Patents by Inventor Ramani Raghavan

Ramani Raghavan 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).

  • Process and intermediates for the preparation of (1R,2S,5S)-6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylates for salts thereof
    Publication number: 20080114179
    Abstract: In one embodiment, the present application relates to a process of making a compound of formula I. and to certain intermediate compounds that are made within the process of making the compound of formula I.
    Type: Application
    Filed: November 6, 2007
    Publication date: May 15, 2008
    Inventors: Jeonghan Park, Anantha Sudhakar, George Wong, Minzhang Chen, Juergen Weber, Xiaojing Yang, Daw Kwok, Ingyu Jeon, Ramani Raghavan, Maria Tamarez, Weidong Tong, Eugene Vater
  • Process and intermediates for the synthesis of (3-alkyl-5-piperidin-1-yl-3,3a-dihydro-pyrazolo[1,5-a]pyrimidin-7-yl)-amino derivatives and intermediates
    Publication number: 20080058518
    Abstract: This application discloses a novel process to synthesize (3-alkyl-5-piperidin-1-yl-3,3a-dihydro-pyrazolo[1,5-a]pyrimidin-7-yl)-amino derivatives, and intermediates useful in the synthesis thereof. The subject (3-alkyl-5-piperidin-1-yl-3,3a-dihydro-pyrazolo[1,5-a]pyrimidin-7-yl)-amino derivatives are useful as cyclin-dependent kinase inhibitor compounds (CDK inhibitors) in pharmaceutical preparations.
    Type: Application
    Filed: August 17, 2007
    Publication date: March 6, 2008
    Inventors: Frank Chen, Kartik Keertikar, Shen-Chun Kuo, Hong-Chang Lee, Ramani Raghavan, George Wu, Ji Xie
  • Synthesis of (4-bromophenyl)(4-piperidy)methanone-(Z)-O-ethyloxime and salts
    Publication number: 20050171159
    Abstract: In one embodiment, the present invention describes the synthesis of (4-bromophenyl) (4-piperidyl)methanone-(Z)-O-ethyloxime and its acid salts, and similar compounds, in high stereochemical purity.
    Type: Application
    Filed: April 4, 2005
    Publication date: August 4, 2005
    Inventors: George Wong, Jeonghan Park, Weidong Tong, Ramani Raghavan
  • Synthesis of (4-bromopnenyl)(4-piperidyl)methanone-(Z)-O-ethyloxime and salts
    Patent number: 6914142
    Abstract: In one embodiment, the present invention describes the synthesis of (4-bromophenyl) (4-piperidyl)methanone-(Z)—O-ethyloxime and its acid salts, and similar compounds, in high stereochemical purity.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: July 5, 2005
    Assignee: Schering Corporation
    Inventors: George S. K. Wong, Jeonghan Park, Weidong Tong, Ramani Raghavan
  • Process and intermediates for the preparation of (1R,2S,5S)-6,6-dimethyl-3-azabicyclo[3,1,0]hexane-2-carboxylates or salts thereof
    Publication number: 20050059648
    Abstract: In one embodiment, the present application relates to a process of making a compound of formula I. and to certain intermediate compounds that are made within the process of making the compound of formula I.
    Type: Application
    Filed: June 15, 2004
    Publication date: March 17, 2005
    Inventors: Jeonghan Park, Anantha Sudhakar, George Wong, Minzhang Chen, Juergen Weber, Xiaojing Yang, Daw-Jong Kwok, Ingyu Jeon, Ramani Raghavan, Maria Tamarez, Weidong Tong, Eugene Vater