| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d648658dd620f548c24de39659a5e9e3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D317-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D319-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D323-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D321-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D323-00 |
| filingDate |
2014-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e642841dda7cf67493ceaf2931660db1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_284dfa0e381ae00154ae0acc30e59dbe
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_40ac670981b4bf2a741c8b1345f09fa6
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4fdec504dc1941059100e3c47553a95e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3bdbb11595df83a627fc9c25bcc2a6d0 |
| publicationDate |
2014-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2014330029-A1 |
| titleOfInvention |
Production of cyclic acetals or ketals using solid acid catalysts |
| abstract |
A process for making a cyclic compounds such as cyclic acetal or cyclic ketones by feeding aldehyde or ketone compounds and polyhydroxyl compounds to a reaction zone at a molar ratio of polyhydroxyl compounds to aldehyde or ketone compounds of at least 3:1, reacting these compounds in the presence of a solid acid such as an acidic ion exchange resin, to generate a liquid reaction mixture without separating water from the reaction mixture as it is being formed in the reaction mixture, withdrawing the liquid reaction mixture from the reaction zone as a liquid product stream, and feeding the liquid reaction product stream to a distillation column to separate cyclic acetal compounds from unreacted polyhydroxyl compounds, and optionally recycling back the unreacted polyhydroxyl compounds to the reaction zone. The process produces cyclic acetal compounds in yields of at least 90% with long catalyst life. The process is also suitable to make cyclic ketals from ketone compounds. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9315485-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9394271-B2 |
| priorityDate |
2011-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |