The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 2007
Filed:
May. 17, 2002
Shuji Fujiwara, Moriguchi, JP;
Shigeto Noya, Neyagawa, JP;
Yasuo Mukai, Moriguchi, JP;
Michiko Fujiwara, Kadoma, JP;
Shinichi Sumiyama, Hirakata, JP;
Takeshi Okubo, Hirakata, JP;
Yasuko Hoshina, Hirakata, JP;
Shuji Fujiwara, Moriguchi, JP;
Shigeto Noya, Neyagawa, JP;
Yasuo Mukai, Moriguchi, JP;
Michiko Fujiwara, Kadoma, JP;
Shinichi Sumiyama, Hirakata, JP;
Takeshi Okubo, Hirakata, JP;
Yasuko Hoshina, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
In order to obtain an alkaline dry battery low in the possibility of electrolyte leakage and excellent in discharge performance as well as an alkaline dry battery which is not likely to cause an internal short circuit even with the use of a thin separator, as a zinc powder used is one including 65 to 75 wt % of first zinc particles having a particle size of larger than 75 μm and not larger than 425 μm, and 25 to 35 wt % of second zinc particles having a particle size of not larger than 75 μm.