| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f4e4764a271ebdb8fe0b601cb956eb36 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2529-70
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2208-00017
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-582
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2208-00539 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C5-2737
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2-865
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-7007
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2-864
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-70
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-7034
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-7038
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C15-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C5-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J8-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J8-0278 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C2-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C5-27
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J8-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J29-70 |
| filingDate |
2017-09-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e593272e5d6196a066949803b9d3d85a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c085b18c8ccaa7f370f44beabf825ab0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b38060249aff9ac0c6d222827a849071
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d24c351482f4995b004cb2dc86307c77 |
| publicationDate |
2019-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2019218159-A1 |
| titleOfInvention |
Process for Methylating Aromatic Hydrocarbons |
| abstract |
In a process for producing paraxylene, a hydrocarbon feedstock comprising benzene and/or toluene is contacted with an alkylating reagent comprising methanol and/or dimethyl ether in an alkylation reaction zone under alkylation conditions in the presence of an alkylation catalyst to produce an alkylated product comprising xylenes. The alkylation catalyst comprises a molecular sieve having a Constraint Index ≤5, and the alkylation conditions comprise a temperature less than 500° C. At least part of the alkylated product is supplied to a paraxylene recovery unit to recover paraxylene and produce a paraxylene-depleted stream, which is then contacted with a xylene isomerization catalyst under conditions effective to isomerize xylenes in the paraxylene-depleted stream and produce an isomerized stream having a higher concentration of paraxylene than the paraxylene-depleted stream. At least part of the isomerized stream is then recycled to the paraxylene recovery unit to recover the paraxylene therein. |
| priorityDate |
2016-10-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |