System and method for controlling water flow through ground with a geotextile comprising water absorbing material
US5980996A · kind A · utility
6Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Apr 6, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C25/285
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A water absorptive material comprising a fibrous substrate impregnated with a water absorptive, water insoluble polymer, wherein the polymer is intertwined and interlocked with fibers of the fibrous substrate, and the use of such water absorptive material to form a water control zone to prevent water egress from the water control zone into adjacent ground or water ingress into the water control zone from adjacent ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.