Patents by Inventor Alex Shlyankevich

Alex Shlyankevich 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).

  • Developing a delivery system for multi-pharmaceutical active materials at various release rates
    Publication number: 20050238715
    Abstract: The invention provides a novel pharmaceutical compositions useful for the delivery of more than one pharmaceutically active compound. More specifically, the invention provides a novel pharmaceutical compositions useful for the delivery of the (+) tramadol enantiomer and the (?) tramadol enantiomer.
    Type: Application
    Filed: June 22, 2005
    Publication date: October 27, 2005
    Applicant: Penwest Pharmaceuticals Co.
    Inventors: Lirong Liu, Alex Shlyankevich, Anand Baichwal
  • Developing a delivery system for multi-pharmaceutical active materials at various release rates
    Publication number: 20020143065
    Abstract: The invention provides a novel pharmaceutical compositions useful for the delivery of more than one pharmaceutically active compound. More specifically, the invention provides a novel pharmaceutical compositions useful for the delivery of the (+) tramadol enantiomer and the (−) tramadol enantiomer.
    Type: Application
    Filed: October 3, 2001
    Publication date: October 3, 2002
    Inventors: Lirong Liu, Alex Shlyankevich, Anand Baichwal