Invention Grant
- Patent Title: Method for recovering solvent and cellulose in the production of cellulosic spun-bonded nonwoven fabrics
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Application No.: US17299828Application Date: 2019-12-04
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Publication No.: US11939713B2Publication Date: 2024-03-26
- Inventor: Ibrahim Sagerer-Foric , Markus Malzner , Martin Lichtenthal
- Applicant: LENZING AKTIENGESELLSCHAFT
- Applicant Address: AT Lenzing
- Assignee: LENZING AKTIENGESELLSCHAFT
- Current Assignee: LENZING AKTIENGESELLSCHAFT
- Current Assignee Address: AT Lenzing
- Agency: Venable LLP
- Priority: EP 210510 2018.12.05
- International Application: PCT/EP2019/083693 2019.12.04
- International Announcement: WO2020/115142A 2020.06.11
- Date entered country: 2021-12-13
- Main IPC: D04H3/013
- IPC: D04H3/013 ; C08J11/02 ; D01D5/06 ; D01D13/02 ; D04H3/033

Abstract:
A plant (1) for the production of spunbonded nonwoven (8), comprising a spinning solution production (3), a spinning system (2), a device (6) for the delivery of coagulation liquid, at least one conveying device (7, 9) for depositing the spunbonded nonwoven (8), and a collecting device (13) for the spunbonded nonwoven (8), wherein at least one discharge device (14) is provided between the device (6) for the delivery of coagulation liquid and the collecting device (13) for the spunbonded nonwoven (8).
Public/Granted literature
- US20220106719A1 METHOD FOR RECOVERING SOLVENT AND CELLULOSE IN THE PRODUCTION OF CELLULOSIC SPUN-BONDED NONWOVEN FABRICS Public/Granted day:2022-04-07
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