Invention Grant
- Patent Title: Cement additive and method for producing same
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Application No.: US16762635Application Date: 2018-02-12
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Publication No.: US11214516B2Publication Date: 2022-01-04
- Inventor: Byeong Hak Jo
- Applicant: Byeong Hak Jo , Won Ho Jo
- Applicant Address: KR Jecheon-si; KR Jecheon-si
- Assignee: Byeong Hak Jo,Won Ho Jo
- Current Assignee: Byeong Hak Jo,Won Ho Jo
- Current Assignee Address: KR Jecheon-si; KR Jecheon-si
- Agency: Maschoff Brennan
- Priority: KR10-2017-0149060 20171110
- International Application: PCT/KR2018/001804 WO 20180212
- International Announcement: WO2019/093587 WO 20190516
- Main IPC: C04B22/14
- IPC: C04B22/14 ; C04B14/02 ; C04B14/08 ; C04B18/10 ; C04B22/12 ; C04B24/04 ; C04B111/00
Abstract:
The present invention relates to a cement additive and a method for producing same, wherein carcinogens, including heavy metals such as hexavalent chromium and the like, generated from cement are removed while maintaining the strength and characteristic physical properties of cement. Moreover, the cement additive according to the present invention can provide cement that does not become oxidized by heat into hexavalent chromium.
Public/Granted literature
- US20200283338A1 CEMENT ADDITIVE AND METHOD FOR PRODUCING SAME Public/Granted day:2020-09-10
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