http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0265524-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G75-0254 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G75-0213 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G75-0281 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J3-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G75-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G75-0281 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G75-06 |
| filingDate | 1987-03-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1992-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1992-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0265524-B1 |
| titleOfInvention | Process for removing impurities from polyphenylene sulfide resin |
| abstract | A process for removing impurities from polyphenylene sulfide resin, which comprises mixing and heating powdery polyphenylene sulfide resin and a solvent selected from among (I) to (IV) and, after well bringing them into contact with each other in a partially dissolved state, cooling and filtering the mixture, and washing it with a solvent which can not dissolve the polyphenylene sulfide resin to thereby remove impurities from the resin with high efficiency: (I) a solvent selected from among dimethyl sulfoxide, sulfolane, glycerin, ethylene glycol, and diethylene glycol, alone or a mixture thereof; (II) a mixture of a solvent selected from among dimethyl sulfoxide, sulfolane, glycerin, ethylene glycol, and diethylene glycol with alpha-halogenated naphthalene or biphenyl; (III) a mixture of one or more solvents selected from among a mixture of item (II), benzyl alcohol, sulfolane, and glycerin with N-methyl-2-pyrrolidone; and (IV) a mixture of a solvent of item (I) or N-methyl-2-pyrrolidone with water. |
| priorityDate | 1986-03-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 79.