Inventor
CHANG KWEN-JEN
US25 patents
⚠️ This page may combine multiple inventors who share the name “CHANG KWEN-JEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DELTA PHARMACEUTICALS INC
8 patentsUS5574159ANov 12, 1996
Opioid compounds and methods for making therefor
DELTA PHARMACEUTICALS INC113 citations95
US5681830AOct 28, 1997
Opioid compounds
DELTA PHARMACEUTICALS INC65 citations94
US5854249ADec 29, 1998
Opioid diarylmethylpiperazines and piperidines
DELTA PHARMACEUTICALS INC74 citations92
US5658908AAug 19, 1997
Opioid diarylmethylpiperazines and piperdines
DELTA PHARMACEUTICALS INC84 citations92
US6300332B1Oct 9, 2001
Methods for reducing respiratory depression and attendant side effects of mu opioid compounds
DELTA PHARMACEUTICALS INC23 citations90
US5985880ANov 16, 1999
Compositions and methods for reducing respiratory depression and attendant side effects of mu opioid compounds
DELTA PHARMACEUTICALS INC39 citations90
US5807858ASep 15, 1998
Compositions and methods for reducing respiratory depression
DELTA PHARMACEUTICALS INC54 citations90
US5552404ASep 3, 1996
Opioid compounds and methods for using same
DELTA PHARMACEUTICALS INC36 citations90
CHANG KWEN-JEN
5 patentsUS9701645B2Jul 11, 2017
Method of treating Parkinson's disease with a diarylmethylpiperazine compounds exhibiting delta opioid receptor agonist activity
CHANG KWEN-JEN2 citations69
US8642599B2Feb 4, 2014
Method of treating Parkinson's Disease with diarylmethylpiperazine compounds exhibiting delta receptor agonist activity
CHANG KWEN-JEN2 citations59
US8575169B2Nov 5, 2013
Method of treating sexual dysfunctions with delta opioid receptor agonist compounds
CHANG KWEN-JEN0 citations48
US8476280B2Jul 2, 2013
Compositions and methods for combating lower urinary tract dysfunctions with delta opioid receptor agonists
CHANG KWEN-JEN0 citations48
US8551998B2Oct 8, 2013
Delta opioid receptor agonist compounds
CHANG KWEN-JEN0 citations46
ARDENT PHARMACEUTICALS INC
3 patentsUS7030124B2Apr 18, 2006
Method of treating depression with delta receptor agonist compounds
ARDENT PHARMACEUTICALS INC21 citations89
US6924288B2Aug 2, 2005
Enantiomerically pure opioid diarylmethylpiperzine and methods of using same
ARDENT PHARMACEUTICALS INC11 citations72
US6919350B2Jul 19, 2005
Compositions and methods for reducing respiratory depression and attendant side effects of mu opioid compounds
ARDENT PHARMACEUTICALS INC9 citations71
BURROUGHS WELLCOME CO
3 patentsVERSI GROUP LLC
3 patentsUS9296707B2Mar 29, 2016
Delta opioid receptor agonist compounds
VERSI GROUP LLC1 citations57
US10071093B2Sep 11, 2018
Method of treating Parkinson's Disease with a diarylmethylpiperazine compounds exhibiting delta opioid receptor agonist activity
VERSI GROUP LLC0 citations48
US8865721B2Oct 21, 2014
Delta opioid receptor agonist compounds
VERSI GROUP LLC0 citations45