http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3730755-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_893465b5a321f5491ad2e2fe60b0240b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B11-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-1455 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-145 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B11-24 |
| filingDate | 1971-01-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1973-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fb57b2a2778f52535043dba318f631fc |
| publicationDate | 1973-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3730755-A |
| titleOfInvention | Pressure-sensitive record materials |
| abstract | A CHROMOGENIC MATERIAL OF NORMALLY COLORLESS FORM IS DISCLOSED, HAVING THE STRUCTURAL FORMULA: 6''-((R4)2-N-),4''-R,3''-R1,2''-R2,3-(O=),R3-SPIRO(PHTHALAN- 1,9''-XANTHENE) WHEREIN ON OF R, R1, R2, AND R3 REPRESENTS A NITRO- OR AMINO-RADICAL AND THE REMAINING OTHER OF R, R1, R2, AND R3 COMPRISE HYDROGEN, HALOGEN, PHENYL AND ALKYL RADICALS AND R4 REPRESENTS ALKYL RADICALS HAVING LESS THAN FIVE CARBONS, SAID MATERIAL ASSUMING A COLORED FORM UPON REACTIVE CONTACT WITH A LEWIS ACID MOLECULE. EXAMPLES INCLUDE 6''DIETHYLAMINO - 2'' -NITROFLUORAN, 6''-DIETHYLAMINO-2''-METHYL4'' - NITROFLUORAN, 2'' - CHLORO-6''-DIETHYLAMINO 3''-METHYL-5NITROFLUORAN, AND 6 - AMINO-2''-CHLORO-6''-DIETHYLAMINO-3''METHYLFLUORAN. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4187193-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5017710-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5395948-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4104437-A |
| priorityDate | 1969-01-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 61.