发明授权
- 专利标题： Water-inseparable concrete composition
- 专利标题（中）： 不可分离的混凝土组成
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申请号： US507544申请日： 1983-06-24
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公开(公告)号： US4487633A公开(公告)日： 1984-12-11
- 发明人: Masaharu Sakuta , Soichi Kiya , Iwao Uchizaki , Yasuhiko Yoshioka , Koichi Ito , Toshio Saito , Tadahiro Kaya , Tsunetoshi Shioya , Yoshifumi Shimoyama
- 申请人： Masaharu Sakuta , Soichi Kiya , Iwao Uchizaki , Yasuhiko Yoshioka , Koichi Ito , Toshio Saito , Tadahiro Kaya , Tsunetoshi Shioya , Yoshifumi Shimoyama
- 申请人地址： JPX Osaka JPX Tokyo JPX Tokyo
- 专利权人： Takenaka Komuten Co., Ltd.,Takenaka Doboku Co., Ltd.,Sankyo Chemical Industries Ltd.
- 当前专利权人： Takenaka Komuten Co., Ltd.,Takenaka Doboku Co., Ltd.,Sankyo Chemical Industries Ltd.
- 当前专利权人地址： JPX Osaka JPX Tokyo JPX Tokyo
- 优先权： JPX57-163900 19820922
- 主分类号： C04B24/26
- IPC分类号： C04B24/26 ; C04B28/02 ; C04B7/35
摘要：
A concrete composition is provided which has the property of being inseparable in water and no effect in delaying setting time or reducing strength. A polyacrylamide partial hydrolysate having a molecular weight of one million or higher and a hydrolysis degree of from 0.5 to 20% moles is present in an amount of 0.5 to 4% by weight based on the cement constituent proportion.
公开/授权文献
- US5751672A Compact disc changer utilizing disc database 公开/授权日：1998-05-12
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