Water treatment agent
US5149439A · kind A · utility
7Cited by
7References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 30, 1992 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Jan 30, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An agent for the treatment of water containing dissolved aluminum comprises a particulate alkali metal or quaternary ammonium silicate, the particles having a coating of a water-insoluble silicate over at least a part of their surface, and a process of treating water which comprises dissolving the agent in the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.