U.S. federal trademark · Serial No. 79153235 · Reg. No. 4706016
Chemicals used in industry, namely, chemical additives for the production of dry mortars based on cement or calcium sulfate in the nature of mortars, grouts, gypsum plasters and wallboard, and chemical additives for hydration control which accelerate or retard the hydration process of cement and gypsum for improving the workability and strength development of dry mortars
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