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Patent Searching and Data


Title:
CONTINUOUS METHOD FOR THE EXTRACTION OF POLYAMIDE 6
Document Type and Number:
WIPO Patent Application WO/2010/020441
Kind Code:
A4
Abstract:
A continuous method for extracting monomeric caprolactam and oligomers produced therefrom from the raw polymer product obtained during the polymerization process for obtaining polyamide 6 is described. In said continuous method, process water or previously used extract water is used for the granulation process instead of fresh water.

Inventors:
KIRSTEN, Klaus (Gustavsburger Weg 22, Mainz, 55130, DE)
ALBRECHT, Manfred (Mozartstr. 6, Bruchköbel, 61486, DE)
SAMLITSCHKA, Franz (Goethestr. 82, Maintal, 63477, DE)
Application Number:
EP2009/056947
Publication Date:
February 25, 2010
Filing Date:
June 05, 2009
Export Citation:
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Assignee:
LURGI ZIMMER GMBH (Lurgiallee 5, Frankfurt am Main, 60295, DE)
KIRSTEN, Klaus (Gustavsburger Weg 22, Mainz, 55130, DE)
ALBRECHT, Manfred (Mozartstr. 6, Bruchköbel, 61486, DE)
SAMLITSCHKA, Franz (Goethestr. 82, Maintal, 63477, DE)
International Classes:
B29B9/06; B01D11/02; C07D201/16; C08G69/14; C08G69/16; C08G69/46; C08J3/12
Attorney, Agent or Firm:
MEYER-DULHEUER, Karl-Hermann (Barckhausstrasse 12 - 16, Frankfurt am Main, 60325, DE)
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