| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_15cd0d44129f1048dab2f1034e6f4e93 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-916 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-91
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-02 |
| filingDate |
1990-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e9632ae033f1f4a03715f9079223c14a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eb9c42e0de02b2723b94f4f7f95cadbb |
| publicationDate |
1991-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2023759-A1 |
| titleOfInvention |
Reduction of acidity of polyesters by melt reaction endcapping with eneamines or schiff bases |
| abstract |
A method for the melt reaction of polyesters, particularly polyethylene terephthalate, with an endcapping agent which reacts with terminal carboxyl groups of the polyester. The endcapping agents are selected from the group consisting of eneamines and Schiff bases. |
| priorityDate |
1989-08-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |