Class Information
Number: 252/185
Name: Compositions > Plumbiferous sulphur bindant or modifiant containing
Description: Compositions which contain substances which contain lead or a lead compound for, or peculiar to, use in treating petroleum to "sweeten" it, or eliminate therefrom or modify sulfur or sulfur compounds therein, or chemically binding extraneous sulfur or chemically modifying extraneous sulfur compounds, or in making substances for such use.
Patents under this class:
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