Polymer dye particles and process for making polymer dye particles
US6867251B2 · kind B2 · utility
8Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2001 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Dec 15, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2/44
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to a process for making polymer-dye particles comprising, in order: It further relates to composite polymer dye particles prepared by the above process and to composite polymer dye particles comprising a colorant phase containing a water insoluble dye, and a polymer phase, said particles being associated with a co-stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.