http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10138328-B2
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_387abf6afc9a2cd5cfa5cd4d35f8b9fe |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2606 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2696 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2603 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G64-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G65-2663 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G64-34 |
filingDate | 2015-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2018-11-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9a10e6430540758c9040d62907b288a9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c24732bf853ae61e57b9f88d2ddefa7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_051bcf308445998958f97aba955e5393 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ecae65aaa7db15718a093b2ac7abf9fb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8895627399fc53a56abc221128fe0fac |
publicationDate | 2018-11-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-10138328-B2 |
titleOfInvention | Method for producing polyether carbonate polyols |
abstract | The invention relates to a method for producing polyether carbonate polyols, comprising the step of reacting alkylene oxide with carbon dioxide in the presence of an h-functional starter compound and double metal cyanide catalyst. The invention is characterized in that the method comprises the following steps: (α) optionally, pre-treating the double metal cyanide catalyst (DMC catalyst) at a temperature of 50 to 200° C. and/or reduced pressure (absolute) of 10 mbar to 800 mbar; (β) bringing the double metal cyanide catalyst in contact with suspension means, and furthermore, with alkylene oxide in the first reactor thus obtaining a first reaction mixture, and (γ) continuous added dosing of the first reaction mixture, alkaline oxide, and carbon oxide, and optionally, h-functional starter compound in a second reactor, wherein in at least one of the steps (β) or (γ), at least one h-functional starter compound is used, and wherein reaction products formed in step (γ) are continuously removed from the second reactor. |
isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11691955-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2023064622-A1 |
priorityDate | 2014-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 749.