Vapor barriers for liquid conservation

Receptacles – Compartmented container – Compartment partition is movable or removable

Patent

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Details

220218, B01J 118

Patent

active

040351491

ABSTRACT:
The evaporation of volatile non-aqueous liquids is inhibited by a floating layer of expanded cereal grains optionally treated with fluorocarbons or perlite treated with fluorocarbons.

REFERENCES:
patent: 2466001 (1949-04-01), Burwell
patent: 2521190 (1950-09-01), Stafford et al.
patent: 2764603 (1956-09-01), Ahlbrecht
patent: 2926988 (1960-03-01), Hurley
patent: 3146060 (1964-08-01), Canevari
patent: 3446571 (1969-05-01), Oberholtzer

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