Invention Application
- Patent Title: PROCESS TO PREPARE A SURFACE-REACTED CALCIUM CARBONATE IMPLEMENTING A WEAK ACID, RESULTING PRODUCTS AND USES THEREOF
- Patent Title (中): 制备表面反应的碳酸钙的方法实施弱酸，结果产品及其用途
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Application No.: US14619283Application Date: 2015-02-11
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Publication No.: US20150166792A1Publication Date: 2015-06-18
- Inventor: Patrick A.C. Gane , Daniel E. Gerard
- Applicant: Omya International AG
- Applicant Address: CH Oftringen
- Assignee: Omya International AG
- Current Assignee: Omya International AG
- Current Assignee Address: CH Oftringen
- Priority: EP09162727.3 20090615
- Main IPC: C09C1/02
- IPC: C09C1/02 ; D21H17/67 ; C09D7/12 ; C08K3/26
Abstract:
The present application relates to a process for preparing a surface-reacted calcium carbonate in an aqueous environment. The process according to the present invention aims at avoiding the mandatory implementation of medium-strong to strong acids. Another aspect of the present invention is directed to an aqueous suspension of surface-reacted calcium carbonate which is Obtainable by the inventive process.
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