Patents by Inventor Hans Raj Negi

Hans Raj Negi 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: 20100102271
    Abstract: This invention relates essential oil constituents citronellol and rose oxides and other constituents from a cold desert plant i.e. Dracocephalum heterophyllum benth, the present invention also provides a process for the extraction of the essential oil.
    Type: Application
    Filed: March 25, 2002
    Publication date: April 29, 2010
    Inventors: Vijay Kumar Kaul, Umar Mahmood, Paramvir Singh Ahuja, Brij Lal, Hans Raj Negi, Devi Naritan, Virendra Singh