Apparatus and method for lining landfills, reservoirs, hazardous waste disposal sites and the like
US5139853A · kind A · utility
25Cited by
2References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1991 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Apr 23, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An improved method and a product for waterproofing soil utilizing a flexible plastic sheet for providing a water barrier and for providing a means of reflecting light sufficient to prevent damage to the sheet and the underlying soil from direct sunlight comprising a uniform density or multiple-density plastic sheet material which has been manufactured to a desired thickness to contain an upper surface cpable of reflecting light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.