WO2025253089 - HEAT INTEGRATION IN AN ACETYLENE-BASED PROCESS FOR PRODUCING VINYL CHLORIDE MONOMER
National phase entry is expected:
Publication Number
WO/2025/253089
Publication Date
11.12.2025
International Application No.
PCT/GB2025/051118
International Filing Date
22.05.2025
Title **
[English]
HEAT INTEGRATION IN AN ACETYLENE-BASED PROCESS FOR PRODUCING VINYL CHLORIDE MONOMER
[French]
INTÉGRATION DE CHALEUR DANS UN PROCÉDÉ À BASE D'ACÉTYLÈNE POUR PRODUIRE UN MONOMÈRE DE CHLORURE DE VINYLE
Applicants **
JOHNSON MATTHEY DAVY TECHNOLOGIES LIMITED
Inventors
SMIDT, Martin Lucas
Priority Data
2407958.4
05.06.2024
GB
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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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
* |
| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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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 | 2023 | |
| EPO | Filing, Examination, Granting | 8159 | |
| Japan | Filing, Examination, Granting | 2170 | |
| South Korea | Filing, Examination, Granting | 2051 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,143
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Abstract[English]
The specification describes a process for the production of vinyl chloride monomer (VCM) from acetylene. The process involves a specific arrangement between the lights column reboiler and the refrigeration service. A portion of the hot refrigerant vapour generated by the refrigeration service is used for the heating duty in the lights column. This arrangement reduces the amount of cooling water required by the refrigeration service and avoids the need to generate steam or hot water for the lights column reboiler.[French]
L'invention concerne un procédé de production d'un monomère de chlorure de vinyle (VCM) à partir d'acétylène. Le procédé implique un agencement spécifique entre le rebouilleur de colonne de produits légers et le service de réfrigération. Une partie de la vapeur de fluide frigorigène chaud générée par le service de réfrigération est utilisée pour le service de chauffage dans la colonne de produits légers. Cet agencement réduit la quantité d'eau de refroidissement requise par le service de réfrigération et évite la nécessité de générer de la vapeur ou de l'eau chaude pour le rebouilleur de colonne de produits légers.