Invention Grant
- Patent Title: PCC with reduced portlandite content
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Application No.: US15518395Application Date: 2015-10-20
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Publication No.: US10294115B2Publication Date: 2019-05-21
- Inventor: Daniel E. Gerard , Patrick A. C. Gane
- Applicant: Omya International AG
- Applicant Address: CH Oftringen
- Assignee: Omya International AG
- Current Assignee: Omya International AG
- Current Assignee Address: CH Oftringen
- Agency: Amster, Rothstein & Ebenstein LLP
- Priority: EP14190261 20141024
- International Application: PCT/EP2015/074205 WO 20151020
- International Announcement: WO2016/062682 WO 20160428
- Main IPC: C01F11/18
- IPC: C01F11/18 ; D21H17/67 ; D21H19/38
Abstract:
The present invention is directed to a process for producing an aqueous suspension of precipitated calcium carbonate, wherein a milk of lime is prepared by mixing water, a calcium oxide containing material, and a precipitation enhancer, and subsequently, the milk of lime is carbonated to form an aqueous suspension of precipitated calcium carbonate.
Public/Granted literature
- US20170305755A1 PCC WITH REDUCED PORTLANDITE CONTENT Public/Granted day:2017-10-26
Information query
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