Inventor

RIGGENBERG JOSEF D

US3 patents

⚠️ This page may combine multiple inventors who share the name “RIGGENBERG JOSEF D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIGAND PHARM INC

2 patents

US6001846ADec 14, 1999

Process for the preparation of 1,2-dihydroquinolines

LIGAND PHARM INC75 citations95

US6172241B1Jan 9, 2001

Process for the preparation of 1,2-dihydroquinolines

LIGAND PHARM INC21 citations91

LIGAND PHARMACUETICALS INCORPA

1 patent

US6180794B1Jan 30, 2001

Process for the preparation of 1,2-dihydroquinolines

LIGAND PHARMACUETICALS INCORPA21 citations88