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American Colloid Co. Patents |
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Assignee: American Colloid Co.
Address: Skokie, IL
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4439062 |
Sealing system and method for sealing earthen containers |
March 27, 1984 |
| A sealing system for an earthen container such as a pit, lagoon, land fill or the like for storing waste materials includes an outer seal layer formed by mixing a water expandable colloidal clay, such as bentonite with the soil of the pit. A middle or intermediate layer is defined by a l |
| 4377416 |
Masonry cement composition, masonry construction and method |
March 22, 1983 |
| A masonry cement is prepared by dry mixing portland cement, diatomaceous earth and a water-swellable colloidal clay, such as bentonite. Accordingly, the crushed limestone and other ingredients previously included in masonry cements for admixture with portland cement can be completely |
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