Formulations having benzoate dye carriers for meta-aramid articles
US10106926B2 · kind B2 · utility
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Key dates
| Filing date | Jun 9, 2016 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Jul 2, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/242
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Glycol ether benzoates, glycol benzoates and methyl benzoate facilitate the dyeing of the meta-aramid article, e.g., fibers, at or near neutral pH. The addition of an anionic surfactant, such as sodium lauryl sulfate, enhances the performance of the benzoates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.