Viscoelastic sound-absorbing polyurethane foam and preparation method thereof
US-9790314-B2 · Oct 17, 2017 · US
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Wanhua Chemical (Ningbo) Co Ltd patents in 2017
Wanhua Chemical (Ningbo) Co Ltd was listed as an assignee on 5 patent publications in 2017.
| Metric | Value |
|---|---|
| Company | Wanhua Chemical (Ningbo) Co Ltd |
| Year | 2017 |
| Patents | 5 |
Patents
Representative publications for Wanhua Chemical (Ningbo) Co Ltd in 2017.
Method for preparing 3-aminomethyl-3,5,5-trimethyl cyclohexylamine
US-9624162-B2 · Apr 18, 2017 · US
Process for preparing TDI isocyanurate
US-9593089-B2 · Mar 14, 2017 · US
Method for preparing diamino-dicyclohexyl methane
US-9580380-B2 · Feb 28, 2017 · US
Method for preparing catalyst used for preparing chlorine, catalyst and method for preparing chlorine
US-2017001178-A1 · Jan 5, 2017 · US
Top CPC classifications
Most common classification codes for Wanhua Chemical (Ningbo) Co Ltd in 2017.
| CPC | Patents |
|---|---|
| C07C2101/14 | 2 |
| C07C211/36 | 2 |
| C07C2601/14 | 2 |
| B01J21/02 | 1 |
| B01J21/12 | 1 |
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