Patents by Inventor Abhijeet Deb ROY

Abhijeet Deb ROY 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 preparing ?-damascone
    Patent number: 10150730
    Abstract: The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9-trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: December 11, 2018
    Assignee: BASF SE
    Inventors: Stefan Rüdenauer, Thomas Fenlon, Shrirang Hindalekar, Nisha Pansare, Abhijeet Deb Roy, Vijay Narayanan Swaminathan
  • PROCESS FOR PREPARING ALPHA-DAMASCONE
    Publication number: 20180244613
    Abstract: The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9-trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.
    Type: Application
    Filed: August 17, 2016
    Publication date: August 30, 2018
    Inventors: Stefan RÜDENAUER, Thomas FENLON, Shriang HINDALEKAR, Nisha PANSARE, Abhijeet Deb ROY, Vijay Narayanan SWAMINATHAN