Patents
US 11723856 B2: Use of UV resistant active materials on hair
- Granted
- 2023-08-15
- Filed
- 2020-10-27 application 17081445
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Polymers comprising at least one cationic functional group and at least one ultraviolet light-absorbing compound are disclosed herein. The polymers exhibit ultraviolet light-absorbing properties and may be used in sunscreen compositions for skin and/or hair.
Source: PVGPATDIS, file of 2026-04-10 (ipg230815.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| COAST SOUTHWEST INC. 4 patents | US company or organization | Placentia, CA | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Amit Patel | Placentia, CA | 36 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K8/898 | PVGPATDIS, file of 2026-04-10 |
| A61Q | Specific use of cosmetics or similar toiletry preparations | A61Q17/04 | PVGPATDIS, file of 2026-04-10 |
| C08G | Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds | C08G65/00 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2020-10-27 | Assignment Assignment of assignor's interest | PATEL, AMIT signed 2017-08-28 | COAST SOUTHWEST INC. PLACENTIA, CA | 54232/706 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.