Non-dusting effect pigment preparation
US10513615B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2019 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Feb 12, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pigment pellet preparation, comprises one or more effect pigment and one or more thermosetting resin. The effect pigment is dispersed in the thermosetting resin. The thermosetting resin has 3 or more reactive terminal groups and has an acid number from about 10 to about 50 mg KOH/g resin. The preparation comprises from about 70% to about 90% by weight of one or more effect pigment and from about 5% to about 35% by weight of one or more thermosetting resin. The pigment and thermosetting resin comprise about 95% or more of the preparation. The pellets have a diameter of about 0.5 mm to about 5 mm and a length of about 1 mm to about 5 cm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.