Compositions – Solvents
Patent
1986-05-28
1989-01-10
Terapane, John F.
Compositions
Solvents
23293R, 134 2218, 134 24, 134 34, 134 42, 422261, 422263, 422264, 4236585, B01F 100, B01F 312, B01J 802, B08B 304
Patent
active
047972300
ABSTRACT:
Applicants' invention relates to a method for dissolving a solute material in a container by contacting the solute with a solvent in another container. Applicants' method relies upon the difference in the specific gravities of the solvent and the solute to create a convection current between their respective containers. The material, either the solute or the solvent, having the larger specific gravity is placed above the material having the smaller specific gravity, and the two materials are brought into contact. The solute dissolves in the solvent, and the resulting solution, which has a lower or higher specific gravity than the solvent, causes a convection current which draws the heavier material down and the lighter material up. As the convection current proceeds, the undissolved solute continues to come into contact with fresh solvent accelerating the dissolution process.
REFERENCES:
patent: 1807263 (1931-05-01), Walter
patent: 2584910 (1952-02-01), Ohlwiler
patent: 3468809 (1969-09-01), Bloom
patent: 4427643 (1984-01-01), Fowler
Inui Keiichiro
Ito Tadao
Nakamura Toshihiro
Yamamoto Kiyoshi
Caress Virginia B.
Shinto Paint Co. Ltd.
Terapane John F.
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