Patents Assigned to Cho-Jan Liang - Justia Patents Search

Patents Assigned to Cho-Jan Liang

Theophylline-based soluble guanylyl cyclase activators KMUP-1 analogues enhanced cyclic GMP and K+ channel activities on rabbit corpus cavernosum smooth muscle and intercavernous pressure activities

Patent number: 6979687

Abstract: The invention pertains to theophylline (1-methyl, 3-methyl xanthine) and IBMX (1-methyl, 3-isobutyl xanthine) derivatives of formulas I and II: where R1 is —CH3 or —CH2CH(CH3)2, and R2 is where R3 and R4 are independently selected from the group consisting of OCH3, CH3, NO2, F, Cl, Br and I.

Type: Grant

Filed: September 27, 2002

Date of Patent: December 27, 2005

Assignees: Cho-Jan Liang

Inventor: Ing-Jun Chen