Patents by Inventor John Potoski

John Potoski 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: 7786297
    Abstract: Micronized tanaproget, purified tanaproget Form I, and micronized, purified tanaproget Form I are provided. Also provided are compositions containing one or more of the prepared tanaproget forms, methods of using one or more of the prepared tanaproget forms, and kits containing one or more of the prepared tanaproget forms.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: August 31, 2010
    Assignee: Wyeth LLC
    Inventors: Ramarao Chatlapalli, Arwinder Nagi, John Potoski, Jean Louise Helom, Bogdan Kazimierz Wilk, Arkadiy Zinoviy Rubezhov, Vladimir Dragan
  • Publication number: 20090264648
    Abstract: The present invention provides compounds and compositions, methods of making them, and methods of using them to modulate ?7 nicotinic acetylcholine receptors and/or to treat any of a variety of disorders, diseases, and conditions. Provided compounds can affect, among other things, neurological, psychiatric and/or inflammatory system.
    Type: Application
    Filed: January 14, 2009
    Publication date: October 22, 2009
    Applicants: WYETH, SIENA BIOTECH S.P.A.
    Inventors: Warren Chew, Zheng Wang, Gloria Cheal, Martial Bertrand, John Potoski, Mahmoud Mirmehrabi, Arianna Nencini, Riccardo Zanaletti
  • Patent number: 7601857
    Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: October 13, 2009
    Assignee: Wyeth
    Inventors: Sreenivasulu Megati, Galina Vid, Arthur G. Mohan, Panolil Raveendranath, John Potoski
  • Publication number: 20090023930
    Abstract: Methods for preparing compound of formula (I) are described, wherein R1-R3 are defined herein, as are methods for preparing the intermediates formed therein. Also described are methods for enantioselectively preparing a chiral compound of the following structure, wherein R2 and R3 are defined herein.
    Type: Application
    Filed: July 14, 2008
    Publication date: January 22, 2009
    Applicant: Wyeth
    Inventors: Asaf Alimardanov, Antonia Nikitenko, Gregg Feigelson, John Potoski
  • Publication number: 20090023903
    Abstract: A novel trifluoroacetylating agent, i.e., N-trifluoroacetylmorpholine, is described. This reagent is useful in the preparation of phenyl and heterocyclic sulfonamide compounds. Methods are therefore described for preparing sulfonamide compounds of the following structure, wherein R1 and R2 are defined herein, using N-trifluoroacetylmorpholine. The sulfonamide compounds that may be prepared as described herein include 5-chloro-thiophene-2-sulfonic acid [(1S,2R)-2-(3,5-difluoro-phenyl)-3,3,3-trifluoro-1-hydroxymethyl-propyl]-amide using N-trifluoroacetylmorpholine.
    Type: Application
    Filed: July 14, 2008
    Publication date: January 22, 2009
    Applicant: Wyeth
    Inventors: Terrence Joseph Connolly, Anita Wai-Yin Chan, Zhixian Ding, Mousumi Ghosh, Xinxu Shi, Jianxin Ren, Eric Hansen, Roger Farr, Michael MacEwan, Asaf Alimardanov, Antonia Nikitenko, John Potoski
  • Patent number: 7476752
    Abstract: The present invention provides processes for the preparation of compounds of Formula I, which are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases. The compounds of Formula I are also useful as pharmaceuticals.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: January 13, 2009
    Assignee: Wyeth
    Inventors: Weiguo Liu, John L. Considine, Zhixian Ding, John Potoski
  • Publication number: 20080071091
    Abstract: The present invention provides processes for the preparation of substituted naphthylindole derivatives that can be used as inhibitors of plasminogen activator inhibitor-1 (PAI-1). In certain embodiments of the invention, the processes involve reactions that include one or more of an Oppenauer oxidation, a Fischer indole synthesis, a methyl ether cleavage, or coupling a substituted methyltetrazole with a substituted naphthol.
    Type: Application
    Filed: November 28, 2007
    Publication date: March 20, 2008
    Applicant: Wyeth
    Inventors: Vladimir DRAGAN, John Potoski, Wayne McMahon, Jean Helom, Xinxu Shi
  • Publication number: 20080058521
    Abstract: The present invention provides improved synthetic methods for the preparation of compounds that modulate proliferation or differentiation in a cell or tissue.
    Type: Application
    Filed: January 25, 2007
    Publication date: March 6, 2008
    Applicant: Wyeth
    Inventors: Lalitha Krishnan, David Blum, Anja Dilley, Sherry Pan, John Potoski, Uresh Shah, Archana Sharma, Henry Strong, Yanzhong Wu, Mei-Yi Zhang, Cynthia Blum
  • Publication number: 20080051585
    Abstract: Processes for dialkylating indolinones, specifically indolin-2-ones are provided. The processes for dialkylating an indolin-2-one include performing the dialkylation in the presence of at least 2 equivalents of a first base, a second base containing at least 1 equivalent of lithium diisopropylamide, and an alkylating agent. Processes for preparing a compound of the structure are provided, wherein R1, R3, R4, R6, R7, R9, and R10 are as defined herein. In one embodiment, a process for preparing 5-(4?-fluoro-2?-oxospiro[cyclopropane-1,3?-indoline]-5?-yl)-1-methyl-1H-pyrrole-2-carbonitrile is provided.
