Patents by Inventor Ashok Kumar Prasad

Ashok Kumar Prasad 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).

  • Publication number: 20110201634
    Abstract: The present invention relates to a dihydropyrimidinone compound of formula (I) wherein X represents O, S, etc. and R? represents alkyl, alkoxy, thioalkyl, thioalkyloxy, phenyl, substituted phenyl, phenyloxy, substituted phenyloxy, amino, monosubstitutedamino, disubstitutedamino, aryl, heteroaryl, aryloxy, heteroaryloxy, halo; R? represents alkoxy, phenyloxy, substituted phenyloxy, aryloxy, heteroaryloxy, halo, NR1R2 and Rn represents OR1, NH2, SR1, NR1R2; R1, R2=H, alkyl, phenyl, aryl, OCOR3, SCOR3, NHCOR3, NR1COR3; R3 represents alkyl, phenyl, aryl, heteroaryl.
    Type: Application
    Filed: June 15, 2009
    Publication date: August 18, 2011
    Applicants: DELHI UNIVERSITY, VALLABHBHAI PATEL CHEST INSTITUTE
    Inventors: Virinder Singh Parmar, Hanumanthrao Guru Raj, Ashok Kumar Prasad
  • Publication number: 20110178168
    Abstract: The present invention relates to compounds of Formula (I): wherein—X and Y represent O, S, NR?; Rn represents alkyl, aryl, OR1, NH2, SR1, NR1R2. wherein R1, R2=H, alkyl, phenyl, aryl, OCOR3, SCOR3, NHCOR3, NR1COR3, etc. (wherein R3 represents alkyl, phenyl, aryl, heteroaryl); R? and R? represent H, alkyl, phenyl, substituted phenyl, phenyloxy, substituted phenyloxy, amino, mono substituted amino, disubstituted amino, aryl, heteroaryl, aryloxy, heteroaryloxy, alkoxy, thioalkyl, thioalkyloxy, halo and a process for preparing the same.
    Type: Application
    Filed: June 23, 2009
    Publication date: July 21, 2011
    Inventors: Virender Singh Parmar, Hanumanthrao Guru Raj, Ashok Kumar Prasad, Subhash Chand Jain