Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Patent
1993-01-12
1995-01-24
Dean, Richard O.
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
134 28, 134 29, B08B 304
Patent
active
053839722
ABSTRACT:
A carpet cleaning and maintenance method wherein the steps of pre-spraying and extracting a solvent from a carpet and applying and extracting a low sudsing detergent from the carpet are alternated.
REFERENCES:
patent: 3919729 (1975-11-01), Cannan
patent: 4063961 (1977-12-01), Howard et al.
patent: 4154578 (1979-05-01), Bane
patent: 4304610 (1981-12-01), Weisensel
patent: 4595420 (1986-06-01), Williams, III et al.
patent: 5180439 (1993-01-01), Allison
Chaudhry Saeed
Dean Richard O.
Interface Service Management, Inc.
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