Inventor · disambiguated record
Richard Liggins
Also filed as: GUAN DECHI · LIGGINS RICHARD · LIGGINS RICHARD T · LIGGINS RICHARD TOM
13 granted patents·65 pending applications·712 citations·filing 1999–2022
92Inventor score
Files withANGIOTECH INT AG58ANGIOTECH PHARM INC6HUNTER WILLIAM L3UNIV BRITISH COLUMBIA3CDRD VENTURES INC2
Top patents by PatentIndex Score
78 records- 0196US7166570B2Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Granted Jan 23, 2007·470 cites·9 claims
- 0295US8313760B2Compositions and methods for coating medical implantsHUNTER WILLIAM L·Filed 2008·Granted Nov 20, 2012·38 cites·8 claims
- 0395US6224794B1Methods for microsphere productionANGIOTECH PHARM INC·Filed 1999·Granted May 1, 2001·165 cites·27 claims
- 0494US8372420B2Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2009·Granted Feb 12, 2013·27 cites·27 claims
- 0577US11351124B2Sustained release of formulations of local anestheticsEUPRAXIA PHARMACEUTICALS INC·Filed 2016·Granted Jun 7, 2022·2 cites·17 claims
- 0677US11279732B2Somatostatin receptor antagonist compounds and methods of using the sameCDRD VENTURES INC·Filed 2017·Granted Mar 22, 2022·5 cites·48 claims
- 0774US9186410B2Derivatized hyperbranched polyglycerolsBURT HELEN·Filed 2011·Granted Nov 17, 2015·4 cites·42 claims
- 0871US9561278B2Derivatized hyperbranched polyglycerolsUNIV BRITISH COLUMBIA·Filed 2015·Granted Feb 7, 2017·1 cites·38 claims
- 0966US2008132564A1Micellar drug delivery vehicles and precursors thereto and uses thereofANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1065US12485097B2Sustained release of formulations of local anestheticsEUPRAXIA PHARMACEUTICALS INC·Filed 2022·Granted Dec 2, 2025·0 cites·13 claims
- 1165US2007213393A1Compositions and methods for treating inflammatory conditions utilizing protein or polysaccharide containing anti-microtubule agentsANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1265US2008241217A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2008·Application pending·0 cites
- 1364US2007270447A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1464US2008089952A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1564US2008113000A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1664US2008145514A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 1763US2013224276A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2013·Application pending·0 cites
- 1862US10525131B2Derivatized hyperbranched polyglycerolsUNIV BRITISH COLUMBIA·Filed 2018·Granted Jan 7, 2020·0 cites·70 claims
- 1960US2006127438A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2006·Application pending·0 cites
- 2060US2005187140A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2160US2014328891A1Compositions and methods for coating medical implantsANGIOTECH INT AG·Filed 2014·Application pending·0 cites
- 2260US2005178395A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2360US2005175703A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2459US2005175657A1Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2559US2006240063A9Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2659US2005208095A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2759US2005169958A1Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2859US2006240064A9Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 2958US10071160B2Derivatized hyperbranched polyglycerolsUNIV BRITISH COLUMBIA·Filed 2016·Granted Sep 11, 2018·0 cites·82 claims
- 3058US8425927B2Compositions and methods for coating medical implantsHUNTER WILLIAM L·Filed 2010·Granted Apr 23, 2013·0 cites·9 claims
- 3158US2005148512A1Medical implants and fibrosis-inducing agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3257US12486302B2Somatostatin receptor antagonist compounds and methods of using the sameCDRD VENTURES INC·Filed 2021·Granted Dec 2, 2025·0 cites·53 claims
- 3357US2003157161A1Compositions and methods for treating inflammatory conditions utilizing protein or polysaccharide containing anti-microtubule agentsANGIOTECH PHARM INC·Filed 2002·Application pending·0 cites
- 3457US2005181008A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3557US2005177225A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3657US2005149158A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3757US2005191331A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3857US2005175663A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 3957US2012052040A1Polymer compositions and methods for their useHUNTER WILLIAM L·Filed 2011·Application pending·0 cites
- 4057US2005149080A1Medical implants and anti-scarring agentsANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4156US2005182463A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4256US2005178396A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4356US2013115263A1Compositions and methods for coating medical implantsANGIOTECH PHARM INC·Filed 2012·Application pending·0 cites
- 4456US2005175665A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4556US2008146652A1Micellar drug delivery vehicles and precursors thereto and uses thereofANGIOTECH INT AG·Filed 2007·Application pending·0 cites
- 4656US2009203632A1Compositions and methods for treating contractureANGIOTECH INT AG·Filed 2008·Application pending·0 cites
- 4756US2005183731A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4856US2005196421A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 4956US2005186244A1Polymer compositions and methods for their useANGIOTECH INT AG·Filed 2004·Application pending·0 cites
- 5055US2003157170A1Micellar drug delivery vehicles and precursors thereto and uses thereofFiled 2002·Application pending·0 cites
Showing the top 50 of 78 patent records by PatentIndex Score.
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