Extraction and cleaning processes

Details Extraction and cleaning processes Extraction and cleaning processes

1973-08-02

1977-03-15

Bentley, Stephen C.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Dry cleaning

D06L 102

Patent

active

040121941

ABSTRACT:
Extraction and cleaning processes characterized by the use of liquid carbon dioxide as the extraction and cleaning solvent. This solvent is disclosed as being applied to plant material for the extraction of essential oils and as being used in place of the conventional solvents in the dry cleaning of garments.

REFERENCES:
patent: 1197495 (1916-09-01), Jefferson
patent: 1805751 (1931-05-01), Auerbach

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