Patent ID: 6248136
Filing Date: 2001-06-19
Classification: D06L

Abstract:
A dry cleaning process that facilitates distribution of detergent and solvent in conjunction with the cleaning of articles at a dry cleaning facility, said process comprising the steps of:(a) receiving from a source a dry cleaning solvent at said dry cleaning facility, said solvent consisting essentially of beverage grade carbon dioxide;(b) receiving a concentrated detergent formulation at said cleaning facility;(c) accepting from customers soiled articles to be cleaned at said cleaning facility;(d) mixing said dry cleaning solvent and said concentrated detergent formulation to provide a dry cleaning formulation comprised of from 40 to 99 percent by weight of carbon dioxide solvent;(e) cleaning said articles in a cleaning apparatus to produce cleaned articles;(f) at least periodically distilling said dry cleaning formulation to produce a still residue comprising surfactant and soil; and(g) returning said cleaned articles to said customers.