Patents by Inventor Ajay Sohanlal Midha

Ajay Sohanlal Midha 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).

  • 4-(diarylmethyl)-1-piperazinyl derivatives
    Patent number: 7297697
    Abstract: A compound of formula I wherein X, Y, X? & Y? are selected from hydrogen, halogen, substituted or unsubstituted alkyl (linear, branched or cyclo), aryl, alkyloxy and haloalkyl group; R1, R2, R3 & R4 are selected from hydrogen, substituted or unsubstituted alkyl groups (linear, branched or cyclo), aryl, heteroaryl groups or aralkyl groups, heterocycles containing one or more of hetero atoms (viz.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: November 20, 2007
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Ajay Sohanlal Midha, Hemant Ashvinbhai Chokshi, Trinadha Rao Chitturi, Rajamannar Thennati
  • Process for the synthesis of alkoxyalkyl (trifluormethylphenyl) methanones
    Patent number: 6380436
    Abstract: A new process is described for the preparation of (alkoxyalkyl)(4-trifluoromethylphenyl)methanones. The process comprises reacting a 4-trifluoromethylbenzonitrile with an alkoxyalkyl Grignard in the presence of a suitable polar aprotic solvent. The compound (4-methoxybutyl)(4-trifluoromethylphenyl)methanone is useful as an intermediate in the preparation of the antidepressant drug fluvoxamine.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: April 30, 2002
    Assignee: Sun Pharmaceutical Industries Ltd.
    Inventors: Rajamannar Thennati, Keshav Deo, Ajay Sohanlal Midha, Tilak Chandra, Vijay Muljihhai Patel