| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_75a9b43328a2cbfcf60da8b223a321c7 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-05
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C69-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-05
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C- |
| filingDate |
1980-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
1981-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
GB-2055810-A |
| titleOfInvention |
Improved acetoxylation process for the preparation of ethylene glycol esters |
| abstract |
An improved acetoxylation process is provided for the liquid phase preparation of ethylene glycol esters which process comprises reacting ethylene, molecular oxygen and acetic acid at a temperature of from 125 DEG C. to 200 DEG C. in the presence of a catalyst comprising tellurium and an appropriate source of bromide ions to give increased rates of reaction and minimize the production of higher molecular weight (glycolic acid-ethylene glycol ester) polymeric by-products as well as other heavy materials, and wherein the oxidation reaction is maintained at a partial pressure of oxygen of from 2 to 10 psia at the reactor outlet and a partial pressure of ethylene of from 15 to 50 psia at the reactor outlet with a total concentration of tellurium cation in the reaction system of between 0.1 to 0.5 wt % based on the total reaction mixture. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3659995-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110891928-A |
| priorityDate |
1979-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |