Patent · US Active

Zinc powder or zinc alloy powder for alkaline batteries

US7524582B2 · kind B2 · utility

0Cited by

3References

17Claims

0Family size

Assignee

Grillo-Werke AG · DE

Inventors

Armin Melzer · Dinslaken, DE
Petra Merkel · Bad Harzburg, DE
Jochen Spiestersbach · Duisburg, DE
Rudi Kube · Bad Harzburg, DE
Norbert Schulz · Ichenhausen, DE

Key dates

Filing date	Jun 5, 2006
Grant date	Apr 28, 2009
Priority date	—
Expiry date	May 2, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention is directed to a zinc powder or zinc alloy powder for alkaline batteries, which powder has a grain size distribution wherein 60 to 100 wt.-% of the particles, relative to the zinc powder or zinc alloy powder, have a diameter of from 40 to 140 μm. The invention is also directed to an alkaline battery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.