Mortar topping with calcium nitrite
US4398959A · kind A · utility
7Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1982 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Feb 25, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G23/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Reinforced concrete structures often suffer corrosion damage. This damage is repaired by removing the layer of distressed concrete around the metal reinforcement and filling in the removed area with a high content calcium nitrite-containing cement based composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.