http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3505358-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ae8f24bf1b37d25409c7b9c13871f7bc |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M2205-04 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-3331 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-6882 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-912 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-323 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D167-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D167-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-333 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-323 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-91 |
| filingDate | 2018-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bc045f861473ca9a61679eaa5bbfa5eb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9ca137aca7970087c6dec8f6323e128d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a3828ebd846ba653ef18f8555dbc584b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7a89d259b7d42cf707611bcca8ecef5a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_442568e587974787f9acdfe0b2a5eef8 |
| publicationDate | 2019-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-3505358-A1 |
| titleOfInvention | Novel colour developer for a thermo-sensitive recording medium |
| abstract | The present invention provides an agent capable of reacting with a leuco dye upon heating, wherein said agent meets Formula (A-I):wherein: R1 and R2 are independently a hydrogen atom, a C1-C6 alkyl group, a C1-C6 alkoxy group or a halogen atom; R3, R4, R5 and R6 are independently a hydrogen atom, a C1-C6 alkyl group, a C3-C6 cycloalkyl group or a C2-C6 alkenyl group; X is O, S or NH; and, a and b are integer values meeting the conditions a ≥ 0, b ≥ 0 and (a+b) ≥ 1. The present invention also provides a thermosensitive recording medium having a colour developing layer comprising: a leuco dye; and, a colour developer which reacts with said leuco dye upon heating to form a colour layer, wherein said colour developer comprises an agent meeting said Formula (A-I). The present invention also relates to a coating composition for forming a heat-sensitive recording material or heat-sensitive recording layer, comprising one or more dye precursors and one or more colour developers based on lactic acid units, and also to a coating colour for forming a coating composition or a heat-sensitive recording layer, comprising one or more dye precursors and one or more colour developers based on lactic acid units, and further to a heat-sensitive recording material comprising a supporting substrate and a heat-sensitive recording layer of the invention, and also to a method of forming this heat-sensitive recording material and to the use of this heat-sensitive recording material. The present invention here also relates to such a coating composition or heat-sensitive recording layer as further contains at least one further colour developer not based on lactic acid units. The invention lastly also relates to a compound based on lactic acid units, preferably for use as a colour developer in the above context, to such a use itself, and to a method of forming this compound based on lactic acid units. |
| priorityDate | 2017-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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