Regenerable adsorbents for purification of cleaning solvents

Liquid purification or separation – Processes – Ion exchange or selective sorption

Reexamination Certificate

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C210S679000, C210S690000

Reexamination Certificate

active

11260965

ABSTRACT:
A process and adsorbent for removing contaminants from silicone based solvents is disclosed. The process provides for cleaning a solvent for reuse, and regeneration of the adsorbent. The adsorbents are for adsorbing organic and inorganic compounds that have accumulated in the silicone solvents.

REFERENCES:
patent: 6312476 (2001-11-01), Perry et al.
patent: 6521580 (2003-02-01), Perry et al.
patent: 6541539 (2003-04-01), Yang et al.

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