Phthalocyanine-containing granules to decrease phthalocyanine deposition on textiles
US9534192B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2013 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Apr 2, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to compositions comprising granules of phthalocyanine compounds, to a process for the preparation thereof, and to the use thereof in washing agent and additive formulations. The composition comprises a) At least one water-soluble phthalocyanine compound; b) At least one cross-linked polyvinylpyrrolidone component; c) At least one hydrophilic binding agent; and, optionally, d) Further additives suitable for the preparation of solid agglomerates; and may be liquid, solid, paste-like or gel-like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.