Method of controlling and removing ice and snow from roads and bridges
US4153473A · kind A · utility
7Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1978 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Mar 1, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B14/06
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of controlling and removing ice and snow from roads and bridge deckings in a substantially non-corrosive manner by applying calcium nitrite to such areas at a rate of from 1 to 50 tons per two-lane mile. The present method is particularly applicable to the control and removal of snow and ice from roads and bridges formed from hydraulic cement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.