| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e553651f1e0d23e577550d5e2b0623e |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-0213
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J21-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-0203
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-18 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D301-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J37-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-66
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J23-688 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-48
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-40
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J21-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J21-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J23-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J20-00 |
| filingDate |
2013-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2015-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e0066fea9203b5861d5bdca718d7f85b |
| publicationDate |
2015-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-9067198-B2 |
| titleOfInvention |
Calcination process for producing an improved ethylene oxide catalyst |
| abstract |
A method for producing a catalyst effective in the oxidative conversion of ethylene to ethylene oxide, the method comprising subjecting a refractory carrier impregnated with a liquid silver-containing solution to a calcination process, wherein the calcination process comprises a solvent removal step in which the silver-impregnated carrier is heated to a base temperature (T base ) of at least 80° C. and up to about 200° C. to produce a dry carrier impregnated with ionic silver, followed by a silver reduction step in which the dry carrier is gradually heated above the base temperature to a maximum temperature (T max ) of at least 350° C. and up to about 500° C. and then gradually cooled to the base temperature, wherein the method is conducted such that (T base −T max )×HW is at least 2000 min.° C. wherein HW is a full width at half maximum of a temperature versus time curve delineated by the silver reduction step. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11384059-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2018094078-A1 |
| priorityDate |
2012-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |