Kwen-Jen Chang

Person

Chapel Hill, NC, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of treating Parkinson's Disease with a diarylmethylpiperazin...
- Patent number 10,071,093
- Issue date Sep 11, 2018
- Versi Group, LLC
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of treating Parkinson's disease with a diarylmethylpiperazin...
- Patent number 9,701,645
- Issue date Jul 11, 2017
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Delta opioid receptor agonist compounds
- Patent number 9,296,707
- Issue date Mar 29, 2016
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Delta opioid receptor agonist compounds
- Patent number 8,865,721
- Issue date Oct 21, 2014
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of treating Parkinson's Disease with diarylmethylpiperazine...
- Patent number 8,642,599
- Issue date Feb 4, 2014
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of treating sexual dysfunctions with delta opioid receptor a...
- Patent number 8,575,169
- Issue date Nov 5, 2013
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Delta opioid receptor agonist compounds
- Patent number 8,551,998
- Issue date Oct 8, 2013
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions and methods for combating lower urinary tract dysfunct...
- Patent number 8,476,280
- Issue date Jul 2, 2013
- Versi Group, LLC
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions of novel opioid compounds and method of use thereof
- Patent number 7,683,168
- Issue date Mar 23, 2010
- Mount Cook Bio Sciences, Inc.
- Shyi-Tai Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cardioprotective delta opioid receptor agonists and methods of usin...
- Patent number 7,314,880
- Issue date Jan 1, 2008
- Mount Cook Biosciences, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Enantiomerically pure opioid diarylmethylpiperazine as a cardioprot...
- Patent number 7,189,725
- Issue date Mar 13, 2007
- Mount Cook Biosciences, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of treating depression with delta receptor agonist compounds
- Patent number 7,030,124
- Issue date Apr 18, 2006
- Ardent Pharmaceuticals, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Enantiomerically pure opioid diarylmethylpiperzine and methods of u...
- Patent number 6,924,288
- Issue date Aug 2, 2005
- Ardent Pharmaceuticals, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions and methods for reducing respiratory depression and at...
- Patent number 6,919,350
- Issue date Jul 19, 2005
- Ardent Pharmaceuticals, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods for reducing respiratory depression and attendant side effe...
- Patent number 6,300,332
- Issue date Oct 9, 2001
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions and methods for reducing respiratory depression and at...
- Patent number 5,985,880
- Issue date Nov 16, 1999
- Delta Pharmaceuticals
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Opioid diarylmethylpiperazines and piperidines
- Patent number 5,854,249
- Issue date Dec 29, 1998
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compositions and methods for reducing respiratory depression
- Patent number 5,807,858
- Issue date Sep 15, 1998
- Delta Pharmaceutical, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Opioid compounds
- Patent number 5,681,830
- Issue date Oct 28, 1997
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Opioid diarylmethylpiperazines and piperdines
- Patent number 5,658,908
- Issue date Aug 19, 1997
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Opioid compounds and methods for making therefor
- Patent number 5,574,159
- Issue date Nov 12, 1996
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Opioid compounds and methods for using same
- Patent number 5,552,404
- Issue date Sep 3, 1996
- Delta Pharmaceuticals, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Assay method and compounds
- Patent number 4,263,255
- Issue date Apr 21, 1981
- Burroughs Wellcome Co.
- Richard J. Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Assay method and compounds
- Patent number 4,257,773
- Issue date Mar 24, 1981
- Burroughs Wellcome Co.
- Richard J. Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Assay method and compounds
- Patent number 4,231,923
- Issue date Nov 4, 1980
- Burroughs Wellcome Co.
- Richard J. Miller
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF TREATING PARKINSON'S DISEASE WITH A DIARYLMETHYLPIPERAZIN...
- Publication number 20170290823
- Publication date Oct 12, 2017
- VERSI GROUP, LLC
- KWEN-JEN CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DELTA OPIOID RECEPTOR AGONIST COMPOUNDS
- Publication number 20160200689
- Publication date Jul 14, 2016
- VERSI GROUP, LLC
- KWEN-JEN CHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DELTA OPIOID RECEPTOR AGONIST COMPOUNDS
- Publication number 20150018372
- Publication date Jan 15, 2015
- VERSI GROUP, LLC
- KWEN-JEN CHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF TREATING PARKINSON'S DISEASE WITH A DIARYLMETHYLPIPERAZIN...
- Publication number 20140315922
- Publication date Oct 23, 2014
- VERSI GROUP, LLC
- KWEN-JEN CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DELTA OPIOID RECEPTOR AGONIST COMPOUNDS
- Publication number 20140031367
- Publication date Jan 30, 2014
- VERSI GROUP, LLC
- KWEN-JEN CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method of treating sexual dysfunctions with delta opioid receptor a...
- Publication number 20130053326
- Publication date Feb 28, 2013
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
DELTA OPIOID RECEPTOR AGONIST COMPOUNDS
- Publication number 20120220601
- Publication date Aug 30, 2012
- KWEN-JEN CHANG
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COMPOSITIONS AND METHODS FOR REDUCING RESPIRATORY DEPRESSION AND AT...
- Publication number 20080193383
- Publication date Aug 14, 2008
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
CARDIOPROTECTIVE DELTA OPIOID RECEPTOR AGONISTS AND METHODS OF USIN...
- Publication number 20080125443
- Publication date May 29, 2008
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ENANTIOMERICALLY PURE OPIOID DIARYLMETHYLPIPERAZINE
- Publication number 20070197786
- Publication date Aug 23, 2007
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
DELTA OPIOID RECEPTOR AGONIST COMPOUNDS
- Publication number 20070173515
- Publication date Jul 26, 2007
- MOUNT COOK BIOSCIENCES, INC.
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF TREATING PARKINSON'S DISEASE WITH DIARYLMETHYLPIPERAZINE...
- Publication number 20070066625
- Publication date Mar 22, 2007
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Compositions of novel opioid compounds and method of use thereof
- Publication number 20070043028
- Publication date Feb 22, 2007
- Shyi-Tai Jan
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Enantiomerically pure opioid diarylmethylpiperazine as a cardioprot...
- Publication number 20060004016
- Publication date Jan 5, 2006
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Compositions and methods for reducing respiratory depression and at...
- Publication number 20050255151
- Publication date Nov 17, 2005
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Cardioprotective delta opioid receptor agonists and methods of usin...
- Publication number 20040171622
- Publication date Sep 2, 2004
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Compositions and methods for combating lower urinary tract dysfunct...
- Publication number 20040002503
- Publication date Jan 1, 2004
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method of treating sexual dysfunctions with delta opioid receptor a...
- Publication number 20030186872
- Publication date Oct 2, 2003
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Method of treating depression with delta receptor agonist compounds
- Publication number 20030144299
- Publication date Jul 31, 2003
- Kwen-Jen Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Enantiomerically pure opioid diarylmethylpiperzine and methods of u...
- Publication number 20030114462
- Publication date Jun 19, 2003
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Compositions and Methods for Reducing Respiratory Depression and At...
- Publication number 20020111359
- Publication date Aug 15, 2002
- Ardent Pharmaceuticals, Inc.
- Kwen-Jen Chang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Diarylmethylbenzylpiperazines and corresponding halobenzyl derivatives
- Publication number 20020052007
- Publication date May 2, 2002
- Kwen Jen Chang
- C07 - ORGANIC CHEMISTRY

