Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7f9af914ed2fb00cd4f1b8b1a28964e4 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-448 |
classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-44 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-185 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-188 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-25 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-448 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-00 |
filingDate |
1986-10-27^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
1988-10-25^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_56789034e57e08fd0eb8f276726aee3b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_24230ed34c6be381cbf972b8c40d4f64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e503e8f550b6bbde2d037d807afa3764 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_48c180256da875d3372590050706aeaf |
publicationDate |
1988-10-25^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-4780546-A |
titleOfInvention |
Method for production of N-phenyl and N-cyclohexyl maleimides |
abstract |
A method for the production of maleimides, which comprises subjecting maleinamic acids to ring-closure imidation in an organic solvent capable of forming an azeotrope with water in the presence of an acid catalyst at a temperature in the range of 120 DEG C. to 250 DEG C. while removing the formed water in the form of an azeotrope with said organic solvent and thereafter purifying the produced maleimides. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8283477-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010018926-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011124882-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5693739-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5306828-A |
priorityDate |
1984-06-18^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |