Aq. suspensions of finely divided clay contain an inorganic liquefier (I) and a phosphonocarboxylic acid cpd. of formula (II): R1 = H or opt. substd. 1-4C alkyl; R2 and R3 = H, 1-4C alkyl or monovalent cations.
申请公布号
DE4404219(A1)
申请公布日期
1995.08.17
申请号
DE19944404219
申请日期
1994.02.10
申请人
BAYER AG, 51373 LEVERKUSEN, DE
发明人
HUGGINS, JOHN, DIPL.-CHEM. DR., 51373 LEVERKUSEN, DE
