| abstract |
The present invention relates to a process for inhibiting (quenching) the effect of fluorescent whitening agents on cellulosic textile fibre materials treated, being treated or to be treated with fluorescent whitening agents, by the application of certain triazine-based ultra-violet absorption agent (UVAs), preferably those of formula (10) in which M, n1, n2, R9 and R10 are as defined in claim 2 and to the material so treated and also to processes for decontaminating detergent manufacturing apparatus and recycled industrial laundry water containing residual fluorescent whitening agent (FWAs). |