| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bc7f2591447c28682fd719d8f1fd523b |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-31
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C65-21
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-06 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-35 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C65-21
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-157
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-31 |
| filingDate |
2003-03-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5c7c47dcad887d314e19cc0f77450b30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb3ee351175402b8f0286f64a819cf1a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_243c8fa6d646c66c12bd6f3d971baa9c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e1d556059eea9f4d62788e841dd9cc68 |
| publicationDate |
2004-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1490319-A2 |
| titleOfInvention |
Method for producing 3-hydroxy-2-methylbenzoic acid |
| abstract |
The invention relates to a method for producing 3-hydroxy-2-methylbenzoic acid or solutions containing salts of 3-hydroxy-2-methylbenzoic acid, with naphthalene as the starting substance. Said method essentially comprises the following steps: sulfonation, reaction with alkalis at high temperatures and the expedient preparation of the resultant reaction mixture. |
| priorityDate |
2002-03-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |