Liquid purification or separation – Processes – Separating
Reexamination Certificate
2007-11-27
2007-11-27
Menon, Krishnan S. (Department: 1723)
Liquid purification or separation
Processes
Separating
C210S689000, C210S690000, C210S634000, C210S916000, C210S758000, C210S763000, C008S142000, C134S013000, C556S456000
Reexamination Certificate
active
10876177
ABSTRACT:
A process for purifying dry cleaning solvents from a mixture containing used dry cleaning solvents and contaminants, such as laundry soils, fabric treating agents.
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Arredondo Victor Manuel
Dupont Jeffrey Scott
Gardner Robb Richard
Haught John Christian
Hopkins Jeffrey John
Menon Krishnan S.
Miller Steven W.
The Procter & Gamble & Company
Zerby Kim W.
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