Foam vessel for cryogenic fluid storage

Receptacles – For cryogenic content – Including thermal insulation

Reexamination Certificate

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C062S045100, C220S901000

Reexamination Certificate

active

07971744

ABSTRACT:
Cryogenic storage and separator vessels made of polyolefin foams are disclosed, as are methods of storing and separating cryogenic fluids and fluid mixtures using these vessels. In one embodiment, the polyolefin foams may be cross-linked, closed-cell polyethylene foams with a density of from about 2 pounds per cubic foot to a density of about 4 pounds per cubic foot.

REFERENCES:
patent: 3019937 (1962-02-01), Morrison
patent: 3924039 (1975-12-01), Smith, Jr.
patent: 3929247 (1975-12-01), Borup
patent: 3970210 (1976-07-01), Katsuta
patent: 4089285 (1978-05-01), Okamoto
patent: 4109823 (1978-08-01), Ffooks, Jr.
patent: 4933040 (1990-06-01), Wesley, Jr.
patent: 5150812 (1992-09-01), Adams
patent: 6093468 (2000-07-01), Toms et al.
patent: 6206223 (2001-03-01), Wicker

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