Inventor
WONG PATRICK S L
US177 patents
Patents
50 patentsUS6929803B2Aug 16, 2005
Conversion of liquid filled gelatin capsules into controlled release systems by multiple coatings
ALZA CORP143 citations99
US6797283B1Sep 28, 2004
Gastric retention dosage form having multiple layers
ALZA CORP227 citations99
US6419952B2Jul 16, 2002
Conversion of liquid filled gelatin capsules into controlled release systems by multiple coatings
ALZA CORP129 citations99
US6096339AAug 1, 2000
Dosage form, process of making and using same
ALZA CORP191 citations99
US5869097AFeb 9, 1999
Method of therapy comprising an osmotic caplet
ALZA CORP173 citations99
US5413572AMay 9, 1995
Osmotic dosage system for liquid drug delivery
ALZA CORP226 citations99
US5391381AFeb 21, 1995
Dispenser capable of delivering plurality of drug units
ALZA CORP155 citations99
US5324280AJun 28, 1994
Osmotic dosage system for delivering a formulation comprising liquid carrier and drug
ALZA CORP202 citations99
US5200197AApr 6, 1993
Contraceptive pill
ALZA CORP139 citations99
US5082668AJan 21, 1992
Controlled-release system with constant pushing source
ALZA CORP240 citations99
US5019397AMay 28, 1991
Aqueous emulsion for pharmaceutical dosage form
ALZA CORP234 citations99
US4915949AApr 10, 1990
Dispenser with movable matrix comprising a plurality of tiny pills
ALZA CORP152 citations99
US4902514AFeb 20, 1990
Dosage form for administering nilvadipine for treating cardiovascular symptoms
ALZA CORP429 citations99
US4892778AJan 9, 1990
Juxtaposed laminated arrangement
ALZA CORP220 citations99
US4874388AOct 17, 1989
Multi-layer delivery system
ALZA CORP158 citations99
US4777049AOct 11, 1988
Constant release system with pulsed release
ALZA CORP196 citations99
US4765989AAug 23, 1988
Osmotic device for administering certain drugs
ALZA CORP479 citations99
US4612008ASep 16, 1986
Osmotic device with dual thermodynamic activity
ALZA CORP656 citations99
US4564364AJan 14, 1986
Active agent dispenser
ALZA CORP175 citations99
US6635281B2Oct 21, 2003
Gastric retaining oral liquid dosage form
ALZA CORP106 citations98
US6534089B1Mar 18, 2003
Uniform drug delivery therapy
ALZA CORP116 citations98
US6342249B1Jan 29, 2002
Controlled release liquid active agent formulation dosage forms
ALZA CORP218 citations98
US6245357B1Jun 12, 2001
Extended release dosage form
ALZA CORP477 citations98
US6174547B1Jan 16, 2001
Dosage form comprising liquid formulation
ALZA CORP191 citations98
US6120803ASep 19, 2000
Prolonged release active agent dosage form adapted for gastric retention
ALZA CORP433 citations98
US5866161AFeb 2, 1999
Hydrocodone therapy
ALZA CORP187 citations98
US5795591AAug 18, 1998
Osmotic drug delivery devices with hydrophobic wall materials
ALZA CORP222 citations98
US5770227AJun 23, 1998
Progesterone replacement therapy
ALZA CORP108 citations98
US5633011AMay 27, 1997
Progesterone replacement therapy
ALZA CORP184 citations98
US5620700AApr 15, 1997
Injectable drug delivery system and method
ALZA CORP186 citations98
US5620705AApr 15, 1997
Progestin tablet
ALZA CORP207 citations98
US5110597AMay 5, 1992
Multi-unit delivery system
ALZA CORP129 citations98
US5023088AJun 11, 1991
Multi-unit delivery system
ALZA CORP148 citations98
US4961931AOct 9, 1990
Method for the management of hyperplasia
ALZA CORP125 citations98
US6596314B2Jul 22, 2003
Controlled release liquid active agent formulation dosage forms
ALZA CORP78 citations97
US6548083B1Apr 15, 2003
Prolonged release active agent dosage form adapted for gastric retention
ALZA CORP78 citations97
US6491945B1Dec 10, 2002
Hydrocodone therapy
ALZA CORP86 citations97
US6322808B1Nov 27, 2001
Device for enhancing transdermal agent flux
ALZA CORP426 citations97
US5783205AJul 21, 1998
Injectable drug delivery system and method
ALZA CORP118 citations97
US5534263AJul 9, 1996
Active agent dosage form comprising a matrix and at least two insoluble bands
ALZA CORP98 citations97
US5190765AMar 2, 1993
Therapy delayed
ALZA CORP163 citations97
US4783337ANov 8, 1988
Osmotic system comprising plurality of members for dispensing drug
ALZA CORP556 citations97
US6773721B1Aug 10, 2004
Osmotic caplet
ALZA CORP53 citations96
US6491683B1Dec 10, 2002
Osmotic dosage form composed of an extruded polymer tube form
ALZA CORP66 citations96
US6333050B2Dec 25, 2001
Oral delivery of discrete units
ALZA CORP80 citations96
US5938654AAug 17, 1999
Osmotic device for delayed delivery of agent
ALZA CORP86 citations96
US5830501ANov 3, 1998
Dosage form comprising hydrophilic polymer
ALZA CORP87 citations96
US5785994AJul 28, 1998
Method for administering drug to gastrointestinal tract
ALZA CORP60 citations96
US5780058AJul 14, 1998
Oral delivery of discrete units
ALZA CORP61 citations96
US5660861AAug 26, 1997
Effective therapy for epilepsies
ALZA CORP97 citations96
Showing the top 50 of 177 patents by PatentIndex Score.