http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-2744402-C
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f02ba0dcfdf3e9b42dac82aa20fec393 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F20-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-31 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-60 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-60 |
| filingDate | 2009-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e14672ce7bb963f51e604a083181545e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ce2fd09629a306a6aecb4d18ba95720c |
| publicationDate | 2018-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-2744402-C |
| titleOfInvention | Methyl methacrylate purification process |
| abstract | A process for purifying methyl methacrylate (MMA) is described. The process involves contacting liquid MMA having impurities therein with a sulphonic acid resin, in the presence of formaldehyde or a suitable source of methylene or ethylene of formula I. R5 and R6 are independently selected from C1-C12 hydrocarbons or H; X is either O or S; n is an integer from, 1 to 100; and m is 1 or 2: The compound of formula I may be suitable source of formaldehyde. |
| priorityDate | 2008-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 112.