http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H04261179-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b4956374e238689b820a3469ca82b9e0 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-327 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-145 |
| filingDate | 1991-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c69e4936ba58028ec8d8506963d2309f http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f263507a1d7e1a5035f30c84f96b0a87 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38e820098cc55acf3cb36da0a0c82366 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1d46215c48bcdc2524bead701295cfe1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1b28195ed66c55a57b0cd6e144297027 |
| publicationDate | 1992-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H04261179-A |
| titleOfInvention | Fluoran compound and recording material using said compound |
| abstract | PURPOSE: To obtain a new fluoran compound useful as a coloring agent for pressure-sensitive recording material and heat-sensitive recording material, reacting with an electron acceptor coupler and changing from blackish green to reddish black. n CONSTITUTION: A compound shown by the formula (R 1 is 1-4C alkyl; R 2 is 5-6C alkyl; R 3 is 1-4C alkyl) such as 2-(N-methyl-3,4-dichloroanilino)-6-N-methyl- N-n-amylaminofluoran. The compound shown by the formula is obtained by reacting 2-(2-hydroxy-4-N-ethyl-N-isomaylaminobenzoyl)benzoic acid with N- methyl-3',4'-dichloro-4-methoxydiphenylamine in the presence of a condensation agent (e.g. conc. sulfuric acid), treating the prepared reaction product with an aqueous solution of alkali (e.g. aqueous solution of caustic soda) and purifying with a solvent such as toluene. n COPYRIGHT: (C)1992,JPO&Japio |
| priorityDate | 1991-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.