Patents by Inventor Michael W. Winkley

Michael W. Winkley 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: 8034960
    Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H? R3 is H.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: October 11, 2011
    Assignee: Pfizer Inc.
    Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Publication number: 20110054189
    Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H, R3 is H, and R4 is H.
    Type: Application
    Filed: November 11, 2010
    Publication date: March 3, 2011
    Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Patent number: 7842837
    Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: November 30, 2010
    Assignee: Wyeth LLC
    Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Publication number: 20090306428
    Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.
    Type: Application
    Filed: August 18, 2009
    Publication date: December 10, 2009
    Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Patent number: 7582772
    Abstract: The present invention provides method for making a compound of formula 1: comprising the steps of reacting compounds of formulas 2 and 3: to produce a compound of formula 4: wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula 4 is then converted to the compound of formula 1. The invention further comprises compounds of formulas 3 and 4 and methods for making compounds of formulas 3 and 4.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: September 1, 2009
    Assignee: Wyeth
    Inventors: Ronald S. Michalak, Mahmut Levent, Frederick J. Vyverberg, Ara R. Boyajian, Panolil Raveendranath, Michel Cantin, Alan Stockton, Michael W. Winkley, Mousumi Ghosh, Christoph Dehnhardt, Charles Guinosso
  • Publication number: 20090018208
    Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
    Type: Application
    Filed: August 20, 2007
    Publication date: January 15, 2009
    Applicant: Wyeth
    Inventors: Anthony F. Hadfield, Syed M. Shah, Michael W. Winkley, Karen W. Sutherland, Jmaes A. Provost, Aeri Park, Rex A. Shipplett, Brenton W. Russell, Beat T. Weber
  • Patent number: 7026508
    Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: April 11, 2006
    Assignee: Wyeth
    Inventors: Michael W. Winkley, Karen W. Sutherland
  • Publication number: 20040044241
    Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
    Type: Application
    Filed: September 4, 2003
    Publication date: March 4, 2004
    Applicant: Wyeth
    Inventors: Anthony F. Hadfield, Syed M. Shah, Michael W. Winkley, Karen W. Sutherland, James A. Provost, Aeri Park, Rex A. Shipplett, Brenton W. Russell, Beat T. Weber
  • Patent number: 6693207
    Abstract: This invention provides estrogenic agents having the formula wherein A and B are each, independently, R is SO3−X+; X+ is alkali metal, alkaline earth metal, ammonium, alkylammonium containing 1-6 carbon atoms, or dialkylammonium containing 1-6 carbon atoms in each alkyl group, or trialkylammonium containing 1-6 carbon atoms in each alkyl group; with the proviso that at least one of A or B is
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: February 17, 2004
    Assignee: Wyeth
    Inventors: Michael Z. Kagan, Panolil Raveendranath, Syed M. Shah, Michael W. Winkley
  • Patent number: 6673838
    Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: January 6, 2004
    Assignee: Wyeth
    Inventors: Anthony F. Hadfield, Syed M. Shah, Michael W. Winkley, Karen W. Sutherland, James A. Provost, Aeri Park, Rex A. Shipplett, Brenton W. Russell, Beat T. Weber
  • Publication number: 20030045583
    Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
    Type: Application
    Filed: February 11, 2002
    Publication date: March 6, 2003
    Applicant: American Home Products Corporation
    Inventors: Anthony F. Hadfield, Syed M. Shah, Michael W. Winkley, Karen W. Sutherland, James A. Provost, Aeri Park, Rex A. Shipplett, Brenton W. Russell, Beat T. Weber
