Method of inhibiting corrosion in aqueous systems
US5256332A · kind A · utility
17Cited by
2References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Nov 19, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A low phosphorus process for controlling corrosion in aqueous systems by adding to the aqueous system an effective amount of a composition comprising orthophosphate, azole, polyepoxysuccinic acid and the copolymer of acrylic acid and allyl hydroxypropyl sulfonate ether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.