Non-sweating lipsticks
US5843407A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1996 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | Apr 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/05
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to lipstick compositions which comprise wax, emollient and a gelling agent wherein the inclusion of the gelling agent facilitates the retention of emollient oils particularly under high humidity and temperatures. Lipsticks of the present invention contain moisturizers which may be delivered to the lips in a non-polar/lipophilic medium in a thermodynamically stable way by using associated structures. A method of making the lipstick is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.