Use of alkanesulfonic acid as agent for cleaning cement, mortar and concrete
US8197605B2 · kind B2 · utility
5Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2009 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Nov 30, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/24
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to the use of at least one alkanesulfonic acid of formula R—SO3H, in which R represents a saturated, linear or branched, hydrocarbon chain containing 1 to 4 carbon atoms, as agent for cleaning cement, mortar, concrete, lime, laitance and other derived products. The invention also relates to a method of cleaning cement, mortar, concrete, lime, laitance and other derived products using at least one alkanesulfonic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.