Carbon Dioxide Cleaning Method
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Abstract
A method for cleaning objects is disclosed. The method includes placing the objects into a cleaning chamber and contacting them with a dense phase gas. After draining the dense phase gas from the cleaning chamber, the pressure in the cleaning chamber is changed at a rate of at least 1 bar per minute, preferably at a rate of 5 bar per minute, more preferably at a rate of 10 bar per minute.
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Citations
32 Claims
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1-12. -12. (canceled)
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13. A method for cleaning objects, comprising the steps of:
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placing an object into a cleaning chamber; contacting the object with a dense phase gas; draining the dense phase gas from the cleaning chamber; and after draining the dense phase gas from the cleaning chamber, changing a pressure in the cleaning chamber at a rate of at least 1 bar per minute. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification