Patents by Inventor Jhillu Singh Yadav

Jhillu Singh Yadav 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).

  • (+)-Cycloolivil as antioxidant obtained from natural source namely stereospermum personatum
    Patent number: 6562381
    Abstract: The present invention relates to a novel pharmaceutical composition containing (+)-Cycloolivil and an additives, which is used as an antioxidant and is obtained from a new source namely Stereospermum personatum; the invention also provides a process for isolation the active compound (+)-Cycloolivil from a plant source namely Stereospermum personatum and use of the compound (+)-Cycloolivil as an antioxidant.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: May 13, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Upparapalli Sampath Kumar, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • Plant phenol as new hepatoprotective agents
    Patent number: 6537593
    Abstract: This invention relates to the isolation of compound namely (−)-wikstromol and together with or associated with a therapeutically acceptable additive and useful as hepatoprotective agent.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: March 25, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • (-)-Olivil as antioxidant which is obtained from a new natural source namely stereospermum personatum
    Publication number: 20030032633
    Abstract: This invention relates to a pharmaceutical composition comprising an effective amount of (-)-Olivil together with or associated with an additive useful as an antioxidant; a process for isolating the (-)-Olivil from the pant Stereospermum Personatum and also relates to use of the active fraction (-)-Olivil as an antioxidant or free radical scavenger.
    Type: Application
    Filed: July 27, 2001
    Publication date: February 13, 2003
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Upparapalli Sampath Kumar, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • (+)-Cycloolivil as antioxidant obtained from a new natural source namely stereospermum personatum
    Publication number: 20030026862
    Abstract: The present invention relates to a novel pharmaceutical composition containing (+)-Cycloolivil and an additives, which is used as an antioxidant and is obtained from a new source namely Stereospermum personatum; the invention also provides a process for isolation the active compound (+)-Cycloolivil from a plant source namely Stereospermum personatum and use of the compound (+)-Cycloolivil as an antioxidant.
    Type: Application
    Filed: July 27, 2001
    Publication date: February 6, 2003
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Upparapalli Sampath Kumar, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • (-)-Secoisolariciresinol as an antioxidant obtained from a new natural source namely stereospermum personatum
    Patent number: 6489514
    Abstract: This invention relates to a pharmaceutical composition comprising an effective amount of (−)-Secoisolariciresinol together with or associated with an additive useful as an antioxidant; a process for isolating the (−)-Secoisolariciresinol from the plant Stereospermum Personatum and also relates to use of the active fraction (−)-Secoisolariciresinol as an antioxidant or free radical scavenger.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: December 3, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Upparapalli Sampath Kumar, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • Plant phenol as new hepatoprotective agents
    Publication number: 20020094351
    Abstract: This invention relates to the isolation of compound namely (−)-wikstromol and together with or associated with a therapeutically acceptable additive and usefull as hepatoprotective agent.
    Type: Application
    Filed: January 29, 2002
    Publication date: July 18, 2002
    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH
    Inventors: Janaswamy Madhusudana Rao, Ashok Kumar Tiwari, Pullela Venkata Srinivas, Jhillu Singh Yadav, Kondapuram Vijaya Raghavan
  • Method for producing (+) (2S,3S)-3-(2-aminophenylthio)-2-hydroxy-3(4'-methoxyphenyl)-propionic acid
    Patent number: 6130352
    Abstract: A process for the preparation of (+) (2S, 3S)-3-(2-aminophenylthio)-2-hydroxy-3-(4'-methoxyphenyl)-propionic acid which comprises treating the (.+-.) compound of (2RS, 3RS) 3-(2-aminophenylthio)-2-hydroxy-3-(4'-methoxyphenyl)-propionic acid (formula (II)) with the (+) compound of the 2-methylbenzylamine (formula (III)) and an alkali in the presence of a polar solvent, the amount of the compound of the formula (III) and the alkali being in half equivalent amount of compound of the formula (II) employed, separating the precipitate (+) amine salt form of (2-aminophenylthio)-2-hydroxy-3-(4'-methoxyphenyl)-propionic acid from the 1(-) salt form remaining in solution, by known methods treating the (+) amine salt from with an organic solvent and then decomposing the (+) amine salt form to produce (+)(2s, 3s)-3-(2-aminophenylthio)-2-hydroxy-3-(4'-methoxyphenyl)-propionic acid.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: October 10, 2000
    Assignee: Council of Scientific & Industrial Research
    Inventors: Yennu Sangiah Sadanandam, Meera Manjaya Shetty, Imtiaz Ahm Ansari, Jhillu Singh Yadav, Alla Venkata Rama Rao