Hydrogen sulfide scavenger
US9441092B2 · kind B2 · utility
2Cited by
1References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jan 31, 2014 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Oct 6, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L95/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present disclosure is related to a family of metals chelates for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof. The metal chelates, in particular amino acid metal chelates, are particularly efficient at reducing the hydrogen sulfide emissions of asphalt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.