Patents by Inventor TAE-HONG CHOI

TAE-HONG CHOI 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).

  • EXTENDED RELEASE ORAL ACETAMINOPHEN/TRAMADOL DOSAGE FORM
    Publication number: 20100104638
    Abstract: An extended release oral administered dosage form of acetaminophen and tramadol. The dosage form includes a composition of acetaminophen together with a tramadol complex formed with an anionic polymer. The tramadol complex provides sustained release of tramadol for a synchronized (coordinated) release profile of acetaminophen and tramadol.
    Type: Application
    Filed: October 23, 2009
    Publication date: April 29, 2010
    Inventors: WEI-GUO DAI, LIANG-CHANG DONG, TAE-HONG CHOI, SUNG JOO HWANG, JAE HYUN KIM, DONG HO LEE