Scale control agents
US3985671A · kind A · utility
7Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1974 |
| Grant date | Oct 12, 1976 |
| Priority date | — |
| Expiry date | Sep 26, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/14
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A synergistic blend of a polyaminoalkylenephosphonate and a polyquaternary ammonium chloride compound is used as a scale control agent for recirculating water cooling equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.