Invention Grant
- Patent Title: Compositions for bleaching pulps and their use
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Application No.: US14896317Application Date: 2014-06-06
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Publication No.: US10683613B2Publication Date: 2020-06-16
- Inventor: Mikko Likitalo
- Applicant: ImerTech SAS
- Applicant Address: FR Paris
- Assignee: ImerTech SAS
- Current Assignee: ImerTech SAS
- Current Assignee Address: FR Paris
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7e2e585a
- International Application: PCT/EP2014/061878 WO 20140606
- International Announcement: WO2014/195478 WO 20141211
- Main IPC: D21C9/08
- IPC: D21C9/08 ; D21H21/02 ; D21H17/67 ; D21H17/69 ; D21C9/10 ; D21C9/16
Abstract:
Compositions suitable for use in the bleaching of pulps may include one or more particulate alkaline earth metal oxides or alkaline earth metal hydroxides or mixtures thereof, and one or more pitch control additives. The compositions may be suitable for use in a pulp preparation or a papermaking process. A method for the bleaching of pulps may include providing the composition.
Public/Granted literature
- US20160138219A1 COMPOSITIONS FOR BLEACHING PULPS AND THEIR USE Public/Granted day:2016-05-19
Information query
