Treatment of water or aqueous systems
US4089796A · kind A · utility
18Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1976 |
| Grant date | May 16, 1978 |
| Priority date | — |
| Expiry date | Jun 14, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Compositions for inhibiting corrosion and scale formation in aqueous systems which consist essentially of from 20 to 97.5% by weight of total composition of (a) a combination of zinc and hydrolyzed polymaleic anhydride and (b) 2.5 to 80% by weight of total composition of a corrosion inhibitor, particularly benzotriazole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.