WO2025045768 - RÜCKGEWINNUNG VON SILIZIUM IN FORM DES TETRACHLORIDES AUS BIOKOHLE
National phase entry is expected:
Publication Number
WO/2025/045768
Publication Date
06.03.2025
International Application No.
PCT/EP2024/073697
International Filing Date
23.08.2024
Title **
[German]
RÜCKGEWINNUNG VON SILIZIUM IN FORM DES TETRACHLORIDES AUS BIOKOHLE
[English]
RECOVERY OF SILICON IN THE FORM OF SILICON TETRACHLORIDE FROM BIOCHAR
[French]
RÉCUPÉRATION DE SILICIUM SOUS FORME DE TÉTRACHLORURE DE SILICIUM À PARTIR DE BIOCHARBON
Applicants **
LANXESS DEUTSCHLAND GMBH
Inventors
BOLL, Matthias
Priority Data
23194301.0
30.08.2023
EP
24194127.7
12.08.2024
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1964 | |
| EPO | Filing, Examination, Granting | 8113 | |
| Japan | Filing, Examination, Granting | 2029 | |
| South Korea | Filing, Examination, Granting | 1852 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
18,698
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[German]
Die Erfindung betrifft ein Verfahren zur Rückgewinnung von Silizium in Form des Tetrachlorides, in dem man Biokohle mit einem Siliziumgehalt, ausgedrückt in Gew.-% an elementarem Silizium, von wenigstens 1 Gew.-% mit elementarem Chlor bei einer Temperatur von 350 bis 900°C umsetzt und das gebildete Siliziumtetrachlorid aus dem Abgasstrom, vorzugsweise durch Kondensation abtrennt.[English]
The invention relates to a process for the recovery of silicon in the form of silicon tetrachloride, in which biochar having a silicon content, expressed in % by weight of elemental silicon, of at least 1% by weight is reacted with elemental chlorine at a temperature of 350 to 900°C and the silicon tetrachloride formed is separated from the exhaust gas stream, preferably by condensation.[French]
L'invention concerne un procédé de récupération de silicium sous la forme de tétrachlorure de silicium, dans lequel du biocharbon ayant une teneur en silicium, exprimée en % en poids de silicium élémentaire, d'au moins 1% en poids est mis à réagir avec du chlore élémentaire à une température de 350 à 900°C et le tétrachlorure de silicium formé est séparé du flux de gaz d'échappement, de préférence par condensation.