MILCHEM
LIGNOSULFONATES AND MODIFIED LIGNOSULFONATES; CURING AGENTS FOR CEMENT; INORGANIC CHEMICALS-NAMELY, SALT, BARIUM CARBONATE, BICARBONATE OF SODA, CALCIUM CHLORIDE, CAUSTIC SODA, GYPSUM, SODA ASH, SODIUM BICHROMATE; DRILLING MUD ADDITIVES-NAMELY, WEIGHTING AGENTS, DEFLOCCULANTS, FLUID LOSS CONTROL AGENTS, EMULSIFIERS, DISPERSANTS, ANTI-FOAM AGENTS, THINNERS, ANTI-CORROSION AGENTS, SUSPENSION AGENTS; AND CHEMICAL ADDITIVES FOR TREATING DRILLING MUDS; REFINERY, DRILLING AND INDUSTRIAL CHEMICALS-N...
Expired · August 4, 1969 · 72334355 ·