| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7073bac5657e4b152760cce91c32920f |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-86 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-88
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-86
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-07 |
| filingDate |
1989-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6b7f02ca74d44c6380fc798f9d6d0567
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0549e0c68a7679b385fe3af1d890e904
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_878e9f1dc49395eeaab6e666642079cb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_30457c742d8387609300cde3ae6dbfdb |
| publicationDate |
1994-01-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
PL-162993-B1 |
| titleOfInvention |
A method for simultaneous removal of bases and desulfurization of phenol EN EN EN EN PL |
| abstract |
A method of simultaneous removal of bases and desulphurization of crude phenol or phenol fraction from coal tar or from the hydrogenation treatment of coal, characterized in that 1 to 5% by weight of phthalic anhydride is added to the phenols, heated to 5 to 30 hours to temperature 100-180 ° C and distilled. PL PL PL PL PL |
| priorityDate |
1988-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |