| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d669af06cb2abbcd6823699582a97002 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-823
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-4269 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-82
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-08 |
| filingDate |
1970-07-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1973-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c67b3ae551e151adcd72734e899b517c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5b1b93b690b624aae4fc68648bddda52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_16df27dbbcafe11f98228fe88386a79b |
| publicationDate |
1973-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3726887-A |
| titleOfInvention |
Process of making polyesterpolyols |
| abstract |
POLYESTERPOLYOLS ARE MADE BY SUBJECTING A LACTONE OF THE FORMULA R-CH<(-O-CO-(C(-R)2)N-) IN WHICH R ISHYDROGEN OR ALKYL OF 1-10 CARBON ATOMS AND N IS AN INTERGER FROM 4 TO 10, TO POLYMERIZATION IN THE PRESENCE OF WATER, AN ALKALI HYDROXIDE, AN EARTH ALKALI HYDROXIDE OR A MIXTURE OF THESE HYDROXIDES OR OF WATER WITH THESE HYDROXIDES, THE WATER OR HYDROXIDES OR MIXTURES THEREOF BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 50 0.03 AND 1.0 MOLE FOR EACH MOLE OF LACTONE AND THE REACTION BEING EFFECTED AT A TEMPERATURE BETWEEN ABOUT 50 AND 300*C. THERE IS THUS FORMED AN W-HYDROXY-POLYLACTONE CARBOXYLIC ACID WHICH TEN IS ESTERIFIED WITH A POLYBASIC ALCOHOL TO FORM THE POLYESTERPOLYOL. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4438225-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4605724-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4291155-A |
| priorityDate |
1969-07-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |