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).
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Patent number: 8034960Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H? R3 is H.Type: GrantFiled: November 11, 2010Date of Patent: October 11, 2011Assignee: 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
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Publication number: 20110054189Abstract: The present invention provides a compound of formula 1: wherein R1 is CF3, R2 is H, R3 is H, and R4 is H.Type: ApplicationFiled: November 11, 2010Publication date: March 3, 2011Inventors: 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
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Patent number: 7842837Abstract: 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: GrantFiled: August 18, 2009Date of Patent: November 30, 2010Assignee: Wyeth LLCInventors: 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
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Publication number: 20090306428Abstract: 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: ApplicationFiled: August 18, 2009Publication date: December 10, 2009Inventors: 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
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Patent number: 7582772Abstract: 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: GrantFiled: August 18, 2005Date of Patent: September 1, 2009Assignee: WyethInventors: 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
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Publication number: 20090018208Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.Type: ApplicationFiled: August 20, 2007Publication date: January 15, 2009Applicant: WyethInventors: 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
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Patent number: 7026508Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.Type: GrantFiled: November 10, 2004Date of Patent: April 11, 2006Assignee: WyethInventors: Michael W. Winkley, Karen W. Sutherland
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Publication number: 20040044241Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.Type: ApplicationFiled: September 4, 2003Publication date: March 4, 2004Applicant: WyethInventors: 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
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Patent number: 6693207Abstract: 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 isType: GrantFiled: June 5, 2002Date of Patent: February 17, 2004Assignee: WyethInventors: Michael Z. Kagan, Panolil Raveendranath, Syed M. Shah, Michael W. Winkley
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Patent number: 6673838Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.Type: GrantFiled: February 11, 2002Date of Patent: January 6, 2004Assignee: WyethInventors: 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
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Publication number: 20030045583Abstract: A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.Type: ApplicationFiled: February 11, 2002Publication date: March 6, 2003Applicant: American Home Products CorporationInventors: 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
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Publication number: 20020156060Abstract: This invention provides estrogenic agents having the formula 1Type: ApplicationFiled: June 5, 2002Publication date: October 24, 2002Applicant: WyethInventors: Michael Z. Kagan, Panolil Raveendranath, Syed M. Shah, Michael W. Winkley
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Patent number: 5523427Abstract: 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: GrantFiled: March 14, 1995Date of Patent: June 4, 1996Assignee: American Home Products CorporationInventor: Michael W. Winkley
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Patent number: 5519153Abstract: 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: GrantFiled: March 14, 1995Date of Patent: May 21, 1996Assignee: American Home Products CorporationInventor: Michael W. Winkley
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Patent number: 5428151Abstract: 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: GrantFiled: May 5, 1994Date of Patent: June 27, 1995Assignee: American Home Products CorporationInventors: Michael W. Winkley, Robert D. Mitchell
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Patent number: 5149700Abstract: This invention relates to substituted arylsulfonamides and benzamides possessing aniarrhythmic activity, to pharmaceutical compositions and to methods for production thereof.Type: GrantFiled: October 30, 1991Date of Patent: September 22, 1992Assignee: American Home Products CorporationInventors: John W. Ellingboe, Jehan F. Bagli, Michael W. Winkley
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Patent number: 4935515Abstract: 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: GrantFiled: November 6, 1989Date of Patent: June 19, 1990Assignee: American Home Products CorporationInventors: Michael W. Winkley, James L. Diebold
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Patent number: 4882323Abstract: 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: GrantFiled: February 23, 1988Date of Patent: November 21, 1989Assignee: American Home ProductsInventors: Michael W. Winkley, James L. Diebold
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Patent number: 4801706Abstract: 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: GrantFiled: April 28, 1988Date of Patent: January 31, 1989Assignee: American Home Products CorporationInventors: Michael W. Winkley, James L. Diebold
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Patent number: 4785118Abstract: 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: GrantFiled: October 31, 1986Date of Patent: November 15, 1988Assignee: American Home Products CorporationInventors: Michael W. Winkley, Ronald J. McCaully