Derivatives of PPD useful for coloring hair and skin
US-11129782-B2 · Sep 28, 2021 · US
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Sinha Arup patents
Sinha Arup is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Sinha Arup |
| Total patents | 2 |
| First publication | Dec 17, 2020 |
| Latest publication | Sep 28, 2021 |
Notable patents
Publications ranked by popularity score, then publication date.
Derivatives of ppd useful for coloring hair and skin
US-2020390670-A1 · Dec 17, 2020 · US
Recent patents
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nat Univ Singapore | 2 |
| Agency Science Tech & Res | 2 |
| Nat Univ Hospital Singapore Pte Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K2800/884 | 2 |
| C09B53/02 | 2 |
| A61K8/411 | 2 |
| A61Q5/065 | 2 |
| A61Q5/10 | 2 |