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US 3,939,662 AGranted
Liquid impervious surface structures
AssigneePhillips Petroleum Company
InventorHerbert A. Volz
Life of this patent
Estimating the term…
Abstract
Liquid impervious surface structures are formed by permeating a fabric and a portion of an earthen foundation with an aqueous gel wherein the permeated earthen foundation is covered by the permeated fabric.
Claims19
A liquid-impervious surface structure comprising an earthen foundation covered with a fabric wherein said fabric and a portion of said earthen foundation are permeated with an aqueous gel formed from a water-soluble polymer.
A method for the production of a liquid-impervious surface structure which comprises:
- permeating a fabric and a portion of an earthen foundation with an aqueous gel formed from a water-soluble polymer, wherein said permeated earthen foundation is covered by said permeated fabric.
Dependencies are inferred from the claim text.