| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_08f4b01451b30369e00554abe498081f |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B43K7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B43K8-024 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-17
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-16 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D11-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D5-26 |
| filingDate |
2020-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d8fefdad8f76956642c197f8cafad71c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_80969801936ae89708f1196e9316a17b |
| publicationDate |
2021-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3904468-A1 |
| titleOfInvention |
Method for preparing thermochromic water-based gel ink compositions, and thermochromic water-based gel ink compositions thereof |
| abstract |
The present invention relates to a method for preparing a thermochromic water-based gel ink composition, as well as a thermochromic water-based gel ink composition thereof comprising a specific monocarboxylic or polycarboxylic acid. The present invention also concerns a writing instrument, such as a ballpoint pen, a brush pen, a marker, a highlighter, and a felt pen, comprising a thermochromic water-based gel ink composition according to the invention. |
| priorityDate |
2020-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |