Intravaginal ring comprising polyurethane composition for drug delivery
US-9603932-B2 · Mar 28, 2017 · US
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Chalasani Durgaprasad patents
Chalasani Durgaprasad is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chalasani Durgaprasad |
| Total patents | 4 |
| First publication | Jul 21, 2015 |
| Latest publication | Mar 28, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Intravaginal ring comprising polyurethane composition for drug delivery
US-9393311-B2 · Jul 19, 2016 · US
Intravaginal drug delivery device comprising a polyurethane copolymer
US-2016120800-A1 · May 5, 2016 · US
Silicone-containing monomer
US-9086527-B2 · Jul 21, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Dsm Ip Assets Bv | 5 |
| Ward Robert S | 1 |
| Wang Shanger | 1 |
| Li Li | 1 |
| Chalasani Durgaprasad | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K31/341 | 3 |
| A61K47/34 | 3 |
| C08G18/73 | 3 |
| A61K31/675 | 3 |
| A61K9/0036 | 3 |