Patents by Inventor Avdhesh Kumar Srivastava

Avdhesh Kumar Srivastava 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 isolation of withaferin-A from plant materials and products therefrom
    Patent number: 7108870
    Abstract: The present invention relates to an improved process of analytical and quantitative isolation of withaferin-A from Withania somnifera (Sanskrit: Ashwagandha, English: winter cherry) and other plants and products therefrom, said method comprising steps of selecting most appropriate extraction medium composition, with extraction solvent system consisting of a defined admixture of water and alcohol in a range of proportion of alcohol within a narrow range of (methanol, ethanol etc.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: September 19, 2006
    Assignee: Council of Scientific & Industrial Research
    Inventors: Rajender Singh Sangwan, Narayan Das Chaurasiya, Laxmi Narayan Misra, Payare Lal, Girish Chandra Uniyal, Neelam Singh Sangwan, Avdhesh Kumar Srivastava, Krishan Avtar Suri, Ghulam Nabi Qazi, Rakesh Tuli
  • Protein profiling of hyper acidic plants and high protein extraction compositions thereof
    Patent number: 6893667
    Abstract: The present invention relates to a method for profiling of protein extract from hyper-acidic aerial parts of plant Scented Geranium (Pelargonium sp.), said method comprising steps of selecting effective extraction medium, with extraction medium consisting of 0.2 M sodium carbonate increasing percentage extract by about 600%, selecting effective medium to determine polypeptide pattern in said extract, with polypeptide pattern medium consisting of Sodium Carbonate ranging between 0.2 to 0.4 M, and 0.2 M Sodium Carbonate along with 50% dimethylsulfoxide, selecting effective media to determine enzyme multimolecular forms in said extract, with enzyme multimolecular forms media consisting of 0.2 M Tris-HCl buffer at pH 7.5, and optionally 50% dimethylsulfoxide; Sodium Carbonate at concentration ranging between 0.2 to 0.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: May 17, 2005
    Assignee: Council of Scientific and Industrial Research
    Inventors: Rajender Singh Sangwan, Neelam Singh Sangwan, Bali Ram Tyagi, Avdhesh Kumar Srivastava, Usha Yadav
  • Protein profiling of hyper acidic plants and high protein extraction compositions thereof
    Publication number: 20030180709
    Abstract: The present invention relates to a method for profiling of protein extract from hyper-acidic aerial parts of plant Scented Geranium (Pelargonium sp.), said method comprising steps of selecting effective extraction medium, with extraction medium consisting of 0.2 M sodium carbonate increasing percentage extract by about 600%, selecting effective medium to determine polypeptide pattern in said extract, with polypeptide pattern medium consisting of Sodium Carbonate ranging between 0.2 to 0.4M, and 0.2 M Sodium Carbonate along with 50% dimethylsulfoxide, selecting effective media to determine enzyme multimolecular forms in said extract, with enzyme multimolecular forms media consisting of 0.2M Tris-HCl buffer at pH 7.5, and optionally 50% dimethylsulfoxide; Sodium Carbonate at concentration ranging between 0.2 to 0.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 25, 2003
    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Rajender Singh Sangwan, Neelam Singh Sangwan, Bali Ram Tyagi, Avdhesh Kumar Srivastava, Usha Yadav