| 摘要 |
PCT No. PCT/EP96/03797 Sec. 371 Date Mar. 4, 1998 Sec. 102(e) Date Mar. 4, 1998 PCT Filed Aug. 29, 1996 PCT Pub. No. WO97/09409 PCT Pub. Date Mar. 13, 1997The use of modified polyaspartic acids which are obtainable by polycondensation of aspartic acid in the presence of, in each case based on the aspartic acid employed, (a) 2.5 to 25 mol % of amines with at least 6 carbon atoms (b) at least 2% by weight of phosphoric acid, phosphorous acid, hypophosphorous acid, polyphosphoric acids, phosphorus pentoxide, phosphonic acids or mixtures of said acids, at temperatures of at least 120 DEG C. and subsequent hydrolysis with bases to give modified polyaspartic acids with a phosphorus content of from 0.5 to 10% by weight, as additive to detergents, and detergents which contain the modified polyaspartic acids in amounts of from 0.1 to 20% by weight.
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