Kwen-Jen Chang

Person

Patents Grantslast 30 patents

Method of treating Parkinson's Disease with a diarylmethylpiperazin...

Method of treating Parkinson's disease with a diarylmethylpiperazin...

Delta opioid receptor agonist compounds

Delta opioid receptor agonist compounds

Method of treating Parkinson's Disease with diarylmethylpiperazine...

Method of treating sexual dysfunctions with delta opioid receptor a...

Delta opioid receptor agonist compounds

Compositions and methods for combating lower urinary tract dysfunct...

Compositions of novel opioid compounds and method of use thereof

Cardioprotective delta opioid receptor agonists and methods of usin...

Enantiomerically pure opioid diarylmethylpiperazine as a cardioprot...

Method of treating depression with delta receptor agonist compounds

Enantiomerically pure opioid diarylmethylpiperzine and methods of u...

Compositions and methods for reducing respiratory depression and at...

Methods for reducing respiratory depression and attendant side effe...

Compositions and methods for reducing respiratory depression and at...

Opioid diarylmethylpiperazines and piperidines

Compositions and methods for reducing respiratory depression

Opioid compounds

Opioid diarylmethylpiperazines and piperdines

Opioid compounds and methods for making therefor

Opioid compounds and methods for using same

Assay method and compounds

Assay method and compounds

Assay method and compounds

Patents Applicationslast 30 patents

METHOD OF TREATING PARKINSON'S DISEASE WITH A DIARYLMETHYLPIPERAZIN...

DELTA OPIOID RECEPTOR AGONIST COMPOUNDS

DELTA OPIOID RECEPTOR AGONIST COMPOUNDS

METHOD OF TREATING PARKINSON'S DISEASE WITH A DIARYLMETHYLPIPERAZIN...

DELTA OPIOID RECEPTOR AGONIST COMPOUNDS

Method of treating sexual dysfunctions with delta opioid receptor a...

DELTA OPIOID RECEPTOR AGONIST COMPOUNDS

COMPOSITIONS AND METHODS FOR REDUCING RESPIRATORY DEPRESSION AND AT...

CARDIOPROTECTIVE DELTA OPIOID RECEPTOR AGONISTS AND METHODS OF USIN...

ENANTIOMERICALLY PURE OPIOID DIARYLMETHYLPIPERAZINE

DELTA OPIOID RECEPTOR AGONIST COMPOUNDS

METHOD OF TREATING PARKINSON'S DISEASE WITH DIARYLMETHYLPIPERAZINE...

Compositions of novel opioid compounds and method of use thereof

Enantiomerically pure opioid diarylmethylpiperazine as a cardioprot...

Compositions and methods for reducing respiratory depression and at...

Cardioprotective delta opioid receptor agonists and methods of usin...

Compositions and methods for combating lower urinary tract dysfunct...

Method of treating sexual dysfunctions with delta opioid receptor a...

Method of treating depression with delta receptor agonist compounds

Enantiomerically pure opioid diarylmethylpiperzine and methods of u...

Compositions and Methods for Reducing Respiratory Depression and At...

Diarylmethylbenzylpiperazines and corresponding halobenzyl derivatives