Inventor
Sandra Joan Kempske
Inventor
Baltimore, MD, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes50%
A61QSpecific use of cosmetics or similar toiletry preparations50%
PatentTitleYear
6,896,876'High cleaning silica gel dental abrasive, dentifrices prepared therefrom, and a method for preparing the dental abrasive'20056,585,960'Abrasive silica compositions and dentifrice compositions prepared therefrom'20036,440,397'Abrasive silica compositions and dentifrice compositions prepared therefrom'20026,294,155'Abrasive silica compositions and dentifrice compositions prepared therefrom'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2005Patents assigned to GRACE W R & CO (4)· patent assignee history
2001–2003Based in Baltimore, MD, US· patent location history
2005Based in Towson, MD, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GRACE W R & CO | 4 | 2001–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Baltimore, Maryland, US | 3 | 2001–2003 |
| Towson, Maryland, US | 1 | 2005 |