Alkaline battery seal and protective coating comprising a fatty acidamide

Claim 2

A GALVANIC CELL COMPRISING A CONTAINER HAVING AN ALKALINE ELECTROLYTE THEREIN, SAID GALVANIC CELL HAVING AT LEAST ONE SURFACE SUBJECT TO WETTING BY SAID ALKALINE ELECTROLYTE AND WHEREIN AT LEAST A PORTION OF SAID SURFACE WHERE SUCH WETTING IS NOT DESIRED CONSISTS OF A MIXTURE OF A FATTY POLYAMIDE HAVING AN AMINE NUMBER ABOVE ABOUT 10 AND AT LEAST ONE MODIFIER

Claim 3

A galvanic cell comprising a container having an alkaline electrolyte therein, said galvanic cell having at least one surface subject to wetting by said alkaline electrolyte and wherein at least a portion of said surface where such wetting is not desired consists of a mixture of a fatty polyamide having an amine number above about 10 and at least one extender thereby substantially preventing creeping of said electrolyte over or through said portion of said surface.

Claim 4

A galvanic cell comprising a container having an alkaline electrolyte therein, said galvanic cell having at least one surface subject to wetting by said alkaline electrolyte and wherein at least a portion of said surface where such wetting is not desired consists of a mixture of a fatty polyamide having an amine number above about 10 and at least one extender thereby substantially preventing creeping of said electrolyte over or through said portion of said surface.

Claim 5

A galvanic cell comprising a container having an alkaline electrolyte therein, said galvanic cell having at least one surface subject to wetting by said alkaline electrolyte and wherein at least a portion of said surface where such wetting is not desired consists of a fatty polyamide having an amine number above about 10 thereby preventing creeping of said electrolyte over or through said portion of said surface.

Claim 6

A galvanic cell comprising a container having an alkaline electrolyte therein, said galvanic cell having at least one surface subject to wetting by said alkaline electrolyte and wherein at least a portion of said surface where such wetting is not desired consists of a fatty polyamide having an amine number above about 10 thereby preventing creeping of said electrolyte over or through said portion of said surface.

Claim 7

The galvanic cell of claim 1 wherein said galvanic cell includes a cupped metal container made of a rigid metal and having said alkaline electrolyte therein, said cell being sealed at the open end of said cupped container by a seal closure having at least a portion consisting of a fatty polyamide and modifier mixture.

Claim 8

The galvanic cell of claim 2 wherein said galvanic cell includes a cupped metal container made of a rigid metal and having said alkaline electrolyte therein; said cell being sealed at the open end of said cupped container by a seal closure having at least a portion consisting of a fatty polyamide and extender mixture.

Claim 9

The galvanic cell of claim 3 wherein said galvanic cell includes a cupped metal container made of a rigid metal and having said alkaline electrolyte therein; said cell being sealed at the open end of said cupped container by a seal closure having at least a portion consisting of fatty polyamide.

Claim 10

The galvanic cell of claim 1 wherein said cell comprises an alkaline air-depolarized cell having a zinc electrode and a copper current collector electrically connected to said zinc electrode at a junction, and wherein the surface of said zinc electrode adjacent said junction is coated with a mixture of fatty polyamide and a modifier to prevent contact of said alkaline electrolyte with said surface.

Claim 11

The galvanic cell of claim 2 wherein said cell comprises an alkaline air-depolarized cell have a zinc electrode and a copper current collector electrically connected to said zinc electrode at a junction, and wherein the surface of said zinc electrode adjacent said junction is coated with a mixture of fatty polyamide and an extender to prevent contact of said alkaline electrolyte with said surface.

Claim 12

The galvanic cell of claim 3 wherein said cell comprises an alkaline air-depolarized cell having a zinc electrode and a copper current collector electrically connected to said zinc electrode at a junction, and wherein the surface of said zinc electrode adjacent said junction is coated with a fatty polyamide to prevent contact of said alkaline electrolyte with said surface.

Claim 13

The galvanic cell of claim 1 wherein said cell comprises an alkaline air-depolarized cell having a zinc electrode, said zinc electrode having at least one projection that is adapted to cooperate with a support for supporting said electrode, wherein the surface of said projection is coated with a mixture of fatty polyamide and a modifier to prevent alkaline electrolyte from contacting said projection.

Claim 14

The galvanic cell of claim 2 wherein said cell comprises an alkaline air-depolarized cell having a zinc electrode, said zinc electrode having at least one projection that is adapted to cooperate with a support for supporting said electrode, wherein the surface of said projection is coated with a mixture of fatty polyamide and an extender to prevent alkaline electrolyte from contacting said projection.

Claim 15

The galvanic cell of claim 3 wherein said cell comprises an alkaline air-depolarized cell having a zinc electrode, said zinc electrode having at least one projection that is adapted to cooperate with a support for supporting said electrode, wherein the surface of said projection is coated with fatty polyamide to prevent alkaline electrolyte from contacting said projection.

Claim 16

The galvanic cell of claim 1 wherein said cell includes a gas venting system that includes a plurality of fibers oriented generally in the direction of a gas path, said gas path being within said fibers, wherein said fibers are enclosed within the fatty polyamide and modifier mixture.

Claim 17

The galvanic cell of claim 2 wherein said cell includes a gas venting system that includes a plurality of fibers oriented generally in the direction of a gas path, said gas path being within said fibers, wherein said fibers are enclosed within the fatty polyamide and extender mixture.

Claim 18

The galvanic cell of claim 3 wherein said cell includes a gas venting system that includes a plurality of fibers oriented generally in the direction of a gas path, said gas path being within said fibers, wherein said fibers are enclosed within said fatty polyamide.