Patent EP0281464A1 successfully refreshed from Google Patents.
EP0281464A1
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EP
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Process for the purification of styrene-vinyl pyridine copolymers by extraction, using a supercritical gas
Assignee: Rhone Poulenc Sante SA
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Filing: 1988-02-18
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Granted: —
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Expires: 2008-02-18
Abstract
Abstract Purification of a basic copolymer (copolymer of styrene with vinylpyridines) by extraction with supercritical carbon dioxide gas.
Inventors
- 👤 Paul Bourrain
- 👤 Gérard Collas
- 👤 Jean-François Rostaing
- 👤 François Sagi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 12:33
CPC Classifications
C; C08; C08F; C08F226/00; C08F226/06; C08F6/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/54
Claims Analysis
Total Claims: 0
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