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发明名称
黑板笔墨水
摘要
一种黑板笔墨水,是用蒸馏水与颜料,及其有关助剂经反应聚合混研乳化后再经过滤静置而成。它能给课堂教学提供无尘无味,书写方便的教学用具,用以改善教学环境,维护师生身体健康。
申请公布号
CN1233634A
申请公布日期
1999.11.03
申请号
CN98101432.1
申请日期
1998.04.28
申请人
北京圣哲黑板笔科技有限公司
发明人
范远华
分类号
C09D11/16
主分类号
C09D11/16
代理机构
代理人
主权项
1、一种黑板笔墨水,其特征在于:经处理过的水与颜料、及其助剂,经反应聚合混研、胶磨乳化而成。
地址
100083北京市清华东路35号中科院半导体所702室
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