Inventor
Wolfgang A. Ritschel
Inventor
Cincinnati, OH, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes35%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations30%
A61FFilters implantable into blood vessels25%
A61LMethods or apparatus for sterilising materials or objects in general5%
A61MDevices for introducing media into, or onto, the body5%
PatentTitleYear
7,744,916'Coated vaginal device for delivery of anti-migraine and anti-nausea drugs'20107,341,737'Medicated tampon'20086,982,091'Vaginal delivery of chemotherapeutic agents and inhibitors of membrane efflux systems for cancer therapy'20066,572,874'Vaginal delivery of bisphosphonates'20036,365,185'Self-destructing, controlled release peroral drug delivery system'20026,197,327'Device and method for treatment of dysmenorrhea'20016,086,909'Device and method for treatment of dysmenorrhea'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2010Patents assigned to UMD INC (5)· patent assignee history
2000–2010Based in Cincinnati, OH, US· patent location history
2002Patents assigned to UNIV CINCINNATI (1)· patent assignee history
2008Patents assigned to KIMBERLY CLARK CO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UMD INC | 5 | 2000–2010 |
| KIMBERLY CLARK CO | 1 | 2008 |
| UNIV CINCINNATI | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 7 | 2000–2010 |