Application
    Filed: April 10, 2007
    Publication date: August 2, 2007
    Inventors: Samuel Chackalamannil, Martin Clasby, William Greenlee, Yuguang Wang, Yan Xia, Enrico Veltri, Mariappan Chelliah
  • Publication number: 20070149518
    Abstract: Heterocyclic-substituted bi or tricyclics of the formula or a pharmaceutically acceptable salt or solvate of said compound, isomer or racemic mixture wherein represents an optional double bond, the dotted line is optionally a bond or no bond, resulting in a double bond or a single bond, as permitted by the valency requirement and wherein An, Mn, Un, Gn, Jn, Kn, R9, R10, R11, R32, R33, B and Het are herein defined and the remaining substituents are as defined in the specification, are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering said compounds. Combination therapy with other cardiovascular agents is also claimed.
    Type: Application
    Filed: December 20, 2006
    Publication date: June 28, 2007
    Inventors: Samuel Chackalamannil, Yuguang Wang
  • Publication number: 20060007152
    Abstract: A computer finger mouse includes a concave structure for embrace the fingertips of a hand in a relaxed positions. The concave structure allows the mouse be held and manipulated by the fingertips of a hand only. A hand holding and manipulating the computer finger mouse is in a naturally relaxed and curled position, without requiring static twisting of the hand, wrist, or forearm. As a result, fatigue, discomfort, and pain are minimized or eliminated even after a long period of continuous use.
    Type: Application
    Filed: July 2, 2005
    Publication date: January 12, 2006
    Inventor: Yuguang Wang
  • Publication number: 20050267155
    Abstract: A compound represented by the structural formula and pharmaceutically acceptable salts and solvents thereof is disclosed, wherein: the single-dashed line between the ring carbons to which R10 and R34 are attached represents either a single bond or a double bond; the double-dashed line between X and the carbon to which Y is attached represents either a single bond or an absent bond; X is —O— or —NR6— when the double-dashed line represents a single bond; X is H, —OH or —NHR20 when the double-dashed line represents an absent bond; and other parameters are as defined herein. Also disclosed are pharmaceutical compositions and combinations containing said compounds and their uses as thrombin receptor antagonists and binders to cannabinoid receptors.
    Type: Application
    Filed: May 25, 2005
    Publication date: December 1, 2005
    Inventors: Mariappan Chelliah, Samuel Chackalamannil, Yan Xia, Martin Clasby, William Greenlee, Yuguang Wang, Enrico Veltri, Wenxue Wu, Michael Graziano, Teddy Kosoglou, Madhu Chintala
  • Patent number: 6969719
    Abstract: A polycyclic guanine phosphodiesterase V inhibitor having the formula (I.1) or (II.
    Type: Grant
    Filed: August 26, 2002
    Date of Patent: November 29, 2005
    Assignee: Schering Corporation
    Inventors: Theodros Asberom, Yueqing Hu, Dmitri Pissarnitski, Ruo Xu, Yuguang Wang, Samuel Chackalamannil, John W. Clader, Andrew William Stamford
  • Publication number: 20050182077
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Application
    Filed: March 11, 2005
    Publication date: August 18, 2005
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig Boyle, Andrew Stamford
  • Publication number: 20050075349
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Application
    Filed: November 16, 2004
    Publication date: April 7, 2005
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig Boyle, Andrew Stamford
  • Patent number: 6831089
    Abstract: The present invention discloses compounds, which are novel muscarinic receptor antagonists, as well as methods for preparing such compounds. In another embodiment, the invention discloses pharmaceutical compositions comprising such muscarinic receptor antagonists as well as methods for using them to treat cognitive disorders such as Alzheimer's disease.
    Type: Grant
    Filed: October 8, 2002
    Date of Patent: December 14, 2004
    Assignee: Schering Corporation
    Inventors: Yuguang Wang, Samuel Chackalamannil
  • Patent number: 6821978
    Abstract: A xanthine phosphodiesterase V inhibitor having the formula (I), with the variables defined herein, which is especially useful for treating male (erectile) and female sexual dysfunction and other physiological disorders: For example, a representative compound of the invention is:
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: November 23, 2004
    Assignee: Schering Corporation
    Inventors: Samuel Chackalamannil, Yuguang Wang, Craig D. Boyle, Andrew W. Stamford
  • Patent number: D509828
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: September 20, 2005
    Inventor: Yuguang Wang