Carbon black composition for manufacturing particulate magnetic recording medium and method of manufacturing particulate magnetic recording medium
US10640669B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Sep 29, 2016 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Apr 30, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B5/7334
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The carbon black composition for manufacturing a particulate magnetic recording medium contains carbon black, vinyl chloride resin containing one or more epoxy groups, the secondary monoamine denoted by formula 1, and solvent,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.