Corrosion inhibitor
Patent
·
OSTI ID:6802638
A corrosion inhibitor is described which consists of a mixture containing (1) the reaction product of a nitrogen-containing compound containing at least one active hydrogen attached to the nitrogen atom per molecule; a ketone having at least one hydrogen atom attached to the carbon atom alpha to the carbonyl group; an aldehyde; a fatty acid; and a quaternary ammonium compound; and (2) a secondary quaternary compound which is different from the quaternary compound employed to prepare the reaction product. The inhibitor is added to acidic media which comes into contact with a metal to be protected. (5 claims)
- Assignee:
- Dow Chemical Co
- Patent Number(s):
- US 3932296
- OSTI ID:
- 6802638
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300 -- Petroleum-- Drilling & Production
36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ADDITIVES
AMINES
AMMONIUM COMPOUNDS
CHEMICAL COMPOSITION
CORROSION INHIBITORS
CORROSION PROTECTION
ELEMENTS
KETONES
METALS
NITROGEN COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
QUATERNARY COMPOUNDS
020300 -- Petroleum-- Drilling & Production
36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ADDITIVES
AMINES
AMMONIUM COMPOUNDS
CHEMICAL COMPOSITION
CORROSION INHIBITORS
CORROSION PROTECTION
ELEMENTS
KETONES
METALS
NITROGEN COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
QUATERNARY COMPOUNDS