Classification opinions
… use in the manufacture of a washing preparation, by adding, e.g., detergents. Adoption : 1969 + 1994 … 2. Combined … for applications requiring high swelling capacity in water (e.g., oil-well drilling muds, cement slurries for oil-well … which can be depleted during adverse climatic conditions (e.g., drought, low temperatures, action of the wind) or …