Carboxylate N-vinylamide copolymers for internal scale control and passivation in high pressure boiler systems
US4711726A · kind A · utility
8Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1986 |
| Grant date | Dec 8, 1987 |
| Priority date | — |
| Expiry date | Dec 29, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Copolymers of acrylic or methacrylic acid with certain N-vinyl amides are excellent treating agents to prevent scale and corrosion caused by boiler waters in contact with heat transfer surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.