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US 4,290,912 AGranted
Volatile corrosion inhibiting article
AssigneeNorthern Instruments Corporation
InventorsFred P. Boerwinkle, Donald A. Kubik
Life of this patent
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Abstract
Plastic articles having volatile corrosion inhibiting properties are described. The plastic articles comprise polyolefin polymer, an inorganic nitrite salt, a trisubstituted phenol and fumed silica.
Claims7
An article having volatile corrosion inhibiting properties comprising
- (a) a polyolefin polymer
- (b) an inorganic nitrite salt
- (c) a phenol of the formula ##STR1## where R.sub.1, R.sub.2 and R.sub.3 are selected from alkyl, aryl, alkenyl, hydroxyalkyl, hydroxyalkenyl and where the sum of carbon atoms in R.sub.1, R.sub.2 and R.sub.3 is in the range of 3 and about 18, and
- (d) fumed silica.
1 more element
Dependencies are inferred from the claim text.