Cleaning system utilizing an organic cleaning solvent and a...

Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents

Reexamination Certificate

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C134S003000, C134S029000, C134S032000, C134S034000, C134S035000, C134S036000, C134S040000, C134S043000, C008S158000, C008S159000, C068S00500D, C068S024000, C068S058000, C068S140000

Reexamination Certificate

active

07097715

ABSTRACT:
The present invention relates generally to cleaning systems, and more specifically to substrate cleaning systems, such as textile cleaning systems, utilizing an organic cleaning solvent and a pressurized fluid solvent. However, unlike conventional cleaning systems, a conventional drying cycle is not necessary. Particularly, the present invention provides a process for cleaning substrates by cleaning the substrates with an organic solvent in absence of liquid carbon dioxide, and removing the organic solvent from the substrates using a pressurized fluid solvent.

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