04012194 is referenced by 61 patents and cites 2 patents.

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.

Title
Extraction and cleaning processes
Application Number
186089
Publication Number
4012194
Application Date
August 2, 1973
Publication Date
March 15, 1977
Inventor
Raymond L Maffei
639 Front St., San Francisco, 94111
CA, US
Agent
Naylor Neal & Uilkema
IPC
D06L 1/02
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