Compositions for inhibiting corrosion of metal surfaces
US4511404A · kind A · utility
2Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1983 |
| Grant date | Apr 16, 1985 |
| Priority date | — |
| Expiry date | Nov 2, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Corrosion inhibiting compositions for ferrous and non-ferrous metal surfaces comprise one or more crystalline polyphosphates, e.g. a strontium tripolyphosphate. The compositions have particular application in the preparation of corrosion inhibiting paint compositions. A method of preparation of the polyphosphate materials is described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.