U.S. federal trademark · Serial No. 79223077 · Reg. No. 5516286
Chemicals used in industry; chemicals used in science; chemical additives for use as thickening, water-binding, emulsifying, film forming, encapsulating and viscosity control agents in the production of oil and gas; chemical additives for drilling muds; carboxymethyl cellulose; polyanionic cellulose; chemicals for use in exploration and extraction of oil and gas; drilling muds; specialty chemical additives for drilling fluids; viscosifiers being chemical additives for drilling fluids; oil cements used in oil and gas exploration
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.