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Inventor

RENCHER WILLIAM F

US8 patents
⚠️ This page may combine multiple inventors who share the name “RENCHER WILLIAM F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHERING PLOUGH HEALTHCARE

3 patents
US5897858AApr 27, 1999

Nasal spray compositions exhibiting increased retention in the nasal cavity

SCHERING PLOUGH HEALTHCARE67 citations95
US6649175B1Nov 18, 2003

Skin barrier composition

SCHERING PLOUGH HEALTHCARE14 citations83
US6824762B2Nov 30, 2004

Nasal spray compositions

SCHERING PLOUGH HEALTHCARE7 citations72

MCNEIL PPC INC

2 patents
US5314915AMay 24, 1994

Bioadhesive pharmaceutical carrier

MCNEIL PPC INC142 citations97
US5192802AMar 9, 1993

Bioadhesive pharmaceutical carrier

MCNEIL PPC INC215 citations97

MCNELL PPC INC

1 patent
US5462749AOct 31, 1995

Bioadhesive pharmaceutical carrier

MCNELL PPC INC165 citations95

(unassigned)

1 patent
US5451409ASep 19, 1995

Sustained release matrix system using hydroxyethyl cellulose and hydroxypropyl cellulose polymer blends

159 citations93

SCHERING CORP

1 patent
US6316483B1Nov 13, 2001

Oxymetazoline HCI and/or chlorpheniramine maleate nasal spray compositions

SCHERING CORP17 citations91