Magnetic imbiber polymers and method for the preparation thereof
US4416945A · kind A · utility
2Cited by
7References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 3, 1982 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Feb 3, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Magnetic imbiber polymers are prepared by grafting a water soluble polymer on the surface of an oil imbiber polymer and exposing the grafting imbiber polymer to a colloidal magnetic material such as magnetic iron oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.