Method of inhibiting acid corrosion of ferrous metals
USH751H · kind H · statutory invention registration
8Cited by
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21Claims
0Family size
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Key dates
| Filing date | — |
| Grant date | Mar 6, 1990 |
| Priority date | — |
| Expiry date | — |
Classification
- Technology area (CPC —)General
Abstract
A method for inhibiting acid corrosion of metal well equipment which comprises introducing into an aqueous acid solution an inhibiting amount of a quaternary compound prepared by reacting a tertiary aromatic heterocyclic amine with a (halo-substituted-aryl) alkyl halide, and contacting the well equipment with the inhibited aqueous acid solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.