Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2005-02-22
2005-02-22
Barr, Michael (Department: 1746)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022110, C134S022120, C134S022180, C134S022190, C134S037000
Reexamination Certificate
active
06857436
ABSTRACT:
A method of cleaning surfaces using a mixed phase cleaning mixture of an aqueous solution and a flow of gas sufficient to produce droplets of the liquid which are entrained by the gas for a time sufficient to clean tubing of various lengths and geometries and porous membranes to remove biofilm, debris and contaminants.
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Labib Mohamed Emam
Lai Ching-Yue
Mahon Geoffrey Lawrence
Materna Peter A.
Barr Michael
Chaudhry Saeed
Merchant & Gould P.C.
Princeton Trade & Technology, Inc.
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