U.S. federal trademark · Serial No. 72019961 · Reg. No. 0652250
CHEMICAL PREPARATIONS-NAMELY, MINERAL OIL EMULSIONS AND DE-EMULSIFIERS; EMULSIFIERS FOR FATTY AND MINERAL OILS, SOLVENTS, AND WAXES; OIL WELL DRILLING MUD ADDITIVES; PROTECTIVE AGENTS AND SCALE PREVENTATIVES FOR OIL WELL TUBING
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