Goods & Services
Class 1:
chemical additives for drilling muds; chemical additives for use in industry; additives, chemical, to drilling muds; chemical additives to drilling muds; fluid loss additives; carboxymethyl cellulose used as fluid loss reducers in drilling mud; chemical additives for use in drilling; chemical additives for drilling fluids; chemical additives for oil well drilling fluids; drilling fluids [chemicals]; fluids for drilling [chemicals]; fluids for rock drilling [chemicals]
Class 4:
additives, non-chemical, to cutting fluids; drilling fluids [oils]; fluids for drilling [oils]; drilling fluids [lubricants]; fluids for drilling [lubricants]; drilling lubricants
