Patents by Inventor Richard Eric Mewshaw

Richard Eric Mewshaw 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: 7671084
    Abstract: This invention provides estrogen receptor modulators of formula I having the structure where R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the specification and the use of such compounds as estrogenic agents.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: March 2, 2010
    Assignee: Wyeth
    Inventors: Richard Eric Mewshaw, Richard James Edsall, Jr.
  • Patent number: 7632845
    Abstract: This invention provides estrogen receptor modulators of formula I, having the structure wherein, R1, R2, R3, R4, R5, and R6 are as defined in the specification, or a N-oxide thereof or a pharmaceutically acceptable salt thereof or a prodrug thereof.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: December 15, 2009
    Assignee: Wyeth
    Inventors: An Thien Vu, Stephen Todd Cohn, Richard Eric Mewshaw
  • Publication number: 20090054454
    Abstract: Benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives and compositions containing such compounds are disclosed. Methods of using benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives and compositions containing such composition in the treatment and/or prevention of serotonin-related disorders, such as depression and anxiety, are also disclosed. In addition, processes for the preparation of benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives are disclosed.
    Type: Application
    Filed: August 21, 2007
    Publication date: February 26, 2009
    Inventors: Aranapakam Mudumbai Venkatesan, Osvaldo Dos Santos, Magda Asselin, George Theodore Grosu, Deborah A. Evrard, Richard Eric Mewshaw, Kristin Meagher
  • Patent number: 7279600
    Abstract: This invention provides estrogen receptor modulators having the structure: wherein R1 to R6 and R8 are as defined in the specification; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: October 9, 2007
    Assignee: Wyeth
    Inventors: Richard Eric Mewshaw, Cuijian Yang
  • Patent number: 7276603
    Abstract: Benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives and compositions containing such compounds are disclosed. Methods of using benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives and compositions containing such composition in the treatment and/or prevention of serotonin-related disorders, such as depression and anxiety, are also disclosed. In addition, processes for the preparation of benzofuranyl- and benzothienyl-piperzinyl quinoline derivatives are disclosed.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: October 2, 2007
    Assignee: Wyeth
    Inventors: Aranapakam Mudumbai Venkatesan, Osvaldo Dos Santos, Magda Asselin, George Theodore Grosu, Deborah A. Evrard, Richard Eric Mewshaw, Kristin Meagher
  • Patent number: 7250440
    Abstract: This invention provides estrogen receptor modulators of formula I, having the structure where R1, R2, R3, and R4 are as defined in the specification, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: July 31, 2007
    Assignee: Wyeth
    Inventors: Richard Eric Mewshaw, Stephen Marc Bowen, Eric Steven Manas
  • Patent number: 7157491
    Abstract: This invention provides estrogen receptor modulators having the structure where R1–R5 are as defined in the specification; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: January 2, 2007
    Assignee: Wyeth
    Inventors: Richard Eric Mewshaw, Stephen Todd Cohn
  • Patent number: 7157492
    Abstract: This invention provides estrogen receptor modulators of formula I, having the structure where R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the specification.
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: January 2, 2007
    Assignee: Wyeth
    Inventors: Richard Eric Mewshaw, Richard James Edsall, Jr.