  • Publication number: 20020156060
    Abstract: This invention provides estrogenic agents having the formula 1
    Type: Application
    Filed: June 5, 2002
    Publication date: October 24, 2002
    Applicant: Wyeth
    Inventors: Michael Z. Kagan, Panolil Raveendranath, Syed M. Shah, Michael W. Winkley
  • Patent number: 5523427
    Abstract: The solvate 3.beta.,5.alpha.,6.beta.-trihydroxy-6.alpha.,17.alpha.-dimethylpregnan-20- one monomethanolate, a crystalline intermediate in the manufacture of medrogestone, and a method for its production by displacing the solvent in a solution of 3.beta.,5.alpha.,6.beta.-trihydroxy-6.alpha.,17.alpha.-dimethylpregnan-20- one with methanol are disclosed.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: June 4, 1996
    Assignee: American Home Products Corporation
    Inventor: Michael W. Winkley
  • Patent number: 5519153
    Abstract: A process for the production of 6,17.alpha.-dimethylpregna-4,6-diene-3,20-dione which comprises isolating 3.beta.,5.alpha., 6.beta.-trihydroxy- 6.alpha.,17.alpha.- dimethylpregnan-20-one monomethanolate from the solution of a Grignard reaction product of 3.beta.,5.alpha.-dihydroxy -17.alpha.-methyl-17.beta.-carbomethoxyandrostane-6-one and a methylmagnesium halide by solvent displacement with methanol; oxidizing the monomethanolate to the 3,20-dione; dehydrating the said 3,20-dione to the 4-ene-3,20-dione; dehydrating the 4-ene-3,20 dione; removing a 6-methylene-4-ene-3,20-dione byproduct and isolating the desired product.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: May 21, 1996
    Assignee: American Home Products Corporation
    Inventor: Michael W. Winkley
  • Patent number: 5428151
    Abstract: A process for the production of medrogestone, in which, in an intermediate step, the solvate 3.beta.,5.alpha.,6.beta.-trihydroxy-6.alpha.,17.alpha.-dimethylpregnan-20- one monomethanolate is obtained as a solid, stable compound by displacing the organic solvent from a solution of of 3.beta.,5.alpha.,6.beta.-trihydroxy-6.alpha.,17.alpha.-dimethylpregnan-20- one with a lower alkanol, and a Diels-Alder adduct of 6-methylene-17.alpha.-methylpregn-4-ene-3,20-dione with maleic anhydride is used as an intermediate for production of the corresponding dicarboxylic acid salt for removal of 6-methylene-17.alpha.-methylpregn-4-ene-3,20-dione contamination of the desired product. Another intermediate, 6.beta.-hydroxy-6.alpha.,17.alpha.-dimethylpregn-4-ene-3,20-dione, has been found to prevent smooth muscle proliferation and is useful in the treatment of atherosclerosis and restinosis.
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: June 27, 1995
    Assignee: American Home Products Corporation
    Inventors: Michael W. Winkley, Robert D. Mitchell
  • Patent number: 5149700
    Abstract: This invention relates to substituted arylsulfonamides and benzamides possessing aniarrhythmic activity, to pharmaceutical compositions and to methods for production thereof.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: September 22, 1992
    Assignee: American Home Products Corporation
    Inventors: John W. Ellingboe, Jehan F. Bagli, Michael W. Winkley
  • Patent number: 4935515
    Abstract: Disclosed herein are novel 1,2,3,4,5,6-hexahydro[1,3,6]triazocino[1,2-a]benzimidazole of Formulas I and II: ##STR1## wherein R.sup.1 may be phenyl, m- or p-nitrophenyl, m- or p-methylsulfonylaminophenyl, napthtyl, naphthyl mono-substituted by nitro or methylsulfonylamino, benzofurazanyl, 2-pyrimidinyl, 2- or 4-pyridinyl, 2- or 4-naphthyridinyl, pyrazinyl, isoquinolinyl, or quinolinyl;R.sup.2 may be hydrogen; C.sub.1 -C.sub.8 alkyl; phenyl(C.sub.1 -C.sub.4)alkyl or substituted-phenyl(C.sub.1 -C.sub.4)alkyl, in which phenyl may have one to three substituents selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, fluorine, chlorine or bromine; phenyl or substituted-phenyl in which the phenyl substituents are the same as for substituted-phenyl (C.sub.1 -C.sub.4)alkyl; 2- or 4-pyrimidinyl; pyrazinyl; imidazolyl; C.sub.1 -C.sub.4 alkanoyl; halo or dihalo-(C.sub.1 -C.sub.4)alkanoyl, in which halo is fluoro or chloro; benzoyl or benzoyl substituted on the phenyl ring by one or two C.sub.1 -C.sub.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: June 19, 1990
