C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 37/72 (2006.01)
Patent
CA 2052904
- 1 - HOE 90/F 302 Abstract of the disclosure Process for the removal of resorcinol from resorcinol precondensates The invention relates to a process for the extractive removal of free resorcinol from oligomeric resorcinol precondensates by solvent extraction, which comprises carrying out the removal by continuous solvent extraction using two immiscible liquid phases, preerably according to the van Dijck process.
Altenbach Klaus
Hempe Michael
Hermann Kurt
Tetzlaff Heribert
Altenbach Klaus
Fetherstonhaugh & Co.
Hempe Michael
Hermann Kurt
Hoechst Aktiengesellschaft
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