Patents by Inventor Anuj Sharma

Anuj Sharma 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).

  • Microwave induced process for the preparation of substituted 4-vinylphenols
    Patent number: 6989467
    Abstract: The present invention relates to “a microwave induced process for the preparation of 4-vinylphenols or its derivatives” in which commercially important FEMA GRAS approved perfumery and flavouring vinylphenols (i.e. hydroxystyrenes) namely 4-vinylguaiacol (FEMA GRAS No. 2675) and 4-vinylphenol (FEMA GRAS No. 3739) as well as other useful vinylphenols such as 2,6-dimethoxy-4-vinylphenol, 2-hydroxy-4-vinylphenol, 3-hydroxy-4-vinylphenol etc. by condensation of malonic acid and 4-hydroxyphenylaldehydes or its derivatives.
    Type: Grant
    Filed: March 7, 2003
    Date of Patent: January 24, 2006
    Assignee: Council of Scientific and Industrial Research
    Inventors: Arun Kumar Sinha, Bhupendra Prasad Joshi, Anuj Sharma
  • Microwave induced process for the preparation of substituted 4-vinylphenols
    Publication number: 20040118673
    Abstract: The present invention relates to “a microwave induced process for the preparation of 4-vinylphenols or its derivatives” in which commercially important FEMA GRAS approved perfumery and flavouring vinylphenols (i.e. hydroxystyrenes) namely 4-vinylguaiacol (FEMA GRAS No. 2675) and 4-vinylphenol (FEMA GRAS No. 3739) as well as other useful vinylphenols such as 2,6-dimethoxy-4-vinylphenol, 2-hydroxy-4-vinylphenol, 3-hydroxy-4-vinylphenol etc. by condensation of malonic acid and 4-hydroxyphenylaldehydes or its derivatives.
    Type: Application
    Filed: March 7, 2003
    Publication date: June 24, 2004
    Applicant: Council of Scientific & Industrial Research
    Inventors: Arun Kumar Sinha, Bhupendra Prasad Joshi, Anuj Sharma