Fluorescent marking gel compositions and methods of use
US9810630B1 · kind B1 · utility
3Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2014 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Apr 20, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/6497
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Fluorescing compositions are disclosed for monitoring cleaning of a surface. The fluorescing compositions are stable, fluoresce under UV light, and do not leave a mark after drying and removal. The compositions include an optical brightener solubilized with cyclodextrin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.