Cascade extracting and solvent refreshing method for...

Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...

Reexamination Certificate

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C134S002000, C134S011000, C134S012000, C134S019000, C134S039000, C134S040000, C134S042000

Reexamination Certificate

active

07011713

ABSTRACT:
The method of continuously collecting jelly compounds from jelly filled cable is performed by recycling operation of a solvent by repeatedly heating, cleaning and condensing the recycling solvent used to deprive the jelly compounds of the jelly filled cable. The solvent can be retrieved for reuse unlimited times, and the collected jelly compounds can be purified for reuse too. The method is energy saving with less consumption of solvent. Absolutely no worry of an additional public nuisance.

REFERENCES:
patent: 3933674 (1976-01-01), Farnsworth
patent: 4173493 (1979-11-01), Kallas
patent: 4332677 (1982-06-01), Budzich et al.
patent: 4363449 (1982-12-01), Carr et al.
patent: 5526833 (1996-06-01), Crespel et al.
patent: 6152149 (2000-11-01), Miller et al.
patent: 6607608 (2003-08-01), Vetrano et al.
patent: 2005/0166944 (2005-08-01), Fann et al.
patent: 414731 (2000-12-01), None
patent: WO92/18991 (1992-10-01), None

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