http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2022275230-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_127f85a6e091067723a0a9155d3b472d http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_37f4922dfb7777b019e504b885211b8e http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_08f4b01451b30369e00554abe498081f |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D11-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D11-17 |
| filingDate | 2020-08-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1deb5925255692fda3b20eb7aa864c43 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bd0966f032a5a4e708947452bcb6ef10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_57fd447d7155a37b60b14eb0dcc291c0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b9854b16667db13e961692eda806b60e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d5040ea37e213b410a2310319ae99692 |
| publicationDate | 2022-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2022275230-A1 |
| titleOfInvention | Process of preparation of an aqueous gel ink with fixed color comprising silver nanoparticles |
| abstract | The present invention concerns a process for preparing an aqueous gel ink with fixed color comprising the following steps: (i) preparing a gel-based matrix of aqueous ink; (ii) preparing an aqueous suspension of silver nanoparticles with fixed color by mixing silver salts with: water, a mixture of at least an alkali metal or alkaline earth metal salt of citrate, preferably an alkali citrate salt and an alkali metal hydride, preferably NaBH4, a further reducing agent, preferably ascorbic acid, and oxidizing agent, preferably hydrogen peroxide H2O2 (iii) adding under agitation the aqueous suspension of silver nanoparticles obtained in step (ii) to the gel-based matrix of aqueous ink obtained in step (i), to obtain an aqueous gel ink with fixed color with silver nanoparticles dispersed therein |
| priorityDate | 2019-08-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 235.