Method and composition for chip sealing a roadway
US5153026A · kind A · utility
10Cited by
4References
12Claims
0Family size
Inventors
Key dates
| Filing date | Aug 5, 1991 |
| Grant date | Oct 6, 1992 |
| Priority date | — |
| Expiry date | Aug 5, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C7/18
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and composition for chip sealing a roadway utilizing a coating containing a parent binding material. Stone chips are then spread onto the parent binding material to form a composite having an upper surface. A liquid composition is then applied over the upper surface of the composite. The liquid composition includes an emulsion of liquid asphalt, a lignosulfonic acid salt, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.