| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d648658dd620f548c24de39659a5e9e3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_60dc022f7c7c225a3a63069e7106a448
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_72484ab399fced5878cc3dab5d9e2d64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6b10ecb06ad08bd7f90671406246d8b0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3ce2bd9bdad56f9276a1b2722dccee28
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_faa62d25cce89aa1ada3709753a0fcda |
| classificationCPCInventive |
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
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D321-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D323-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D321-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D323-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D321-12 |
| filingDate |
2011-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f2ef926fc77c3c9913c44befa550ae45
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ef7450a8236f2fba193a36ce68b1d5a3
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_00ebcc898548a0642a05065bba6e8136
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b05d7b6c7f438fad20a831d710165c2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9f230bf90b5fc58a6fc79fc442a09aa9 |
| publicationDate |
2012-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2012330032-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-8969598-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2012330033-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9394271-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9382179-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9315485-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9440944-B2 |
| priorityDate |
2011-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |