Inventor
ZENTNER GAYLEN M
US31 patents
⚠️ This page may combine multiple inventors who share the name “ZENTNER GAYLEN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK & CO INC
16 patentsUS5120548AJun 9, 1992
Swelling modulated polymeric drug delivery device
MERCK & CO INC1,747 citations98
US4968507ANov 6, 1990
Controlled porosity osmotic pump
MERCK & CO INC174 citations98
US4851228AJul 25, 1989
Multiparticulate controlled porosity osmotic
MERCK & CO INC330 citations98
US4795644AJan 3, 1989
Device for pH independent release of drugs through the Donnan-like influence of charged insoluble resins
MERCK & CO INC129 citations98
US4814183AMar 21, 1989
Device for the controlled release of drugs with Donnan-like modulation by charged insoluble resins
MERCK & CO INC106 citations96
US5350584ASep 27, 1994
Spheronization process using charged resins
MERCK & CO INC72 citations95
US5256440AOct 26, 1993
Process for producing a tablet core aperture
MERCK & CO INC71 citations95
US4994273AFeb 19, 1991
Solubility modulated drug delivery device
MERCK & CO INC84 citations95
US4946686AAug 7, 1990
Solubility modulated drug delivery system
MERCK & CO INC61 citations95
US4780319AOct 25, 1988
Organic acids as catalysts for the erosion of polymers
MERCK & CO INC56 citations93
US5047464ASep 10, 1991
Bioerodible thermoset elastomers
MERCK & CO INC33 citations92
US4976967ADec 11, 1990
Resin modulated drug delivery device for the delivery of HMG-CoA reductase inhibitor salts
MERCK & CO INC26 citations92
US5837228ANov 17, 1998
Bioerodible implants
MERCK & CO INC47 citations91
US5126146AJun 30, 1992
Cellulosic coating
MERCK & CO INC19 citations75
US5254345AOct 19, 1993
Poly(orthocarbonate acetal) bioerodible polymers
MERCK & CO INC14 citations73
US5217712AJun 8, 1993
Bioerodible thermoset elastomers
MERCK & CO INC13 citations73
MACROMED INC
8 patentsUS6287588B1Sep 11, 2001
Agent delivering system comprised of microparticle and biodegradable gel with an improved releasing profile and methods of use thereof
MACROMED INC413 citations99
US6004573ADec 21, 1999
Biodegradable low molecular weight triblock poly(lactide-co-glycolide) polyethylene glycol copolymers having reverse thermal gelation properties
MACROMED INC582 citations98
US6201072B1Mar 13, 2001
Biodegradable low molecular weight triblock poly(lactide-co- glycolide) polyethylene glycol copolymers having reverse thermal gelation properties
MACROMED INC515 citations97
US6117949ASep 12, 2000
Biodegradable low molecular weight triblock poly (lactide-co-glycolide) polyethylene glycol copolymers having reverse thermal gelation properties
MACROMED INC275 citations96
US6592899B2Jul 15, 2003
PLA/PLGA oligomers combined with block copolymers for enhancing solubility of a drug in water
MACROMED INC93 citations95
US7182957B2Feb 27, 2007
Polymer blends that swell in an acidic environment and deswell in a basic environment
MACROMED INC22 citations91
US6537584B1Mar 25, 2003
Polymer blends that swell in an acidic environment and deswell in a basic environment
MACROMED INC45 citations91
US6730327B2May 4, 2004
Polymer blends that swell in an acidic environment and deswell in a basic environment
MACROMED INC7 citations72