Inventor
William F. Rencher
Inventor
Cordova, TN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes69%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%
A61QSpecific use of cosmetics or similar toiletry preparations8%
PatentTitleYear
6,824,762'Nasal spray compositions'20046,649,175'Skin barrier composition'20036,316,483'Oxymetazoline HCI and/or chlorpheniramine maleate nasal spray compositions'20015,897,858'Nasal spray compositions exhibiting increased retention in the nasal cavity'19995,854,269'Nasal spray compositions'19985,462,749'Bioadhesive pharmaceutical carrier'19955,451,409'Sustained release matrix system using hydroxyethyl cellulose and hydroxypropyl cellulose polymer blends'19955,314,915'Bioadhesive pharmaceutical carrier'19945,192,802'Bioadhesive pharmaceutical carrier'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1994Patents assigned to MCNEIL PPC INC (2)· patent assignee history
1993–1995Based in Devon, PA, US· patent location history
1995Patents assigned to MCNELL PPC INC (1)· patent assignee history
1995Based in Cardova, TN, US· patent location history
1998–2004Patents assigned to SCHERING PLOUGH HEALTHCARE (4)· patent assignee history
1998–2004Based in Cordova, TN, US· patent location history
2001Patents assigned to SCHERING CORP (1)· patent assignee history
2003Based in Ashburn, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHERING PLOUGH HEALTHCARE | 4 | 1998–2004 |
| MCNEIL PPC INC | 2 | 1993–1994 |
| MCNELL PPC INC | 1 | 1995 |
| SCHERING CORP | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cordova, TN, US | 4 | 1998–2004 |
| Devon, Pennsylvania, US | 3 | 1993–1995 |
| Ashburn, Virginia, US | 1 | 2003 |
| Cardova, TN, US | 1 | 1995 |