| Patent Number |
Title Of Patent |
Date Issued |
| 5630964 |
Use of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature |
May 20, 1997 |
| The invention comprises a method of inhibiting naphthenic acid corrosion in a high temperature hydrocarbon system, comprising adding to the system a corrosion-inhibiting amount of a phosphate ester and a corrosion-inhibiting amount of organic polysulfide. |
| 5556575 |
Corrosion inhibition in refineries using the reaction product of hydrocarbyl succinic anhydride |
September 17, 1996 |
| Disclosed are a method for inhibiting corrosion in crude oil distillation towers, an improvement in crude oil fractionation, a method for dispersing iron sulfide in a hydrocarbon stream and a hydrocarbon dispersion using the reaction product of hydrocarbyl succinic anhydride and an amine |
| 5552085 |
Phosphorus thioacid ester inhibitor for naphthenic acid corrosion |
September 3, 1996 |
| Corrosion of the metallic surfaces of distillation columns, trays, packing, and pumparound piping used in the production of hydrocarbons can be controlled by adding a neutralized or non-neutralized thio-phosphate or thio-phosphite ester to the hydrocarbon distillate contacting the metall |
| 5503006 |
High temperature corrosion simulator |
April 2, 1996 |
| An apparatus of provided for simulating corrosion activity of a high temperature liquid stream. The apparatus includes a canister in which is positioned a plug, occupying part of the internal volume of the canister. A stream of high temperature liquid enters the canister through an inlet |
| 5252254 |
Naphthenic acid corrosion inhibitor |
October 12, 1993 |
| Sulfonated alkylphenol is added to crude oil at 5 to 200 ppm to inhibit naphthenic acid corrosion of ferrous metal process piping and equipment in contact with the crude oil at naphthenic acid corrosion conditions. There are disclosed corrosion-inhibited hydrocarbon fluids, an improvemen |
