Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same
US6365262B1 · kind B1 · utility
28Cited by
91References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1998 |
| Grant date | Apr 2, 2002 |
| Priority date | — |
| Expiry date | Oct 20, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/252
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The articles of the present invention comprise pavement marking articles which are retroreflective under dry and/or wet conditions. The articles comprise a monolayer of exposed-lens optical elements, a spacing layer, and a reflective layer. The present invention also provides a method of making said pavement marking articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.