DE2242642
Continuous extraction of polylactam granules for the removal of monomers and/or oligomers therefrom by means of hot water flowing countercurrently in an extraction zone, which extraction zone is divided into subzones by at least one heating zone and the water is accelerated, at certain time interval...
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| creator | VALENTIN, GUENTER, 6701 RUCHHEIM NIESWANDT, WERNER., 6940 WEINHEIM KISSEL, ERNST NEUMANN, ECKART HOERAUF, WERNER GUENTHER, ERNST |
| description | Continuous extraction of polylactam granules for the removal of monomers and/or oligomers therefrom by means of hot water flowing countercurrently in an extraction zone, which extraction zone is divided into subzones by at least one heating zone and the water is accelerated, at certain time intervals, cocurrently and countercurrently to the flow of granules. |
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COMPOSITIONS BASED THEREON ; HETEROCYCLIC COMPOUNDS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC CHEMISTRY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING</subject><creationdate>1980</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800619&DB=EPODOC&CC=DE&NR=2242642C3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19800619&DB=EPODOC&CC=DE&NR=2242642C3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>VALENTIN, GUENTER, 6701 RUCHHEIM</creatorcontrib><creatorcontrib>NIESWANDT, WERNER., 6940 WEINHEIM</creatorcontrib><creatorcontrib>KISSEL, ERNST</creatorcontrib><creatorcontrib>NEUMANN, ECKART</creatorcontrib><creatorcontrib>HOERAUF, WERNER</creatorcontrib><creatorcontrib>GUENTHER, ERNST</creatorcontrib><title>DE2242642</title><description>Continuous extraction of polylactam granules for the removal of monomers and/or oligomers therefrom by means of hot water flowing countercurrently in an extraction zone, which extraction zone is divided into subzones by at least one heating zone and the water is accelerated, at certain time intervals, cocurrently and countercurrently to the flow of granules.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1980</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOB0cTUyMjEyMzHiYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxcPXOxsZEKAEAygYaYw</recordid><startdate>19800619</startdate><enddate>19800619</enddate><creator>VALENTIN, GUENTER, 6701 RUCHHEIM</creator><creator>NIESWANDT, WERNER., 6940 WEINHEIM</creator><creator>KISSEL, ERNST</creator><creator>NEUMANN, ECKART</creator><creator>HOERAUF, WERNER</creator><creator>GUENTHER, ERNST</creator><scope>EVB</scope></search><sort><creationdate>19800619</creationdate><title>DE2242642</title><author>VALENTIN, GUENTER, 6701 RUCHHEIM ; 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| language | eng |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON HETEROCYCLIC COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING |
| title | DE2242642 |
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