On April 18, 2019, Miracle, Gregory Scot; Valenti, Dominick Joseph; Dey, Sanjeev Kumar; Qin, Haihu; Freund, Wesley A. published a patent.Formula: C13H16N2O2 The title of the patent was Leuco colorants as bluing agents in laundry care compositions. And the patent contained the following:
A laundry care composition including (a) at least one laundry care ingredient and (b) at least one fluorescent moiety covalently bound to at least one second moiety selected from the group consisting of leuco moieties and chromophore moieties. A method of treating a textile includes the steps of (a) providing such a laundry care composition; (b) adding the laundry care composition to a liquid medium; (c) placing textile articles in the liquid medium; (d) optionally, rinsing the textile; and (e) drying the textile articles. The experimental process involved the reaction of 4-(4-Acetylpiperazin-1-yl)benzaldehyde(cas: 890092-19-0).Formula: C13H16N2O2
The Article related to leuco colorant bluing laundry care, Surface Active Agents and Detergents: Dry-Cleaning Solvents and Laundering Detergents (Cleaning Of Finished Garments) and other aspects.Formula: C13H16N2O2
Referemce:
Piperazine – Wikipedia,
Piperazines – an overview | ScienceDirect Topics