Methods and compositions for short term residual dust suppression
US5409626A · kind A · utility
15Cited by
13References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 28, 1993 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | May 28, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K3/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous short term residual dust suppressant is disclosed. The suppressant comprises from about 50 parts by weight to about 2,000 parts by weight water per part by weight of a combination of an anionic foamer and a nonionic or anionic wetter in a foamer to wetter weight ratio of from about 1:1 to about 1:20. Pre-mix concentrates and methods for dust suppression with such suppressants are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.