Patents by Inventor Ramakrishnan Sankar

Ramakrishnan Sankar 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).

  • QUICK DISSOLVE COMPOSITIONS OF MEMANTINE HYDROCHLORIDE
    Publication number: 20100292341
    Abstract: The present invention relates to quick dissolve pharmaceutical compositions. More particularly the invention relates to quick dissolve pharmaceutical compositions of memantine hydrochloride capable of dissolving in the oral cavity and process for preparing such compositions. The quick dissolve pharmaceutical compositions of memantine hydrochloride contain at least one water-soluble diluent in particular a mono- or disaccharide and at least one disintegrant and optionally other pharmaceutically acceptable excipients.
    Type: Application
    Filed: June 26, 2008
    Publication date: November 18, 2010
    Applicant: ORCHID CHEMICALS & PHARMACEUTICALS LIMITED
    Inventors: Ramakrishnan Sankar, Chidambaram Seshadri Venkateswaran, Praveen Reddy Billa
  • Monocompartment osmotic controlled drug delivery system
    Publication number: 20050208135
    Abstract: The present invention relates to a monocompartment osmotic controlled drug delivery system comprising a poorly soluble drug and at least one alginic acid derivative.
    Type: Application
    Filed: May 6, 2003
    Publication date: September 22, 2005
    Inventors: Narayanan Badri Viswanathan, Ramakrishnan Sankar, Rajan Verma, Rajeev Raghuvanshi, Ashok Rampal
  • Blue emitting Ce.sup.3+ Activated borate phosphors used in fluorescent lamps and TV tubes and a process for synthesizing the same
    Patent number: 6165385
    Abstract: The present invention relates to novel blue emitting Ce.sup.3+ activated borate phosphors which are used in fluorescent having lamps and TV tubes, having the formula A.sub.6 M.sub.1-x Ce.sub.x M'(BO.sub.3).sub.6 wherein A=La,Sr; M=La,Y, Gd, Lu; and M=Mg, Al, Ga, and x ranging from 0.001-1, and a process for the synthesis of the said activated borate phosphors.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: December 26, 2000
    Assignee: Council of Scientific and Industrial Research
    Inventors: Gundlapalli Venkata Subba Rao, Ramakrishnan Sankar
  • Green emitting TB.sup.3+ activated borate phosphors used in low pressure mercury vapour lamps and a process for synthesizing the same
    Patent number: 6090310
    Abstract: The present invention relates to novel green emitting Tb.sup.3+ activated borate phosphors having the formula A.sub.6 M.sub.1-x Tb.sub.x M'(BO.sub.3).sub.6 wherein A=Sr; M=Y, Gd; M'=Sc, Y, Gd, Al, Ga; and 0.02.ltoreq.x.ltoreq.1, and a process for the synthesis of such activated borate phosphors.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: July 18, 2000
    Assignee: Council of Scientific and Industrial Research
    Inventors: Gundlapalli Venkata Subba Rao, Ramakrishnan Sankar