Scale control
US4026874A · kind A · utility
6Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1975 |
| Grant date | May 31, 1977 |
| Priority date | — |
| Expiry date | Jun 25, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/283
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention concerns methods of imparting properties of scale resistance to surfaces upon which adherent scale is normally prone to form during contact with mineralized waters through the use of novel; polyurethane-type resins, characterized by containing pendant polyoxyalkylene chains attached to a basic polyurethane skeletal network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.