| Patent Number |
Title Of Patent |
Date Issued |
| 6235533 |
Method of determining the composition of clay deposit |
May 22, 2001 |
| A method of determining a quantity of amorphous SiC.sub.2 -containing impurities in a montmorillonite clay sample comprising the steps of:(a) analyzing the clay sample to determine the weight percent of SiO.sub.2 contained in the clay sample;(b) analyzing the clay sample for non-montmorillon |
| 6050509 |
Method of manufacturing polymer-grade clay for use in nanocomposites |
April 18, 2000 |
| A clay purification process, for removing impurities recovered with the clay, particularly a montmorillonite clay, includes the steps of separating the clay from rocks and other large non-clay impurities; dispersing the clay and smaller impurities in water, preferably at a concentrat |
| 5900085 |
Method of manufacturing a geosynthetic clay liner |
May 4, 1999 |
| An improved method of manufacturing geosynthetic clay liners is provided. The method of manufacture enables the construction of a structurally sound liner without the use of glue or adhesive and further without the use of needle punching or quilting. The method of manufacture also elimin |
| 5584609 |
Geosynthetic clay liner and method of manufacture |
December 17, 1996 |
| An improved method of manufacturing geosynthetic clay liners is provided. The method of manufacture enables the construction of a structurally sound liner without the use of glue or adhesive and further without the use of needle punching or quilting. The method of manufacture also elimin |
| 5529438 |
Geosynthetic clay liner with modified edges for improved sealing |
June 25, 1996 |
| A clay liner is provided for use in constructing low permeability barriers in the bottom of landfills and man-made bodies of water. The liner is provided in the form of a layer of bentonite preferably disposed between a primary carrier sheet and a cover sheet. At least one outer edge of |
| 5436050 |
Tufted geosynthetic clay liner and method of manufacture thereof |
July 25, 1995 |
| A geosynthetic clay liner is disclosed for providing barriers in landfills that substantially preclude the migration of liquids. The geosynthetic clay liner includes a layer of bentonite disposed between a primary carrier sheet and a cover sheet. The primary carrier sheet and the cover |
| 5403126 |
Surface friction enhanced geosynthetic clay liner |
April 4, 1995 |
| A friction enhancing material is applied to at least one surface of the geosynthetic clay liner. The placement of friction enhancing material on the surface of the liner that engages a slope or embankment of a landfill helps the liner maintain its position during and after installation. |