Patent ID: 6890399

Claim:
A method of detecting substantially full cure of an adhesive comprising the steps of providing a first article and a second article; providing, on a surface of the first article, a (meth)acrylate composition comprising: a (meth)acrylate component; and a dyc substantially dissolved in said (meth)acrylate component which imparts a first color to said (meth)acrylate component, wherein upon curing, a resultant cured composition has a second color, and wherein said dye comprises xanthene dyes, and optionally, anthraquinone dyes, wherein said xanthene dye is selected from the group consisting of fluorescein, dibromofluorescein, diiodofluorescein, tetrabromofluorescein, tetraiodofluorescein, tetrabromotetrachlorofluorescein and combinations thereof; contacting a surface of the second article to the surface of the first article having the (meth)acrylate composition thereon; and exposing the first and second articles to cure conditions.