| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2f38d704885b01baa592e320e26a8053 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P1-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B49-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06P3-6025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B21-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06P1-30
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B49-02 |
| filingDate |
2020-02-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_721c512cf17a3b2de96b9326cd9835b8 |
| publicationDate |
2021-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3927778-A1 |
| titleOfInvention |
Process for dyeing a cellulose based article by using of recycled sulphur black dye |
| abstract |
The present invention relates to a novel process for dyeing of a cellulose based article comprising recovery of Sulphur Black dyes in an effluent of a dyeing process, reducing the Sulphur Black dyes with sulfide free agents to form solubilized pigments in leuco form and using of the recycled dye in a subsequent dyeing operation. |
| priorityDate |
2019-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |