Method of suppressing dust in piles and railcars using plasticized cellulose ethers
US9017767B2 · kind B2 · utility
2Cited by
100References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2012 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Oct 23, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dust preventing crust on an exposed surface of a mass of a dusting material is formed from a dried liquid solution of a non-ionic cellulose ether, a surfactant, and water. The strength of the crust is increased by adding a plasticizer to the liquid solution prior to drying the liquid solution on the mass of dusting material. The strength of the dust preventing crust is increased over a strength of a dust preventing crust produced from drying a fluid solution comprising the non-ionic cellulose ether, the surfactant and water prior to adding the plasticizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.