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US 5,849,364 AGranted
Self-foaming sprayable composition
AssigneeNew Waste Concepts, Inc.
InventorsThomas J. Nachtman, John H. Hull
Life of this patent
Estimating the term…
Abstract
A self-foaming composition includes a foaming agent, a bulking material, and a water soluble polymer. The composition, when mixed with an aqueous carrier, forms a foamed sprayable composition suitable for providing a cover layer over a selected material.
Claims20
A self-foaming composition comprising:
- (a) a foaming agent,
- (b) a bulking material,
- (c) a water soluble polymer, and
- (d) a glue,
- the composition when mixed with an aqueous carrier forming a foamed sprayable aqueous slurry suitable for providing a cover layer over a selected material.
2 more elements
A method for providing a daily cover for waste material comprising:
- (a) depositing a layer of waste material at a site,
- (b) mixing a self-foaming composition comprising a foaming agent, a fibrous material, a binder and a glue with an aqueous carrier to form a foamed fibrous slurry, spraying the foamed fibrous slurry over the waste material, and allowing the foamed fibrous slurry to set up to form a cover layer over the waste material, and
- (c) repeating steps (a) and (b) during each operating day of the site.
A method for providing a daily cover for waste material at a landfill site comprising:
- (a) depositing a layer of waste material at a landfill site,
- (b) mixing a self-foaming composition comprising a foaming agent, cellulosic fibers, a binder and a glue with an aqueous carrier to form a foamed fibrous slurry, hydro-spraying the foamed fibrous slurry over the waste material, and allowing the foamed fibrous slurry to set up to form a cover layer having a thickness from about 1/16 inch to about 1/2 inch over the waste material, and
- (c) repeating steps (a) and (b) during each operating day of the landfill site.
Dependencies are inferred from the claim text.