Prevention of corrosion in steam generation

Claim 1

IN A PROCESS OF GENERATING STEAM, THE METHOD WHICH COMPRISES GENERATING STEAM FROM AN ALKALINE BOILER WATER WHILE INCORPORATING INTO THE FEED WATER TO THE BOILER A QUANTITY OF A POLYAMINE SALT FROM THE GROUP CONSISTING OF THE NEUTRAL HYDROCHLORIDE, HYDROBROMIDE, NITRATE, ORTHOPHOSPHATE, PYROSPHOPHATE, ACETATE, AND 2-NAPHTHALENE SULFONATE OF ETHYLENEDIAMINE, THE ACID NITRATE AND ACID OXALATE OF ETHYLENEDIAMINE THE MIXED ALKALI METAL AMINE NEUTRAL SALTS OF ETHYLENEDIAMINE MONOSODIUM ORTHOPHOSPHATE, THE MIXED NEUTRAL SALTS OF ETHYLENEDIAMINE LIGINN SULFONIC ACID AND SULFURIC ACID, THE NITRATE, THE SULFATE, THE ORTHOPHOSPHATE, THE HYDROCHLORIDE, THE ACETATE, THE PHENYL ACETATE AND THE 2-NAPHTHALENE SULFONATE OF DIETHYLENETRIAMINE AS THE NEUTRAL SALTS, THE QUANTITY OF ALKALI IN THE ALKALINE BOILER WATER BEING IN EXCESS OF THE AMOUNT REQUIRED TO HYDROLYZE SAID SALT AND THE QUANTITY OF THE SALT BEING EFFECTIVE TO LIBERATE A CORROSION INHIBITING QUANTITY OF THE POLYAMINE UPON SAID HYDROLYSIS AND BEING EQUIVALENT TO APPROXIMATELY 0.015 POUND FOR EACH NEUTRALIZING AMINO GROUP IN THE AMINE PER GRAIN OF METHYL ORANGE ALKALINITY PER THOUSAND GALLONS OF WATER.