Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Reexamination Certificate
2006-03-07
2011-10-18
Kornakov, Michael (Department: 1714)
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
C134S002000, C134S003000, C134S025100, C134S025400, C134S028000, C134S029000, C134S042000
Reexamination Certificate
active
08038803
ABSTRACT:
Methods are provided for descaling metallic components devices such as stents. The devices or components are cleaned under ultrasound in a cleaning solution of ammonium hydrogen fluoride at a temperature within a range of about 60° to 80° C., then rinsed at that temperature with an aqueous rinse containing a nonionic surfactant and rinsed again with purified water.
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Definition of scale. Acquired Jun. 2, 2008 from Dictionary.com. See p. 2.
Abbott Laboratories
Blan Nicole
Kornakov Michael
Workman Nydegger
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