Phosphinic acid-containing polymers and their use in preventing scale and corrosion
US5143622A · kind A · utility
7Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Jun 5, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/40
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention describes acrylamide, acrylic acid, polymers and co-polymers containing phosphinate groups to inhibit scale and corrosion caused by metal surfaces contacting industrial waters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.