Invention Grant
- Patent Title: Blend of surface modified calcium carbonate comprising particles (MCC) and precipitated calcium carbonate comprising particles (PCC) and its uses
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Application No.: US15557573Application Date: 2016-04-04
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Publication No.: US11292915B2Publication Date: 2022-04-05
- Inventor: Dennis Werner , Fritz Lehner , Alain Cremaschi
- Applicant: Omya International AG
- Applicant Address: CH Oftringen
- Assignee: Omya International AG
- Current Assignee: Omya International AG
- Current Assignee Address: CH Oftringen
- Agency: Heslin Rothenberg Farley & Mesiti, P.C.
- Priority: EP15164345 20150420
- International Application: PCT/EP2016/057321 WO 20160404
- International Announcement: WO2016/169753 WO 20161027
- Main IPC: C09C1/02
- IPC: C09C1/02 ; C08K3/26 ; C09C1/00 ; C08K9/10 ; C09D7/42 ; C09D7/62 ; C09J11/04 ; D21H17/67 ; D21H17/00 ; D21H19/38
Abstract:
The present invention relates to a process for producing an aqueous slurry comprising a blend of surface modified calcium carbonate comprising particles (MCC) and precipitated calcium carbonate comprising particles (PCC), an aqueous slurry comprising the blend, as well as the blend obtainable by drying the aqueous slurry and their uses in paper, paper coating, tissue paper, digital photo paper, paints, coatings, adhesives, plastics, waste water treating or waste water treating agents.
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