Invention Grant
- Patent Title: Process and apparatus for preparing purified styrene composition from styrene containing feedstock
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Application No.: US18531135Application Date: 2023-12-06
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Publication No.: US12077497B2Publication Date: 2024-09-03
- Inventor: Rahul Khandelwal , Joseph C. Gentry , Randi Wytcherley , Kimberly Anderson , Meta Naulita-Ellis , Claudia Pudack , Celine Rioual , Christoph Kirschner , B. Bryant Slimp , Manfred Stepanski , Erik Temmel
- Applicant: SULZER MANAGEMENT AG
- Applicant Address: CH Winterthur
- Assignee: SULZER MANAGEMENT AG
- Current Assignee: SULZER MANAGEMENT AG
- Current Assignee Address: CH Winterthur
- Agency: GLOBAL IP COUNSELORS, LLP
- Priority: EP 206224 2020.11.06
- The original application number of the division: US17916554
- Main IPC: C07C7/14
- IPC: C07C7/14 ; B01D3/14 ; B01D3/40 ; B01D9/00 ; C07C5/03 ; C07C7/00 ; C07C7/08
Abstract:
A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.
Public/Granted literature
- US20240132426A1 PROCESS AND APPARATUS FOR PREPARING PURIFIED STYRENE COMPOSITION FROM STYRENE CONTAINING FEEDSTOCK Public/Granted day:2024-04-25
Information query