    Type: Application
    Filed: August 15, 2007
    Publication date: February 28, 2008
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, John Potoski
  • Publication number: 20070129377
    Abstract: Processes are disclosed for preparing substituted aryl cycloalkanol derivatives, particularly chiral substituted aryl cycloalkanol derivatives of the general formula:
    Type: Application
    Filed: December 4, 2006
    Publication date: June 7, 2007
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, Antonia Nikitenko, Jean Schmid, John Potoski
  • Publication number: 20060247236
    Abstract: Micronized tanaproget, purified tanaproget Form I, and micronized, purified tanaproget Form I are provided. Also provided are compositions containing one or more of the prepared tanaproget forms, methods of using one or more of the prepared tanaproget forms, and kits containing one or more of the prepared tanaproget forms.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 2, 2006
    Applicant: Wyeth
    Inventors: Ramarao Chatlapalli, Arwinder Nagi, John Potoski, Jean Helom, Bogdan Wilk, Arkadiy Rubezhov, Vladimir Dragan
  • Publication number: 20060183917
    Abstract: The present invention provides processes for the preparation of substituted naphthylindole derivatives that can be used as inhibitors of plasminogen activator inhibitor-1(PAI-1). In certain embodiments of the invention, the processes involve reactions that include one or more of an Oppenauer oxidation, a Fischer indole synthesis, a methyl ether cleavage, or coupling a substituted methyltetrazole with a substituted naphthol.
    Type: Application
    Filed: January 25, 2006
    Publication date: August 17, 2006
    Applicant: Wyeth
    Inventors: Vladimir Dragan, John Potoski, Wayne McMahon, Jean Helom, Xinxu Shi
  • Publication number: 20060111438
    Abstract: The present invention concerns production of a compound of the formula or a pharmaceutically acceptable salt thereof by a process which utilizes the cyclization of a compound of the formula: where Ar, Y, R1, Ry, R2, and m are as defined herein.
    Type: Application
    Filed: October 21, 2005
    Publication date: May 25, 2006
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, Gulnaz Khafizova, John Potoski, Qing Yu, Chia-Cheng Shaw, Gary Stack, Dahui Zhou
  • Publication number: 20050288268
    Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.
    Type: Application
    Filed: August 22, 2005
    Publication date: December 29, 2005
    Applicant: Wyeth
    Inventors: Sreenivasulu Megati, Galina Vid, Arthur Mohan, Panolil Raveendranath, John Potoski
  • Publication number: 20050282820
    Abstract: The present invention relates to methods of making Gonadotropin Releasing Hormone (“GnRH”) (also known as Leutinizing Hormone Releasing Hormone) receptor antagonists.
    Type: Application
    Filed: June 16, 2005
    Publication date: December 22, 2005
    Applicant: Wyeth
    Inventors: Alexander Gontcharov, Gulnaz Khafizova, John Potoski, Donna Huryn
  • Publication number: 20050277784
    Abstract: The present invention provides processes for the preparation of compounds of Formula III that are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases.
    Type: Application
    Filed: June 9, 2005
    Publication date: December 15, 2005
    Applicant: Wyeth
    Inventors: Weiguo Liu, John Considine, Zhixian Ding, John Potoski
  • Publication number: 20050277783
    Abstract: The present invention provides processes for the preparation of compounds of Formula I, which are useful in the preparation of pharmaceuticals for the treatment of inflammatory diseases. The compounds of Formula I are also useful as pharmaceuticals.
    Type: Application
    Filed: June 9, 2005
    Publication date: December 15, 2005
    Applicant: Wyeth
    Inventors: Weiguo Liu, John Considine, Zhixian Ding, John Potoski
  • Patent number: 6956126
    Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: October 18, 2005
    Assignee: Wyeth
    Inventors: Sreenivasulu Megati, Galina Vid, Arthur Mohan, Panolil Raveendranath, John Potoski
  • Publication number: 20050038026
    Abstract: The present invention provides a new process and intermediates for the production of antiviral compound 4?,4-bis-{4,6-bis-[3-(bis-carbamoyl-methyl-1-sulfamoyl)-phenylamino]-[1,3,5]triazin-2-ylamino}-biphenyl-2,2?-disulfonic acid and its pharmaceutically acceptable salts.
    Type: Application
    Filed: September 22, 2004
    Publication date: February 17, 2005
    Applicant: WYETH
    Inventors: Silvio Iera, Christopher Demerson, Jacqueline Lunetta, Maria Papamichelakis, Michael MacEwan, Wayne McMahon, John Potoski, Arthur Mohan
  • Publication number: 20040044234
    Abstract: This invention relates to a process for the preparation of 6-hydroxyequilenins, which are useful as estrogenic agents.
    Type: Application
    Filed: July 2, 2003
    Publication date: March 4, 2004
    Applicant: Wyeth
    Inventors: Sreenivasulu Megati, Galina Vid, Arthur G. Mohan, Panolil Raveendranath, John Potoski