  • Patent number: 7084276
    Abstract: This invention provides estrogen receptor modulators of formula I, having the structure wherein, R1, R2, R3, R4, R5, and R6 are as defined in the specification, or a N-oxide thereof or a pharmaceutically acceptable salt thereof or a prodrug thereof.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: August 1, 2006
    Assignee: Wyeth
    Inventors: An Thien Vu, Stephen Todd Cohn, Richard Eric Mewshaw
  • Patent number: 6667322
    Abstract: Compounds of the formula useful for the treatment of depression and other diseases such as obsessive compulsive disorder, panic attacks, generalized anxiety disorder, social anxiety disorder, sexual dysfunction, eating disorders, obesity, addictive disorders caused by ethanol or cocaine abuse and related illnesses.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: December 23, 2003
    Assignee: Wyeth
    Inventors: Jonathan Laird Gross, Richard Eric Mewshaw, Gary Paul Stack
  • Publication number: 20030100579
    Abstract: Compounds of the formula 1
    Type: Application
    Filed: October 4, 2002
    Publication date: May 29, 2003
    Applicant: Wyeth
    Inventors: Jonathan Laird Gross, Richard Eric Mewshaw, Gary Paul Stack
  • Patent number: 6127380
    Abstract: This invention relates to D.sub.2 dopaminergic compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen, trifluoromethyl, pentafluoroethyl, heptafluoropropyl, straight-chain or branched alkyl group having up to 6 carbons or benzyl optionally substituted by one to three substituents selected from halogen, amino, nitro, hydroxy, and C.sub.1 -C.sub.6 alkoxy;R.sup.2 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.3 is hydrogen, straight-chain or branched alkyl group having up to 10 carbon atoms, cyclohexylmethyl, --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthalenyl, thienyl, furanyl, or pyridinyl, each optionally substituted by one to two substituents selected from halogen, C.sub.1 -C.sub.6 alkoxy, trifluoromethyl and C.sub.1 -C.sub.6 alkyl, and m is 1-3or NR.sup.2 R.sup.3 is 1,2,3,4-tetrahydroquinolin-1-yl or 1,2,3,4-tetrahydroisoquinolin-2-yl;Y is hydrogen, halogen, lower alkyl, amino, or lower alkoxy;n is 1-5:or a pharmaceutically acceptable salt thereof. These D.sub.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: October 3, 2000
    Assignee: American Home Products Corporation
    Inventors: James Albert Nelson, Richard Eric Mewshaw
  • Patent number: 6103744
    Abstract: Disclosed are compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is selected from hydrogen, straight-chain and branched C.sub.1 -C.sub.10 alkyl, cyclohexylmethyl or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl;Y is halogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or a pharmaceutically acceptable salt thereof, which are dopamine autoreceptor agonists and as such are useful in the treatment of schizophrenia, Parkinson's disease, Tourette's syndrome, alcohol addiction and drug addiction.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: August 15, 2000
    Assignee: American Home Products Corporation
    Inventors: Richard Eric Mewshaw, James Albert Nelson, Uresh Shantilal Shah
  • Patent number: 5990144
    Abstract: Disclosed are compounds of the formula ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is selected from hydrogen, straight-chain and branched C.sub.1 -C.sub.10 alkyl, cyclohexylmethyl or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxy and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;R.sup.3 is hydrogen or C.sub.1 -C.sub.6 alkyl;Y is hydrogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or a pharmaceutically acceptable salt thereof, which are dopamine autoreceptor agonists and as such are useful in the treatment of schizophrenia, Parkinson's disease, Tourette's syndrome, alcohol addiction and drug addiction.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: November 23, 1999
    Assignee: American Home Products Corporation
    Inventors: Richard Eric Mewshaw, James Albert Nelson, Uresh Shantilal Shah
  • Patent number: 5972958
    Abstract: This invention relates to a novel series of compounds having potency at the dopamine D.sub.2 receptor which are illustrated by the following Formula I: ##STR1## wherein: R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.2 is hydrogen or C.sub.1 -C.sub.6 alkyl;R.sup.3 is selected from hydrogen, straight-chain and branched alkyl group having up to 10 carbon atoms, cyclohexylmethyl or --CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl, thienyl, furanyl or pyridinyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide, trifluoromethyl, 4-fluorobutyrophenone;or NR.sup.2 R.sup.3 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinolin-2-yl;m is 1-5;n is 1 or 2;Y is halogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: October 26, 1999