    Assignee: American Home Products Corporation
    Inventors: Michael W. Winkley, James L. Diebold
  • Patent number: 4882323
    Abstract: Disclosed herein are novel 1,4-substituted-2,3,5,6-tetrahydro[1,3,6]triazocino[1,2-a]benzimidazole of Formulas I and II: ##STR1## wherein R.sup.1 may be phenyl, m- or p-nitrophenyl, m- or p-methylsulfonylaminophenyl, naphthyl, naphthyl mono-substituted by nitro or methylsulfonylamino, benzofurazanyl, 2-pyrimidinyl, 2- or 4-pyridinyl, 2- or 4-naphthyridinyl, pyrazinyl, isoquinolinyl, or quinolinyl;R.sup.2 may be hydrogen; C.sub.1 -C.sub.8 alkyl; C.sub.1 -C.sub.4 alkylphenyl or C.sub.1 -C.sub.4 alkyl-substituted-phenyl, in which phenyl may have one to three substituents selected from C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, fluorine, chlorine or bromine; phenyl or substituted-phenyl in which the phenyl substituents are the same as for c.sub.1 -C.sub.4 alkyl-substituted-phenyl; 2- or 4-pyrimidinyl; pyrazinyl; imidazolyl; C.sub.1 -C.sub.4 alkanoyl; halo or dihalo-(C.sub.1 -C.sub.4)alkanoyl, in which halo is fluoro or chloro; benzoyl or benzoyl substituted on the phenyl ring by one or two C.sub.1 -C.sub.
    Type: Grant
    Filed: February 23, 1988
    Date of Patent: November 21, 1989
    Assignee: American Home Products
    Inventors: Michael W. Winkley, James L. Diebold
  • Patent number: 4801706
    Abstract: Disclosed herein are N-substituted-hexahydro-1,2,5-triazepines of formula I, which is ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein R.sup.4 and R.sup.5 are independently hydrogen or C.sub.1 -C.sub.4 alkyl;R.sup.1 is (R.sup.6).sub.2 --CH--(CH.sub.2).sub.n -- in which n is 0, 1, 2 or 3 and R.sup.6 is p-fluoro, chloro or methoxyphenyl; andR.sup.3 is hydrogen and R.sup.2 is benzoyl, 2,6-dimethyl or diethylbenzoyl, 2,6-dichlorobenzoyl, N-methyl, ethyl or propylcarboxamido, N-phenylcarboxamido, N-2,6-dimethyl or diethylphenylcarboxamido, N-2,6-dichlorophenylcarboxamido, N-methyl, ethyl or propylacetamido, N-phenylacetamido, N-2,6-dimethyl or diethylphenylacetamido, or N-2,6-dichlorophenylacetamido orR.sup.2 and R.sup.3 are the same and are N-methyl, ethyl or propylcarboxamido, benzoyl, 2,6-dimethyl or diethlbenzoyl, 2,6-dichlorobenzoyl, benzyl, 2,6-dimethyl or diethlbenzoyl, 2,6-dichlorobenzoyl, or a removable amino protective group.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: January 31, 1989
    Assignee: American Home Products Corporation
    Inventors: Michael W. Winkley, James L. Diebold
  • Patent number: 4785118
    Abstract: Disclosed herein is a process for obtaining indoline-2-carboxylic acid (or derivatives thereof) comprising the following steps: (a) reducing .alpha.-oxo-2-nitrobenzenepropanoic acid to .alpha.-hydroxy-2-nitrobenzenepropanoic acid, (b) replacing the hydroxyl group of the latter with a chlorine atom utilizing a selected Vilsmeier chlorinating reagent at temperatures of at least 20.degree. C., (c) reducing the nitro group of the resulting .alpha.-chloro-2-nitrobenzenepropanoic acid to obtain .alpha.-chloro-2-aminobenzenepropanoic acid, and (d) cyclizing the latter in aqueous base to form the desired indoline-2-carboxylic acid. Alternately, steps (c) and (d) may be combined in a one pot step by using, for example, a Raney nickel-hydrazine reducing medium.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: November 15, 1988
    Assignee: American Home Products Corporation
    Inventors: Michael W. Winkley, Ronald J. McCaully