| 摘要 |
1534626 Thickener compositions containing starch and guar and xanthan gums MERCK & CO Inc 19 Aug 1977 [26 Aug 1976] 34940/77 Heading C3U A thickener composition for foods and oil well drilling muds consists of 5-90 wt. per cent xanthan gum, 5-90 wt.per cent of guar gum or derivative and 5-90 per cent of starch or a starch ether. The guar gum derivative may be oxidized, earboxy methylated or hydroxyalkylated. |