    Assignee: American Home Products Corporation
    Inventors: James Albert Nelson, Richard Eric Mewshaw, Uresh Shantilal Shah
  • Patent number: 5958965
    Abstract: Compounds of the formula: ##STR1## in which R.sub.1 is hydrogen, alkyl, cycloalkylalkyl, arylalkyl, (haloaryl)alkyl, (alkoxyaryl)alkyl, thienylmethyl, furanylmethyl, pyridinylmethyl, alkylphenyl, 4-fluorobutyrophenone or 6-fluoro-1,2-benzisoxazol-yl-propyl; X is hydrogen, halogen, cyano, alkyl, acetyl, trifluoroacetyl, trifluoromethyl or formyl; Y is hydrogen, halogen, alkoxy or alkyl; or a pharmaceutically acceptable salt thereof are inhibitors of dopamine synthesis and release, useful in the treatment of schizophrenia, Parkinson's Disease, Tourette's Syndrome, alcohol addiction, cocaine addiction, and addiction to analagous drugs and they also have affinity for the 5-HT.sub.1A receptors which characterizes them as useful in the treatment of diseases attending disturbances in the serotinergic systems, such as anxiety, stress, depression, sexual dysfunctions and sleep disturbances.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: September 28, 1999
    Assignee: American Home Products Corporation
    Inventors: Richard Eric Mewshaw, Michael Byron Webb
  • Patent number: 5922715
    Abstract: This invention relates to compounds of Formula I ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from hydrogen, straight-chain and branched alkyl group having up to 10 carbon atoms or --(CH.sub.2).sub.m Ar where Ar is phenyl, naphthyl or thienyl, each optionally substituted by one or two substituents selected independently from C.sub.1 -C.sub.6 alkyl, halogen, C.sub.1 -C.sub.6 alkoxide and trifluoromethyl;or NR.sup.1 R.sup.2 is 1, 2, 3, 4-tetrahydroquinolin-1-yl or 1, 2, 3, 4-tetrahydroisoquinoline-2-yl;m is 1-5;n is 1 or 2;Y is hydrogen, C.sub.1 -C.sub.6 alkyl, and C.sub.1 -C.sub.6 alkoxy;or the pharmaceutically acceptable salts thereof, which are dopamine D.sub.2 agonists and therefore useful in the treatment of psychoses and Parkinson's disease.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: July 13, 1999
    Assignee: American Home Products Corporation
    Inventors: James Albert Nelson, Uresh Shantilal Shah, Richard Eric Mewshaw
  • Patent number: 5872144
    Abstract: This invention relates to dopamine D.sub.2 agonists of the formula ##STR1## wherein: Y is hydrogen, halogen, or C.sub.1 -C.sub.6 alkoxy;R.sup.1 is hydrogen or C.sub.1 -C.sub.6 alkyl;X is methylene, oxygen or carbonyl;Ar is phenyl or thienyl, each optionally substituted with 1-2 groups independently selected from C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkyl, halogen, trifluoromethyl and phenyl;n=1-4,or pharmaceutically acceptable salts thereof. Dopamine D.sub.2 agonists are useful in the treatment of schizophrenia, Tourette's syndrome, drug and alcohol addiction, and also useful in the treatment of Parkinson's disease.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: February 16, 1999
    Assignee: American Home Products Corporation
    Inventors: Richard Eric Mewshaw, Anthonie Johan Verwijs
  • Patent number: 5817690
    Abstract: A compound of the formula I: ##STR1## in which Y is hydrogen, halogen or lower alkoxy; R.sub.1 is hydrogen, lower alkyl or aryl(lower)alkyl; R.sub.2 is hydrogen, lower alkyl or --(CH.sub.2).sub.n X.sub.p Ar, where X is oxygen or carbonyl; Ar is cycloalkyl, aryl or arylaryl, oxindolyl, benzimidazolyl, indolyl, 2-oxobenzimidazolyl or 2-thioxobenzimidazolyl; or R.sub.1 and R.sub.2, taken together with the nitrogen atom to which they are attached, complete a 3,4-dihydro-1H-isoquinolinyl or 1,3-dihydro-isoindolyl; n is one of the integers 1,2,3,4,5 or 6; p is one of the integers 0 or 1; or a pharmaceutically acceptable salt thereof are inhibitors of dopamine synthesis and release, useful in the treatment of schizophrenia, Parkinson's Disease, Tourette's Syndrome, alcohol addiction, cocaine addiction, and addiction to analogous drugs.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: October 6, 1998
    Assignee: American Home Products Corporation
    Inventor: Richard Eric Mewshaw
  • Patent number: 5760070
    Abstract: A compound of the formula I: ##STR1## in which Y is hydrogen, halogen or alkoxy; R is hydrogen or alkylthio; R.sub.1 is hydrogen or alkyl; X is hydrogen, halogen, alkoxy, alkyl or phenyl; n is one of the integers 1, 2, 3 or 4; or a pharmaceutically acceptable salt thereof are inhibitors of dopamine synthesis and release, useful in the treatment of schizophrenia, Parkinson's Disease, Tourette's Syndrome, alcohol addiction, cocaine addiction, and addiction to analogous drugs.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: June 2, 1998
    Assignee: American Home Products Corporation
    Inventors: Richard Eric Mewshaw, Michael Byron Webb