| Predicate |
Object |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G69-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G69-14 |
| filingDate |
2001-12-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d03b48c127f3572df3b3cb2d92a28ed0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c1965e17b0ae09b1289160441e42cff4
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_742ff4cb55c379bf9259c9a9c42c5f9e |
| publicationDate |
2004-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2004054123-A1 |
| titleOfInvention |
Polyamide prepolymer, polyamide, and process for producing these |
| abstract |
A mixture substantially comprising caprolactam and water is heated for at most 30 minutes to obtain a polyamide prepolymer having an amino end group content of at least 0.1 mmol/g and a cyclic oligomer content of at most 0.6% by weight. An aqueous solution of caprolactam having a water content of from 2 to 20% by weight is heated under pressure at a temperature of from 200 to 330° C. for 1 to 30 minutes to obtain a polyamide prepolymer having an amino group content of at least 0.1 mmol/g and a cyclic oligomer content of at most 0.6% by weight. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112566764-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8629237-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2013131305-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9688844-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110894356-A |
| priorityDate |
2000-12-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |