Treatment of water or aqueous systems
US3963636A · kind A · utility
18Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1975 |
| Grant date | Jun 15, 1976 |
| Priority date | — |
| Expiry date | May 8, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/939
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Method for inhibiting the corrosion and scale forming tendencies of water or an aqueous system which comprises treating the water or aqueous system with from 0.1 to 500 p.p.m. of an additive combination comprising zinc and hydrolysed polymaleic anhydride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.