Patents by Inventor Aric Abadayev

Aric Abadayev 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 alkylating secondary amines and the use in donepezil preparation thereof
    Publication number: 20060122227
    Abstract: The present invention relates to an improved process of alkylating secondary amines, more particularly of alkylating compounds having amino piperidinic group, which are useful as donepezil intermediates, wherein an alcohol serves as reaction facilitator thus enabling to obtain donepezil and salts thereof in high quality and yield. The present invention also relates to the prevention of unwanted alkylation of donepezil precursors, having amino piperidinic group, by using suitable reaction conditions.
    Type: Application
    Filed: September 27, 2005
    Publication date: June 8, 2006
    Inventors: Lior Zelikovitch, Oded Arad, Mohammed Alnabari, Yana Sery, Orna Kurlat, Moshe Bentolila, Aric Abadayev, Hanit Marom, Hila Isenberg, Joseph Kaspi