| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_686ffd34afd4ece60db2bd22f3cf3da9 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3375
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3275 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3275
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3333
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C309-76
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3375 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-327
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-337 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-333
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-73 |
| filingDate |
2021-03-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fcd7de1e729b99c4454da399718d4451
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b79de558261ffe085aa9e543562fb898 |
| publicationDate |
2021-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2021223939-A1 |
| titleOfInvention |
Heat-sensitive recording material |
| abstract |
Described are colour developers of formula (I) Ar 1 -NH-CO-NH-C 6 H 4 -SO 2 -O-C 6 H 4 -NH-CO-NH-Ar 2 (I), a heat-sensitive recording material, comprising a base substrate and at least one heat-sensitive, colour-forming layer comprising at least one colour former and at least one phenol-free colour developer, the at least one colour developer being the compound of formula (I), and a method for producing this heat-sensitive recording material. |
| priorityDate |
2020-05-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |