U.S. federal trademark · Serial No. 87641181 · Reg. No. 5848048
A VISUAL-INDICATING PASTE MADE UP OF A COMBINATION OF MATERIALS OF A COMPOSITION COMPRISED OF AN INDICATOR CAPABLE OF CHANGING COLOR AND CERTAIN INORGANIC BASES FOR USE IN DETECTING THE PRESENCE AND LEVEL OF AQUEOUS SOLUTIONS WHEN ADMIXED WITH HYDROCARBONS SUCH AS GASOLINE OR OTHER FUEL AND PETROLEUM FRACTIONS IN STORAGE TANKS; A VISUAL-INDICATING PASTE MADE OF A PHYSICAL MIXTURE COMPRISED OF A NON-POLAR DYE, A HIGH MOLECULAR WEIGHT CARRIER, A WHITENING AGENT AND A FILLER MATERIAL FOR USE IN DETECTING THE PRESENCE AND LEVEL OF HYDROCARBON MIXTURES SUCH AS GASOLINE, KEROSENE, JET FUEL, DIESEL FUEL, HEATING OIL, OR OTHER FUEL AND PETROLEUM FRACTIONS IN STORAGE TANKS
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