| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_26bb3ef6de161dc7335f04eae39c4a9a |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-584 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J29-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C5-2724 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J29-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J29-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J38-20
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C15-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J38-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C5-27 |
| filingDate |
1980-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_925a22287224609edcba5d3e1b996723
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d29506986e33343f93e423a3c779a116
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8d4c2e3aa347f6c0e27f8a6a6a413105
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_00e41fe6a4744138a3801978a037ca56 |
| publicationDate |
1981-11-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4300014-A |
| titleOfInvention |
Process for isomerization of xylene |
| abstract |
A process for isomerizing xylenes, which comprises contacting an aromatic hydrocarbon feedstock containing mainly a xylene isomeric mixture containing ethylbenzene with a catalyst of a palladium-containing crystalline aluminosilicate in the vapor phase in the presence of hydrogen to continuously isomerize xylenes and simultaneously de-ethylate the ethylbenzene selectively; interrupting the isomerization reaction; introducing an oxygen-containing gas into a bed of the catalyst in which coke has been deposited during the isomerization reaction, to contact the catalyst with the oxygen-containing gas; burning off the coke deposits on the catalyst with the oxygen-containing gas by gradually increasing the temperature of introduction of the oxygen-containing gas from not more than 200 DEG C. to a temperature in the range of 330 DEG to 390 DEG C. with no part of the catalyst bed exceeding a maximum temperature of 400 DEG C. while controlling the hot spot temperature of the catalyst bed not to exceed 50 DEG C. throughout the burn-off period; reducing in hydrogen the catalyst from which the burnable coke deposits have been removed at least partly; and thereafter resuming the isomerization reaction in the presence of the regenerated catalyst. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10994268-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6323382-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009143218-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9963403-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103228357-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103228357-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4752595-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010298117-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8822363-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2002082159-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6051744-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112824363-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112824363-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0310163-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2015031231-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6710002-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4480144-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4876408-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2004069776-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4798816-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2012074613-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2009067331-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10011538-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2009067331-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6380119-B1 |
| priorityDate |
1980-08-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |