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:
Jun. 12, 2012
Filed:
May. 07, 2004
Yoshiaki Kumamoto, Tochigi, JP;
Masataka Ishikawa, Tochigi, JP;
Takao Orii, Tokyo, JP;
Kao Corporation, Tokyo, JP;
Abstract
A warming article having a heat generating main body (). The heat generating main body () is composed of a heat generating element () having water vapor generating capability and an air permeable holder () for holding the heat generating element (). The heat generating main body () is configured to expand with heat generation of the heat generating element (). The amount of water vapor generated from the warming article is preferably 1.0 to 100 mg/(cm·10 min). The holder () preferably has a water vapor permeability of 1.5 to 10 kg/(m·24 hr). The heat generating element () is preferably a sheet molded by papermaking and containing an oxidizable metal, a moisture-retaining agent, and a fibrous material.