Patent ID: 7431793

Claim:
An accelerator composition adhesive system comprising in one part a cyanoacrylate adhesive and in a second part an accelerator composition for curing cyanoacrylate adhesives comprising: (a) one or more compounds selected from the group consisting of: (i) unsubstituted pyrazine; or a pyrazine derivative; said pyrazine derivative being pyrazine substituted with at least one electron-releasing group which substituent causes a net increase in the base strength of the substituted compound as compared to the corresponding unsubstituted compound; (ii) pyridine N oxides substituted with at least one electron-releasing group; and (iii) 2,6 pyridines being pyridines substituted in the 2- and 6-positions by substituents, at least one of the substituents being electron-releasing provided that both substituents are not methyl; (b) a volatile solvent carrier for the compound; and (c) an organic compound containing the structural element, —N═C—S—S—or 5-nitro guinoline.