| 摘要 |
PCT No. PCT/US95/05839 Sec. 371 Date Feb. 24, 1997 Sec. 102(e) Date Feb. 24, 1997 PCT Filed May 10, 1995 PCT Pub. No. WO95/33024 PCT Pub. Date Dec. 7, 1995An aqueous viscous composition comprises: (a) from 0.5% to 1.2% of an ingredient comprising an amine, amine oxide or a mixture thereof; (b) between 4% and 7% of an ingredient comprising a secondary alkyl sulfate, secondary alkyl sulfonate, primary monobranched alkyl sulfate, primary monobranched alkyl sulfonate or mixture thereof, (c) between 2% and 4% hydrotrope; and (d) between 4% and 8% citric acid. The amount of component (b) is in excess of component (a), and the composition has a pH of from 3 to 4. A 1.2%, by weight, aqueous solution of the composition has an average rate of foam collapse of from 1.00 to 1.50 cm/min. |
