Invention Grant
- Patent Title: Process for the preparation of flocculated filler particles
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Application No.: US15518564Application Date: 2015-11-03
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Publication No.: US11326307B2Publication Date: 2022-05-10
- Inventor: Michel Schenker , Matthias Buri , Lars Andersson , Daniel Gantenbein , 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: Heslin Rothenberg Farley & Mesiti P.C.
- Priority: EP14192373 20141107
- International Application: PCT/EP2015/075614 WO 20151103
- International Announcement: WO2016/071349 WO 20160512
- Main IPC: D21H17/67
- IPC: D21H17/67 ; D21H17/28 ; D21H17/69 ; D21H17/68 ; D21H19/40 ; C01F11/18 ; C09C1/40 ; C09C1/02 ; D21H19/38 ; C09C1/00 ; D21H17/21
Abstract:
The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.
Public/Granted literature
- US20170275825A1 A PROCESS FOR THE PREPARATION OF FLOCCULATED FILLER PARTICLES Public/Granted day:2017-09-28
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