Xanthene derivatives, mixtures comprising same, manufacturing method and corresponding uses
AssigneeArkema France
InventorsMartin Herblot, Julien Jouanneau, Guillaume Le
Life of this patent
Estimating the term…
Abstract
A xanthene derivative of formula I or of formula II, which may be useful as a chromophore, as a free-radical generator, or as an adhesion promoter and/or coupling agent. A mixture including the xanthene derivative of formula I or of formula II. A process for preparing the xanthene derivative process involving reacting a compound of formula (III) with a compound of formula (IVa) or (IVb), in the presence of a Lewis acid. A process for preparing the mixture including the xanthene derivative of formula I or of formula II.
Claims7
A compound having the chemical formula:
- in which:
- R0 denotes:
- —H;
- i, j, k and l are integers all equal to 0.
A method of analyzing a composition comprising a compound, comprising exposing the compound to light;
- and measuring at least one optical response of the compound, wherein the compound functions as a chromophore, and wherein the compound has the following chemical formula:
- in which:
- R0 denotes:
- a charge +, —H, or —OH;
- i, j, k and l are integers all equal to 0.
A method comprising generating free-radicals by activating a compound, wherein the compound has the following chemical formula:
- in which:
- R0 denotes:
- a charge +, —H, or —OH;
- i, j, k and l are integers all equal to 0.
A method comprising promoting adhering and/or coupling to a substrate by applying a compound on a substrate, wherein the compound has the following chemical formula:
- in which:
- R0 denotes:
- a charge +, —H, or —OH;
- i, j, k and l are integers all equal to 0.
Dependencies are inferred from the claim text.