http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-550253-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7f9af914ed2fb00cd4f1b8b1a28964e4 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-26 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-24 |
| filingDate | 2000-09-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2003-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_23e184fb9e416fb308b19c0dea4d8bdb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_77f71b6516f26bfcf2fa59bc5bb32e4c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_adb037f25d2e6d5e7430b596a0b7a957 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ca3a53334a2f58f137da86999f46d4f1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1b36f80b2a97eba9606abad22dec0dda |
| publicationDate | 2003-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-550253-B |
| titleOfInvention | Production process for hydroxyalkyl (meth)acrylate |
| abstract | A production process for a hydroxyalkyl (meth)acrylate, which comprises the steps of carrying out a reaction between (meth)acrylic acid and an alkylene oxide and stripping the unreacted residue of the alkylene oxide from the resultant reaction liquid, wherein: (1) the stripping step is performed by use of an inert gas, and the concentration of oxygen in the inert gas is adjusted in the range of 0.1 to 5 mol %; (2) the concentration of the unreacted residue of the (meth)acrylic acid in the resultant reaction liquid is suppressed to not higher than 10 weight %; (3) the difference in operational pressure between the stripping step and the absorption step of causing a solvent to absorb the stripped alkylene oxide is suppressed to not more than 1,000 hPa; (4) the reaction liquid resultant from the reaction is directly supplied to the stripping step without being heated; (5) a part of the liquid left behind in the stripping step is heated and then supplied to the stripping step again; (6) a hydroxyalkyl (meth)acrylate solution is used as the absorbing solvent; (7) a part of the liquid resultant from the absorption step is cooled and then supplied to the absorption step again; or (8) a part or the whole of the absorbing liquid which is on the way of the absorption step is extracted and then cooled and then supplied to the absorption step again. |
| priorityDate | 1999-10-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.