Phosphorescent and fluorescent marking composition
US5498280A · kind A · utility
89Cited by
48References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Nov 14, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/565
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphorescent and fluorescent marking composition, e.g., a crayon, comprising both high and low molecular weight polyethylene glycols in combination with phosphorescent and fluorescent pigments. The composition advantageously preferably further includes at least one filler, which preferably includes a water-miscible filler, a water-soluble surfactant, and a plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.