Methods for cleaning apparatus using compressed fluids
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United States of America Patent
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Apr 26, 1994
Issued Date -
N/A
app pub date -
Apr 27, 1992
filing date -
Dec 21, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The application contains subject matter related to cleaning mixtures and methods for using such cleaning mixtures to clean apparatus which contain one or more polymeric compounds wherein said cleaning mixture is comprised of at least one compressed fluid and at least one active solvent in which said at least one or more polymeric compounds are at least partially soluble and which is at least partially miscible with the at least one compressed fluid, said compressed fluid being a gas at standard conditions of 0.degree. C. and one atmosphere (STP), which cleaning mixture is in one phase and at a pressure at which the cleaning mixture is substantially near its two phase region.
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