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US 4,062,827 AGranted
Colored cyanoacrylate adhesive compositions
AssigneeEastman Kodak Company
InventorHerbert T. Zollman
Life of this patent
Estimating the term…
Abstract
Autopolymerizable .alpha.-cyanoacrylate adhesive compositions having incorporated therein up to about 5% of a dyestuff selected from 1-hydroxy-3-bromo-4-amino anthraquinone (red), 2-(3-hydroxy-2-quinolinyl)-1H-indene-1,3(2H)-dione (yellow) and 12H-phthaloperin-12-one (orange).
Claims7
A stable adhesive composition which is autopolymerizable when spread in thin films comprising a monomeric .alpha.-cyanoacrylate ester of the formula:
- ##STR2## wherein R is alkyl of 1 to 16 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkoxyalkyl of 1 to 16 carbon atoms, cyclohexyl or phenyl;
- said compositions containing from 0.1 to about 5% by weight of a dye selected from 2-(3-hydroxy-2-quinolinyl) -1H-indene-1,3(2H)-dione and 12H-phthaloperin-12-one.
Dependencies are inferred from the claim text.