Back to results
US 6,547,985 B1Granted
Composition of 2-cyanoacrylate, Lewis acid metal salt and clathrate
AssigneeTogosei Co., Ltd.
InventorsSeitaro Tajima, Mitsuyoshi Sato
Life of this patent
Estimating the term…
Abstract
A 2-cyanoacrylate composition useful as an adhesive contains a Lewis acid metal salt which comprises a specific metal such as aluminum, gallium, indium or thallium, and the conjugate base of an acid having oxygen such as a monohalo-, dihalo or trihaloacetate, wherein the metal is bonded to the conjugate base through an oxygen atom, and a compound having clathrating ability such as a crown ether.
Claims12
A 2-cyanoacrylate composition comprising:
- (1) a Lewis acid metal salt which comprises a metal selected from the group consisting of zinc, cadmium, mercury, aluminum, gallium, indium and thallium, and a conjugate base comprising an acid having oxygen, wherein the metal is bonded to the conjugate base through an oxygen atom, wherein said Lewis acid metal salt is a salt of the metal and a halogenated acetic acid, and
- (2) a compound having clathrating ability.
A 2-cyanoacrylate composition comprising:
- (1) a Lewis acid metal salt which comprises a metal selected from the group consisting of zinc, cadmium, mercury, aluminum, gallium, indium and thallium, and a conjugate base comprising an acid having oxygen, wherein the metal is bonded to the conjugate base through an oxygen atom, wherein said Lewis acid metal salt is a salt of the metal and a trihalogenated acetic acid, and
- (2) a compound having clathrating ability.
A 2-cyanoacrylate composition comprising:
- (1) a Lewis acid metal salt selected from the group consisting of zinc trifluoroacetate, cadmium trifluoroacetate, mercury trifluoroacetate, gallium trifluoroacetate, indium trifluoroacetate and thallium trifluoroacetate, and
- (2) a compound having clathrating ability.
Dependencies are inferred from the claim text.