Invention Grant
- Patent Title: Process for producing a pulp
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Application No.: US15856996Application Date: 2017-12-28
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Publication No.: US10648129B2Publication Date: 2020-05-12
- Inventor: Herbert Sixta , Andrea Promberger , Andrea Borgards , Roland Möslinger
- Applicant: Lenzing Aktiengesellschaft
- Applicant Address: AT Lenzing
- Assignee: Lenzing Aktiengesellschaft
- Current Assignee: Lenzing Aktiengesellschaft
- Current Assignee Address: AT Lenzing
- Agency: Venable LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4861e98f
- Main IPC: D21C1/02
- IPC: D21C1/02 ; D21C9/00 ; D21C9/08 ; C08B37/14 ; D21C3/22 ; D21C3/02

Abstract:
The invention relates to a process for producing a dissolving pulp from a cellulosic starting material using the kraft process, comprising the step of cooking the starting material with a cooking liquor. The process according to the invention characterized in that the starting material is exposed to a steam treatment prior to cooking and that the pulp obtained by cooking is subjected to cold caustic extraction (CCE) in the course of further processing.
Public/Granted literature
- US20180119345A1 PROCESS FOR PRODUCING A PULP Public/Granted day:2018-05-03
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