About 4 Trademarks found that are owned by Sichem Inc.

chemicals and chemical additives for use in the oil, gas, and water industries

chemical additives for water base drilling fluids

design and testing of drilling fluid additives, chemicals, and equipment for use in the oil, gas, and water industries; research and development of drilling fluid additives and chemicals for use in the oil, gas, and water industries; engineering and fluid management services in the oil, gas, and water industries; and chemical laboratory services

marketing drilling fluid additives and chemicals for use in the oil, gas, and water industries; and waste water management