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:
Dec. 05, 1989
Filed:
Jul. 06, 1987
William H Hoge, Flemington, NJ (US);
Alupower, Inc., Bernardsville, NJ (US);
Abstract
A sheetlike laminated air cathode including first and second layers having opposed major surfaces respectively exposed for contact with a liquid electrolyte and with air, the layers also having facing major surfaces, and the second layer being permeable to air but not to the liquid electrolyte; and a current collector in contact with the first layer and connectable to external electrical circuitry. The first layer is a nonwoven fibrous web impregnated with a mixture of carbon particles and a nonfibrous polymeric substance for holding the carbon particles in the web. The facing major surfaces of the first and second layers are bonded together by heat seal coating material distributed on those major surfaces in such manner as to provide an array or network of areas free of coating material extending substantially uniformly thereover.