Patents
US 8821846 B2: Method for lengthening keratin fibers
- Granted
- 2014-09-02
- Filed
- 2006-12-06 application 11634658
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
There is a method for lengthening keratin fibers. The method has the steps of a) applying to the keratin fibers a composition having a solvent and one or more polymers soluble or solubilizable in the solvent b) allowing the solvent to evaporate. The composition is applied in an amount sufficient to lengthen the keratin fibers. There are also other methods for lengthening keratin fibers. There is also a mascara composition.
Source: PVGPATDIS, file of 2026-04-10 (ipg140902.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Avon Products, Inc. 175 patents | US company or organization | New York, NY | AVON PRODUCTS INC SEC filer EXACT medium confidence: identical full name, one of each nationally | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Thi N. Do | West Orange, NJ | 13 | PVGPATDIS, file of 2026-04-10 | |
| Christian J. Lee | Parsippany, NJ | 1 | PVGPATDIS, file of 2026-04-10 | |
| William E. McNamara | Chester, NY | 9 | PVGPATDIS, file of 2026-04-10 | |
| Cliff A. Milow | Massapequa, NY | 1 | PVGPATDIS, file of 2026-04-10 | |
| Tao Zheng | New City, NY | 45 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A61K | Preparations for medical, dental or toiletry purposes | A61K8/8194 | PVGPATDIS, file of 2026-04-10 |
| A61Q | Specific use of cosmetics or similar toiletry preparations | A61Q1/10 | 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 |
|---|---|---|---|---|---|
| 2019-11-14 | Security interest Security interest Security interest | AVON PRODUCTS, INC. signed 2019-02-12 | CITIBANK, N.A., LONDON BRANCH NEW YORK, NY | 51032/210 | PASDL, file of 2026-10-15 |
| 2016-08-15 | Release of security interest Release of security interest in patents | CITIBANK, N.A. signed 2016-08-15 | AVON PRODUCTS, INC. NEW YORK, NY | 39690/331 | PASDL, file of 2026-10-15 |
| 2015-06-12 | Security interest Security interest Security interest | AVON PRODUCTS, INC. signed 2015-06-05 | CITIBANK, N.A. GETZVILLE, NY | 35899/776 | PASDL, file of 2026-10-15 |
| 2007-04-02 | Assignment Assignment of assignor's interest | NGUYEN DO, THI signed 2007-03-06 ZHENG, TAO signed 2007-03-06 LEE, CHRISTIAN signed 2007-03-07 MCNAMARA, WILLIAM E. signed 2007-03-07 MILOW, CLIFFORD A. signed 2007-03-07 | AVON PRODUCTS, INC. NEW YORK, NY | 19152/276 | 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.