Patents by Inventor Nilesh Liladhar Bonde

Nilesh Liladhar Bonde 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 AND COMPOUNDS FOR PREPARATION OF CANNABINOIDS
    Publication number: 20220009899
    Abstract: The invention involves condensation of various derivatives of cyclic alkene alcohols of Formula II or Formula III where, R1 is alkyl, aryl, alkyl aryl or heterocyclic carbamoyl. R2 is either R1 as mentioned earlier or an acyl group, —C(?O)—R3 where, R3 is selected from a group comprising (subst)C1-C12 alkyl, (subst)aryl, alkyl aryl with olivetol to get (?)-trans-?9-tetrahydrocannabinol (also known as Dronabinol, Formula I). The process disclosed provides high purity of dronabinol at crude stage making it easy for purification.
    Type: Application
    Filed: February 20, 2019
    Publication date: January 13, 2022
    Applicant: EMBIO LIMITED
    Inventors: Gollapudy SUBRAHMANYAM, Sunil JOSHI, Nilesh Liladhar BONDE, Jinesh Gajanand BHATT, Makarand Sitaram GORE
  • Processes for Preparing Donepezil
    Publication number: 20100105916
    Abstract: A process for preparing highly pure donepezil, particularly donepezil hydrochloride, is provided comprising hydrogenating compound 1-benzyl-4-[(5,6-dimethoxy-1-indanon)-2-ylidene]methyl-piperidine or its hydrochloride salt with a noble metal catalyst or a derivative thereof, in the presence of at least one additive, wherein the additive contains at least one heteroatom, e.g., a sulfur, phosphorous, or nitrogen heteroatom.
    Type: Application
    Filed: April 23, 2009
    Publication date: April 29, 2010
    Applicant: Sterling Biotech Limited
    Inventors: Raju Mahadev Kharatkar, Sachin Vinayakrao Pande, Nilesh Liladhar Bonde, Godfree Pavalu Fernandes, Sugata Chatterjee