发明授权
US4559214A Particulate calcium carbonate 失效
颗粒状碳酸钙

Particulate calcium carbonate
摘要:
The invention provides particulate calcium carbonate having incorporated therein from 0.1 to 10% by weight, based on the weight of calcium carbonate, of polymaleic acid or a water-soluble salt thereof.
信息查询
0/0