Patents by Inventor Tzu-chi Robert Ju

Tzu-chi Robert Ju 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).

  • (R)-5,6-dihydro-5-(methylamino)-4H-imidazo[4,5,1-ij]quinolin-2(1H)-one maleate
    Publication number: 20010053386
    Abstract: The sustained release tablet of (R)-5,6-dihydro-5-(methylamino)-4H-imidazo[4,5-ij]-quinolin-2(1H)-one (Z)-2-butenedioate (1:1) which is disclosed permits twice daily administration of (R)-5,6-dihydro-5-(methylamino)-4H-imidazo[4,5-ij]-quinolin-2(1H)-one (Z)-2-butenedioate (1:1) to treat humans with Parkinson's disease.
    Type: Application
    Filed: January 11, 2001
    Publication date: December 20, 2001
    Inventors: Tzu-Chi Robert Ju, Malcolm Wilson Moon
  • Sustained release tablet formulation to treat Parkinson's disease
    Patent number: 6197339
    Abstract: The sustained release tablet of (R)-5,6-dihydro-5-(methylamino)-4H-imidazo[4,5-ij]-quinolin-2(1H)-one (Z)-2-butenedioate (1:1) which is disclosed permits twice daily administration of (R)-5,6-dihydro-5-(methylamino)-4H-imidazo[4,5-ij]-quinolin-2(1H)-one (Z)-2-butenedioate (1:1) to treat humans with Parkinson's disease.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: March 6, 2001
    Assignee: Pharmacia & Upjohn Company
    Inventor: Tzu-chi Robert Ju