| 摘要 |
<p>PCT No. PCT/US95/06812 Sec. 371 Date Feb. 28, 1997 Sec. 102(e) Date Feb. 28, 1997 PCT Filed May 30, 1995 PCT Pub. No. WO95/33815 PCT Pub. Date Dec. 14, 1995Laundry detergent compositions comprise at least 10% detergent surfactant or at least 10% detergent builder system. The detergent builder system comprises a copolymer of maleic acid and acrylic acid having a molecular weight of from 5,000 to 15,000 and a mole ratio of acrylic units to maleic units of from about 3:7 to 7:3. The copolymer has an Index Ratio (IR) of not less than 110, wherein IR=Binding Index (BI)xDispersing Index (DI)100.</p> |
