Liquid applicator for coloring a liquid
US6729786B1 · kind B1 · utility
60Cited by
25References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2003 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Mar 14, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D2200/1018
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Applicators and a method of coloring a liquid. More specifically, the present invention relates to a liquid applicator having a flexible hollow body within which a liquid-filled, glass ampoule is received. The liquid applicator also has porous element containing colorant positioned such that when the ampoule is fractured, the liquid flows through the porous element containing colorant. Colorant is transferred to the liquid as it flows through the porous element. The resulting colored solution may be applied to the desired surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.