| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a2973a1bdaf87d5184fb1e81ebe5d061 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G2-10 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G2-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G2-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G2-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G65-10 |
| filingDate |
1994-06-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_050caf49d33f441440594c5d826ec712
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ecd26468c9a0d43272af9b69b9899fb1
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_59efdf812533c57f7287b32179f2d7f2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9f5d08241536f71498fcb36ded547c70 |
| publicationDate |
1994-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0629644-A2 |
| titleOfInvention |
Process for the preparation of a polyoxymethylene terpolymer |
| abstract |
A process for the preparation of a polyoxymethylene terpolymer having a high degree of polymerization and improved heat stability comprises copolymerizing trioxane as a principal monomer with a cyclic ether or cyclic formal as a comonomer and a polyfunctional glycidyl compound having at least two epoxy groups in its molecule as a third component in the presence of boron trifluoride or a coordination compound thereof as a catalyst, the total amount of the impurities causative of the formation of unstable ends contained in the reaction system being regulated to 1 x 10⁻² mole % or below based on the whole amount of the monomers; the catalyst for the copolymerization being used in an amount of 1 x 10⁻³ to 1 x 10⁻² mole % based on the whole amount of the monomers; and the copolymerization being followed by the cooling of the product to a temperature of 45°C or below within 30 seconds to deactivate the catalyst. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1270629-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110643006-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7745548-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8993709-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8445107-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8445576-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7906609-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-102005062326-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1270629-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8354495-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007009925-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-10340977-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8410227-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-10340977-B4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8362136-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8362122-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8362146-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-1105128-C
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8263716-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8278381-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8293823-B2 |
| priorityDate |
1993-06-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |