Patents
US 8980293 B2: Cosmetic composition containing retinol stabilized by porous polymer beads and nanoemulsion
- Granted
- 2015-03-17
- Filed
- 2011-04-28 application 13805117
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a method for stabilizing retinol (Vitamin A), an unstable fat-soluble material, to use the same in cosmetics. The present invention provides an anti-inflammatory and skin wrinkle reducing cosmetic composition containing retinol stabilized by nano-emulsification, wherein a retinol polymer nanocapsule formed by capturing retinol with porous polymer particles is nano-emulsified by a mung bean MCT (medium chain triglyceride) extract and lecithin for stabilizing retinol.
Source: PVGPATDIS, file of 2026-04-10 (ipg150317.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| ACT CORPORATION 25 patents | Foreign company or organization | Sosu-myeon, KR | ACT, INC. Federal lobbying client FUZZY medium confidence: same name (legal endings aside) and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Sang-Ho Jeong | Seojong-myeon, KR | 1 | PVGPATDIS, file of 2026-04-10 | |
| Ji Hyun SON | Seoul, KR | 5 | PVGPATDIS, file of 2026-04-10 | |
| Su-Jin Jang | Seojong-myeon, KR | 1 | PVGPATDIS, file of 2026-04-10 | |
| Yun-Jeong Kim | Nae-myeon, KR | 16 | PVGPATDIS, file of 2026-04-10 | |
| Jong-Woo Cheon | Seojong-myeon, KR | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K8/0279 | PVGPATDIS, file of 2026-04-10 |
| A61P | Specific therapeutic activity of chemical compounds or medicinal preparations | A61P17/10 | PVGPATDIS, file of 2026-04-10 |
| A61Q | Specific use of cosmetics or similar toiletry preparations | A61Q19/08 | 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 |
|---|---|---|---|---|---|
| 2012-12-18 | Assignment Assignment of assignor's interest | CHEON, JONG-WOO signed 2012-12-05 JANG, SU-JIN signed 2012-12-05 JEONG, SANG-HO signed 2012-12-05 KIM, YUN-JEONG signed 2012-12-05 SON, JI-HYUN signed 2012-12-05 | ACT CO., LTD. CHUNGCHEONGBUK-DO | 29492/906 | 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.