Stabilized organic sulfur-containing compounds

Claim 1

IN A METHOD FOR PREPARING ORGANIC SULFUR-CONTAINING COMPOUNDS USEFUL AS LUBRICATING OIL ADDITIVES AND SELECTED FROM THE GROUP CONSISTING OF SULFURIZED HYDROCARBONS AND PHOSPHO-SULFURIZED METAL SALTS OF ALKYL PHENOL SULFIDES, THE IMPROVEMENT IN ACCORDANCE WITH WHICH THE ODOR OF SAID ORGANIC SULFUR-CONTAINING COMPOUNDS IS IMPROVED WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID ORGANIC SULFUR-CONTAINING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF SULFURIZED HYDROCARBONS AND PHOSPHO-SULFURIZED METAL SALTS OF ALKYL PHENOL SULFIDES WITH A VAPOROUS OXIDE OF NITROGEN AT A TEMPERATURE OF ABOUT 50* TO 250* F. FOR ABOUT 5 MINUTES TO 1 HOUR TO THEREBY SUBSTANTIALLY REDUCE THE EVOLUTION OF HYDROGEN SULFIDE FROM SAID ORGANIC SULFUR-CONTAINING COMPOUND WITHOUT REMOVING SUBSTANTIALLY ANY SULFUR THEREFROM, SAID CONTACTING BEING CARRIED OUT IN THE SUBSTANTIAL ABSENCE OF WATER AND EMPLOYING ABOUT 3 TO 100 CUBIC FEET OF VAPOROUS OXIDE OF NITROGEN PER HOUR PER GALLON OF SAID ORGANIC SULFUR-CONTAINING COMPOUND.