Method for filling land areas with a material comprising soil and spent lime
US5199822A · kind A · utility
0Cited by
13References
8Claims
0Family size
Inventor
Key dates
| Filing date | Jan 22, 1992 |
| Grant date | Apr 6, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composite fill material (22) comprising soil (18) and spent lime (14) and a method for filling depressed land areas (24) therewith. The method for filling land areas (24) includes generating spent lime (14) by adding lime to water (12) in order to precipitate out minerals causing water hardness. The generated spent lime (14) is mixed with soil (18) to form a composite fill material (22) which is subsequently utilized to fill depressed land areas (24) thus creating a solid soil base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.