Condensation products from formaldehyde and sulphonated phenyl-indanes and salts thereof, process for their preparation and their use as suspending agents.

摘要

DESCRIBED CONDENSATION DERIVATIVES phenylindane sulfonated formaldehyde or formaldehyde donors, and the use of the salts of the condensation products thus obtained as stabilizers and viscosity controlling AGENTS aqueous suspensions, INCLUDING SLUDGE OF COAL AND WATER.