Method for manufacturing ether polycarboxylic acids
A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents at temperatures of 200 DEG C to 350 DEG C und...
Gespeichert in:
| Hauptverfasser: | , , , |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | TISCHBIREK GUNTHER KRAUSE HORST-JURGEN |
| description | A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents at temperatures of 200 DEG C to 350 DEG C under pressure, acidify the resulting alkali metal salt of an ether polycarboxylic acid and recovering the ether polycarboxylic acid. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US3956383A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US3956383A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US3956383A3</originalsourceid><addsrcrecordid>eNrjZDD2TS3JyE9RSMsvUshNzCtNS0wuKS3KzEtXAIqnFikU5OdUJicWJeVXVOZkJiskJmemFPMwsKYl5hSn8kJpbgZ5N9cQZw_d1IL8-NTigsTk1LzUkvjQYGNLUzNjC2NHY8IqAIsCLFo</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Method for manufacturing ether polycarboxylic acids</title><source>esp@cenet</source><creator>TISCHBIREK; GUNTHER ; KRAUSE; HORST-JURGEN</creator><creatorcontrib>TISCHBIREK; GUNTHER ; KRAUSE; HORST-JURGEN</creatorcontrib><description>A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents at temperatures of 200 DEG C to 350 DEG C under pressure, acidify the resulting alkali metal salt of an ether polycarboxylic acid and recovering the ether polycarboxylic acid.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; APPARATUS THEREFOR ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; GENERAL METHODS OF ORGANIC CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1976</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=19760511&DB=EPODOC&CC=US&NR=3956383A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19760511&DB=EPODOC&CC=US&NR=3956383A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TISCHBIREK; GUNTHER</creatorcontrib><creatorcontrib>KRAUSE; HORST-JURGEN</creatorcontrib><title>Method for manufacturing ether polycarboxylic acids</title><description>A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents at temperatures of 200 DEG C to 350 DEG C under pressure, acidify the resulting alkali metal salt of an ether polycarboxylic acid and recovering the ether polycarboxylic acid.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>APPARATUS THEREFOR</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>GENERAL METHODS OF ORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1976</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD2TS3JyE9RSMsvUshNzCtNS0wuKS3KzEtXAIqnFikU5OdUJicWJeVXVOZkJiskJmemFPMwsKYl5hSn8kJpbgZ5N9cQZw_d1IL8-NTigsTk1LzUkvjQYGNLUzNjC2NHY8IqAIsCLFo</recordid><startdate>19760511</startdate><enddate>19760511</enddate><creator>TISCHBIREK; GUNTHER</creator><creator>KRAUSE; HORST-JURGEN</creator><scope>EVB</scope></search><sort><creationdate>19760511</creationdate><title>Method for manufacturing ether polycarboxylic acids</title><author>TISCHBIREK; GUNTHER ; KRAUSE; HORST-JURGEN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US3956383A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1976</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>APPARATUS THEREFOR</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>GENERAL METHODS OF ORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TISCHBIREK; GUNTHER</creatorcontrib><creatorcontrib>KRAUSE; HORST-JURGEN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TISCHBIREK; GUNTHER</au><au>KRAUSE; HORST-JURGEN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for manufacturing ether polycarboxylic acids</title><date>1976-05-11</date><risdate>1976</risdate><abstract>A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents at temperatures of 200 DEG C to 350 DEG C under pressure, acidify the resulting alkali metal salt of an ether polycarboxylic acid and recovering the ether polycarboxylic acid.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_epo_espacenet_US3956383A |
| source | esp@cenet |
| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Method for manufacturing ether polycarboxylic acids |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-12T21%3A50%3A52IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=TISCHBIREK;%20GUNTHER&rft.date=1976-05-11&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS3956383A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |