Roadbed stabilization
US6689204B2 · kind B2 · utility
6Cited by
12References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Jul 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Roadbed material is stabilized by the addition of a small amount of potassium formate, preferably together with a water-soluble polymer which is preferably a cationic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.