Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Reexamination Certificate
2008-05-06
2008-05-06
Fortuna, Ana (Department: 1797)
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
C134S010000, C134S011000, C134S012000, C134S029000, C134S022180
Reexamination Certificate
active
07368057
ABSTRACT:
A washcoat coating composition is disclosed that includes at least one water insoluble organic solvent and at least one polymer, such as an epoxy acrylic copolymer. A method of removing residual water from a mixture of residual water and washcoat using ultrafiltration is also disclosed. A method of coating a metal article and a washcoat system for applying a washcoat to a metal article is also disclosed.
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Fron Rebecca A.
Kaleem Kareem
Kazik Kris
Fortuna Ana
Palladino Donald R.
PPG Industries Ohio Inc.
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