Inventor
LEE PING I
CA15 patents
⚠️ This page may combine multiple inventors who share the name “LEE PING I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
6 patentsUS4624848ANov 25, 1986
Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
CIBA GEIGY CORP207 citations98
US4619793AOct 28, 1986
Method of producing annealed polyvinyl alcohol contact lens
CIBA GEIGY CORP791 citations98
US4729190AMar 8, 1988
Membrane-forming polymeric systems
CIBA GEIGY CORP71 citations96
US4559186ADec 17, 1985
Production of borate crosslinked polyvinyl alcohol contact lenses
CIBA GEIGY CORP37 citations92
US4749576AJun 7, 1988
Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
CIBA GEIGY CORP23 citations82
US5174929ADec 29, 1992
Preparation of stable polyvinyl alcohol hydrogel contact lens
CIBA GEIGY CORP6 citations60
SCHERING CORP
4 patentsUS5972381AOct 26, 1999
Solid solution of an antifungal agent with enhanced bioavailability
SCHERING CORP60 citations95
US5846971ADec 8, 1998
Oral antifungal composition
SCHERING CORP63 citations95
US5834472ANov 10, 1998
Antifungal composition with enhanced bioavailability
SCHERING CORP67 citations95
US6632455B2Oct 14, 2003
Molecular dispersion composition with enhanced bioavailability
SCHERING CORP25 citations87
AIRWICK IND
3 patentsUS4289815ASep 15, 1981
Cold water-insoluble polyvinyl alcohol pouch for the controlled release of active ingredients
AIRWICK IND83 citations96
US4340491AJul 20, 1982
Cold water-insoluble polyvinyl alcohol pouch for the controlled release of active ingredients
AIRWICK IND21 citations82
US4248380AFeb 3, 1981
Aqueous-based air treating systems
AIRWICK IND14 citations73