Inventor
EDGREN DAVID
11 patents
⚠️ This page may combine multiple inventors who share the name “EDGREN DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALZA CORP
9 patentsUS4917895AApr 17, 1990
Transdermal drug delivery device
ALZA CORP179 citations98
US4519801AMay 28, 1985
Osmotic device with wall comprising cellulose ether and permeability enhancer
ALZA CORP240 citations98
US4326525AApr 27, 1982
Osmotic device that improves delivery properties of agent in situ
ALZA CORP606 citations98
US4503030AMar 5, 1985
Device for delivering drug to certain pH environments
ALZA CORP62 citations96
US4553973ANov 19, 1985
Process for preparing osmotic device
ALZA CORP82 citations95
US4522625AJun 11, 1985
Drug dispenser comprising wall formed of semipermeable member and enteric member
ALZA CORP106 citations95
US4587117AMay 6, 1986
Medical device for delivering drug to pH environments greater than 3.5
ALZA CORP47 citations92
US4484921ANov 27, 1984
Theophylline therapy utilizing osmotic delivery
ALZA CORP17 citations73
US4439195AMar 27, 1984
Theophylline therapy
ALZA CORP11 citations73