发明授权
US3655592A Expansible pearls containing ethyl-ethylene propylene and so2 groups in a copolymer and processes of making them
失效
在乙二醇中含有乙烯 - 乙烯丙烯和二氧化硫的膨胀型PE及其制备方法
- 专利标题： Expansible pearls containing ethyl-ethylene propylene and so2 groups in a copolymer and processes of making them
- 专利标题（中）： 在乙二醇中含有乙烯 - 乙烯丙烯和二氧化硫的膨胀型PE及其制备方法
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申请号： US3655592D申请日： 1968-08-29
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公开(公告)号： US3655592A公开(公告)日： 1972-04-11
- 发明人: CHATELAIN JEAN
- 申请人： PECHINEY SAINT GOBAIN
- 专利权人： Pechiney Saint Gobain
- 当前专利权人： Pechiney Saint Gobain
- 优先权： FR119424 1967-08-30; FR160075 1968-07-22
- 主分类号： C08G75/22
- IPC分类号： C08G75/22 ; C08J9/20 ; C08F47/10 ; C08F13/06
摘要：
EXPANSIBLE PEARLS CONTAINING PROPYLENE, ETHYL-ETHYLENE, AND SO2, GROUPS WITH BUTENE-1 AND PROPANE. THEY ARE USEFUL AS ADJUVANTS TO SOIL IN AGRICULTURE, AS INSULATION AGAINST SOUND AND HEAT, AND TO MAKE CELLULAR ARTICLES BY MOLDING.
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