| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_79b5f9d76648dfc226a261cfb970de9c |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B67-0026
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B47-30 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B67-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B47-30 |
| filingDate |
1970-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1972-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e5c45b269b08086eb78a8767503ca460
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b5eaa72148beaf88ba6708ad8b0b6b88 |
| publicationDate |
1972-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-3657272-A |
| titleOfInvention |
Process for preparing x-form metalfree phthalocyanine |
| abstract |
A PROCESS OF PREPARING X-FORM METAL FREE PHTHALOCYANINE COMPRISING THE STEPS OF MIXING PHTHALONITRILE IN AN AMMONIA-SATURATED ALKYLALKANOLAMINE SOLVENT, SEEDING THE MIXTURE WITH A CATALYTIC AMOUNT OF X-FORM PHTHALOCYANINE, HEATING SAID MIXTURE TO REFLUX TEMPERATURE AND MAINTAINING SAID TEMPERATURE FOR ABOUT 20 TO ABOUT 70 MINUTES, AND FILTERING THE HOT REACTION PRODUCT FORMED THEREBY IS DISCLOSED. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5367069-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4814441-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3927026-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5405954-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3420305-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5162518-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0269079-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0269079-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4508650-A |
| priorityDate |
1968-08-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |