Aqueous compositions of a UV-active agents, their production and use
US6723256B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 23, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Feb 23, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/25
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Aqueous dispersions (U) containing:(A) a UV-light-absorbing textile treatment agent and(B) a dispersant system containing(BX) a non-ionogenic, polymeric, hydrophilic dispersant or a mixture of such dispersants and(BY) a non-ionogenic or anionic, vinyl-polymeric, hydrophilic thickener or a mixture of such thickeners,and optionally at least one of the following further components:(BZ) at least one non-ionogenic or anionic surfactant other than (BX)(BW) at least one dispersing auxiliary other than (BY).(C) by-products and/or concomitants(D) at least one formulation additive and(E) at least one agent for setting the pHare particularly stable and are very useful for the UV-active finishing of textile material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.