http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109939566-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02A50-20 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/F01N3-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01D53-94 |
| filingDate | 2019-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109939566-B |
| titleOfInvention | Anti-crystallization low-temperature-resistant automobile urea solution and preparation method thereof |
| abstract | The invention discloses an anti-crystallization low-temperature-resistant automobile urea solution and a production process thereof, wherein the urea solution is composed of urea with low biurea content, a modified anti-crystallization agent, a modified cold-resistant agent, an antioxidant, a magnetized hydroxymethyl cellulose solution and ultrapure water; the method comprises the following steps: preparing urea with low biuret content; preparing pure water; preparing a vehicle urea solution primary product; preparing a urea solution for vehicles; the invention effectively improves the product quality of crystallization prevention and low temperature resistance of the automobile urea solution on the premise of not increasing the emission, greatly reduces the polymerization capacity and keeps the excellent stability of the product. |
| priorityDate | 2019-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.