| 摘要 |
PCT No. PCT/GB95/00842 Sec. 371 Date Dec. 12, 1995 Sec. 102(e) Date Dec. 12, 1995 PCT Filed Apr. 10, 1995 PCT Pub. No. WO95/27800 PCT Pub. Date Oct. 19, 1995Leather is rendered flexible and water repellent by treatment with a low molecular weight, generally monomeric, amphoteric surfactant having at least one surfactant hydrophobe, at least two cationic groups and at least two anionic groups which are carboxylic groups.
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