WO2023031270 - IMPROVEMENTS RELATING TO THE COLD-ALKALI PROCESS FOR THE PRODUCTION OF REGENERATED CELLULOSIC SHAPED BODIES
National phase entry:
Publication Number
WO/2023/031270
Publication Date
09.03.2023
International Application No.
PCT/EP2022/074194
International Filing Date
31.08.2022
Title **
[English]
IMPROVEMENTS RELATING TO THE COLD-ALKALI PROCESS FOR THE PRODUCTION OF REGENERATED CELLULOSIC SHAPED BODIES
[French]
PERFECTIONNEMENTS APPORTÉS AU PROCÉDÉ ALCALIN À FROID POUR LA PRODUCTION DE CORPS FAÇONNÉS CELLULOSIQUES RÉGÉNÉRÉS
Applicants **
LENZING AKTIENGESELLSCHAFT
Werkstraße 2
4860 Lenzing, AT
Inventors
RÖDER, Thomas
Dürnauer Str. 51i
4840 Vöcklabruck, AT
SUCHOMEL, Fritz
Trattberg 17
4861 Schörfling, AT
REDLINGER, Sigrid
Untergallaberg 26
4860 Lenzing, AT
Priority Data
21194786.6
03.09.2021
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Translation |
|
Recalculate
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1116 | |
| EPO | Filing, Examination | 4601 | |
| Japan | Filing | 591 | |
| South Korea | Filing | 575 | |
| USA | Filing, Examination | 2710 |
Total: 9593 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
A method for preparing a cooled spinning solution suitable for forming a regenerated cellulosic shaped body by extrusion into a coagulation bath. The method comprises at least one conditioning step during which the spinning solution is distributed over a cooled surface by at least one distributing blade.[French]
Procédé de préparation de solution de filage refroidie permettant de former un corps façonné cellulosique régénéré par extrusion dans un bain de coagulation. Le procédé comprend au moins une étape de conditionnement au cours de laquelle la solution de filage est répartie sur une surface refroidie par au moins une lame de distribution.