Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03G9-122 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B33-04 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B33-04 |
filingDate |
1979-07-10^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
1981-01-27^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5aae888d6057d169d580214a8c7533a6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_88b0090fccfa2bd6e261ea58f169c7e5 |
publicationDate |
1981-01-27^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-4247459-A |
titleOfInvention |
Azo dye derivatives of 2,3-naphthalenediols |
abstract |
Azo dye compounds of substantially neutral density which are particularly useful in liquid electrographic developers and are of the formula: <IMAGE> wherein: R1 is hydrogen, -COOH, -CONH2, -SO2NH2 or -SO3M and M is a cation; R2 is a lower alkoxy radical, -OCH2CONH2, or <IMAGE> R3 is hydrogen or nitro; and R4 and R5 are the same or different lower alkyl or lower hydroxyalkyl radicals. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4414152-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3218758-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6112989-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5334435-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5378269-A |
priorityDate |
1979-07-10^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |