Water-based magnetic coating composition
US4493778A · kind A · utility
11Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 14, 1982 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Jul 14, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosure is made of an improved aqueous magnetic coating composition employing a polyacrylic latex polymer as a dispersant. As preferred embodiments, the composition further comprises a polymeric binder having both hard and soft components, as well as the inclusion of flow agents, antifoaming agents, wetting agents and lubricants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.