http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011104030-A1
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6bc8aefc289a8d59f22ef88e19b3c1a8 |
classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D2257-308 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02C20-40 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-1493 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01D53-48 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K3-00 |
filingDate | 2010-08-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bf794c781c70d4806b00d407e0899e76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eee21114de9d07097774004508929422 |
publicationDate | 2011-05-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-2011104030-A1 |
titleOfInvention | Composition and method for removal of carbonyl sulfide from acid gas containing same |
abstract | Novel solvent composition for selective removal of COS from a gas stream containing same, said composition comprisingn a) at least one polyalkylene glycol alkyl ether of the formula nn R 1 O-(Alk-O) n —R 2 (I)n orn 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone n orn a mixture of N-formylmorpholine and N-acetylmorpholine n wherein R 1 is an alkyl group having from 1 to 6 carbon atoms; R 2 is hydrogen or an alkyl group having from 1 to 4 carbon atoms; Alk is an alkylene group, branched or unbranched, having from 2 to 4 carbon atoms, and n is from 1 to 10; and b) at least one alkanolamine compound of the formula nn R 3 NHR 4 OR 6 (II)n or at least one piperazine compound of formula nn n n n n n n n n n n n n n wherein R 3 is hydrogen, an alkyl group having from 1 to 6 carbon atoms, or the R 4 OH group; R 4 is a branched or unbranched alkylene group having from 1 to 6 carbon atoms; R 5 , independently in each occurrence, is hydrogen or an hydroxyalkyl group having from 1 to 4 carbon atoms; and R 6 is hydrogen, an alkyl group having from 1 to 6 carbon atoms or an hydroxyalkyl group having from 1 to 4 carbon atoms. |
priorityDate | 2003-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 265.