| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d50a5d08fff80f620aa6f328cd9bc85e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G71-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G71-04 |
| filingDate |
1992-11-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1993-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ceac4f3b618cecf63ec9a37b58e2b809
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_94474ab8bb41287ace0fc0c8cd4754a4 |
| publicationDate |
1993-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5242997-A |
| titleOfInvention |
Poly(N-phenyl urethane) from poly(N-substituted iminocarbonate) |
| abstract |
Poly(N-phenyl urethanes) and methods of preparing same by heating poly(N-phenyl iminocarbonates) to a temperature above 250 DEG C. so that the backbone of the polyiminocarbonate rearranges to form the poly(N-phenyl urethane). Poly(N-substituted iminocarbonates and methods of preparing same by suspending a dialkaline diphenol in an aprotic solvent at a basic pH and adding to the suspension an N-substituted iminophosgene. Methods for making heat-stable articles by forming an article from a poly(N-phenyl iminocarbonate) while heating the article to a temperature above about 250 DEG C. so that the poly(N-phenyl iminocarbonate) rearranges to form a poly(N-phenyl urethane). |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7947071-B2
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7763065-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9314354-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9149378-B2
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2011127452-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8545547-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9173751-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7115785-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9066827-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8292944-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7914574-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8172894-B2 |
| priorityDate |
1990-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |