Patents by Inventor Sergey Wolfson

Sergey Wolfson 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).

  • Quaternary ammonium compounds
    Publication number: 20050148672
    Abstract: The compound 2-[(1R)-3-(diisopropylamino)-1-phenylpropyl]-4-(trifluoromethyl) phenol may be used to prepare the compound (3R)-3-[2-hydroxy-5-(trifluoromethyl)phenyl]-N,N-diisopropyl-N-methyl-3-phenylpropan-1-aminium bromide by reaction with methyl bromide.
    Type: Application
    Filed: March 8, 2005
    Publication date: July 7, 2005
    Inventors: Ivan Richards, Sue Cammarata, Craig Wegner, Michael Hawley, Mark Warchol, Mark Kontny, Walter Morozowich, Karen Kolbasa, Malcolm Moon, Dominique Bonafoux, Sergey Wolfson, Patrick Lennon