Triazine derivative dye transfer inhibitors, washing products containing the same and uses therefor
US8263541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2006 |
| Grant date | Sep 11, 2012 |
| Priority date | — |
| Expiry date | Mar 10, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/0021
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Washing products which comprise a dye transfer inhibitor selected from the group consisting of triazine derivatives of the general formulae I, II, III and combinations thereof:T(NH—Ar(SO3Na)a)bHalc (I)X(NH-T(NH—Ar(SO3Na)a)eHalf)2 (II)X(NH-T(NH—Ar(SO3Na)d—NH-T(NH—Ar(SO3Na)a)Hal)Hal)2 (III)wherein T represents a 1,3,5-triazinyl residue; each Ar independently represents a naphthalene or benzene moiety; X represents a divalent hydrocarbyl moiety selected from the group consisting of linear or branched C1-20 hydrocarbon groups which may optionally include one or more —N(H)— carbon chain interruptions, stilbene groups and biphenyl groups which may optionally be mono- or poly-SO3Na-substituted; each Hal independently represents a halogen selected from the group consisting of chlorine, bromine, and iodine; each of a and d independently represents 1, 2 or 3; b and c each represent 1 or 2 such that b+c=3; e represents 1 or 2 and f represents 0 or 1 such that e+f=2; and wherein the triazinyl residue substituents are located at the 2, 4 and 6 positions of the 1,3,5-triazinyl residue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.