| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-252
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-46 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-25
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-07
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-43 |
| filingDate |
2002-09-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_68d20758e84912ab58433472c70615ad
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9aa7d033afc377bedaffc7c693a94174
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_71033da1bc5c0ccf9b80ed00f1a590fb |
| publicationDate |
2003-04-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2003065215-A1 |
| titleOfInvention |
Method for producing (meth)acrylic acid |
| abstract |
An object of this invention is to provide a method for producing acrylic acid that enables to suppress adverse influence of byproducts during distillation and to accomplish long-term continuous operation of the acrylic acid production apparatus. This invention is directed to a method for producing (meth)acrylic acid comprising the step of isolating (meth)acrylic acid from a liquid containing (meth)acrylic acid by distillation wherein the liquid contains glyoxal (including its hydrate) in a concentration of 0.1 mass % or less. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9062140-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9926449-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9775927-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8952116-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10358558-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8729191-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008119626-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100914107-B1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9090718-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2008161512-A1 |
| priorityDate |
2001-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |