| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b81c3ecc9a3bd192c754216816991d8a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_33dafb5bbc2ec47ebcb7becbbe60f704 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-235
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2531-845
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2500-01
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-7027
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2531-025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F4-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2438-01
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2500-03 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F6-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F8-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F118-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-2234
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F16-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F18-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-38 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F6-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F18-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F16-06 |
| filingDate |
2017-03-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c186c3f680808e571682db14bd132fac
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_40a79012c4cd3120f9ad39a93ec8edb5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cbac262c81cf466cd3e5b01694fd07e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_12a931643c0167217a0f964cc4d6de30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8cff1fd3c6439d1bb63d6fac52027d9f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8d147ff59287b5f5ab9729dc18a9183c |
| publicationDate |
2017-10-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2017170974-A1 |
| titleOfInvention |
Polyvinyl alcohol and method for producing same |
| abstract |
According to the present invention a polyvinyl alcohol is produced by performing: a polymerization step wherein a polymer solution containing a polyvinyl ester is obtained by polymerizing a vinyl ester monomer by means of controlled radical polymerization in the presence of a radical initiator and an organic cobalt complex; an extraction step wherein a cobalt complex is extracted from the polymer solution by bringing the polymer solution into contact with an aqueous solution containing a water-soluble ligand; and a saponification step wherein a polyvinyl alcohol is obtained by saponifying the polyvinyl ester after the extraction step. Consequently, the present invention provides a method for producing a polyvinyl alcohol which has narrow molecular weight distribution, high number average molecular weight and good hue, while exhibiting good solubility in water. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7149537-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2019013267-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2019013267-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2019066533-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-I812760-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2020017417-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2022191288-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7042583-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11261270-B2 |
| priorityDate |
2016-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |