Patents by Inventor Perminder Singh Johar

Perminder Singh Johar 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 for preparing L-phenyl-3-dimethylaminopropane derivative
    Patent number: 8552219
    Abstract: Provided is a process for the preparing 1-phenyl-3-dimethylaminopropane derivatives of formula I, (The formula should be inserted here) and its pharmaceutically acceptable salts thereof via novel intermediates.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: October 8, 2013
    Assignee: Ind-Swift Laboratories Limited
    Inventors: Shekhar Bhaskar Bhirud, Perminder Singh Johar, Sushanta Mishra, Danish Jamshad
  • PROCESS FOR PREPARING L-PHENYL-3-DIMETHYLAMINOPROPANE DERIVATIVE
    Publication number: 20130190522
    Abstract: Provided is a process for the preparing 1-phenyl-3-dimethylaminopropane derivatives of formula I, (The formula should be inserted here) and its pharmaceutically acceptable salts thereof via novel intermediates.
    Type: Application
    Filed: September 20, 2011
    Publication date: July 25, 2013
    Applicant: IND-SWIFT LABORATORIES LIMITED
    Inventors: Shekhar Bhaskar Bhirud, Perminder Singh Johar, Sushanta Mishra, Danish Jamshad
  • PROCESS FOR PREPARING CINACALCET AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    Publication number: 20110172455
    Abstract: The resent invention rovides a novel rocess for re arin cinacalcet of formula I and pharmaceutically acceptable salts thereof and process of purification. The present invention also provides novel nitrogen protected synthetic intermediates useful in the process of the present invention. Further, the present invention provides a novel substituted carbamate impurity and process of preparation thereof.
    Type: Application
    Filed: July 6, 2009
    Publication date: July 14, 2011
    Applicant: IND-SWIFT LABORATORIES LIMITED
    Inventors: Venkateswaran Srinivasan Chidambaram, Ramkaran Prajapaty, Perminder Singh Johar, Ekta Sharma, Lalit Wadhwa
  • One pot synthesis of [2,8-Bis (trifluoromethyl)-4-quinolinyl]-2-pyridinylmethanone, a mefloquine intermediate
    Patent number: 6500955
    Abstract: The present invention provides a simple single step process for the preparation of [2,8-bis(trifluoromethyl)-4-quinolinyl]-2-pyridinylmethanone, comprising the step of condensing a halo-quinoline with an alpha-picolyl derivatives in the presence of a solvent, a base and a phase transfer catalyst at −10° C. to +90° C.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: December 31, 2002
    Assignee: National Institute of Pharmaceutical Education and Research
    Inventors: Harmander Pal Singh Chawla, Perminder Singh Johar, Alka Mittal, Ram Avtar Meena, Villendra Singh Negi
  • ONE POT SYNTHESIS OF [2, 8-BIS (TRIFLUOROMETHYL)-4- QUINOLINYL]2-PYRIDINYLMETHANONE, A MEFLOQUINE INTERMEDIATE
    Publication number: 20020188129
    Abstract: The present invention provides a simple single step process for the preparation of [2,8-bis (trifluoromethyl)-4-quinolinyl]-2 -pyridinylmethanone, comprising the step of condensing a halo-quinoline with an alpha-picolyl derivatives in the presence of a solvent, a base and a phase transfer catalyst at −10° C. to +90° C.
    Type: Application
    Filed: January 30, 2002
    Publication date: December 12, 2002
    Applicant: NATIONAL INSTITUTE OF PHARMACEUTICAL EDUCATION AND RESEARCH
    Inventors: Harmander Pal Singh Chawla, Perminder Singh Johar, Alka Mittal, Ram Avtar Meena, Villendra Singh Negi
  • Liquid-crystal alignment film
    Patent number: 6001277
    Abstract: Related to a liquid-crystal alignment film that can align liquid-crystal molecules without resort to the rubbing.The liquid-crystal alignment film of the present invention comprises a resin (e.g., a polyimide) containing a photoisomerizable and dichroic structural unit (e.g., a stilbene derivative), and is furnished with the ability to align liquid-crystal molecules when a film formed of the resin is irradiated with linearly polarized light; the ability to align liquid-crystal molecules being held and fixed.The liquid-crystal alignment film of the present invention is used in electric-filed driven type liquid-crystal display devices.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: December 14, 1999
    Assignee: Hitachi Chemical Company, Ltd.
    Inventors: Kunihiro Ichimura, Nobuo Miyadera, Yasuo Miyadera, Yutaka Honda, Iwao Fukuchi, Naoto Ohta, Perminder Singh Johar