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:
Nov. 10, 2009
Filed:
Jul. 23, 2003
Hiroyuki Akai, Tochigi, JP;
Kouji Machii, Tochigi, JP;
Akihito Shizuno, Tochigi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A wet cleaning sheethas a liquid retentive sheetmade of a fibrous material or a cellular material and impregnated with a predetermined amount of a detergent, etc., a liquid impermeable sheetdisposed on one side of the liquid retentive sheet, and a liquid gradual-releasing sheet made of a fibrous material and less air permeable than the liquid retentive sheetdisposed on the other side of the liquid retentive sheet. The liquid impermeable sheethas a bag shape with openingson one side thereof. The liquid retentive sheet is held in the bag and releases the detergent, etc. through the openings. The liquid gradual-releasing sheet has an air permeability of 0.05 to 6 m/kPa·s thereby to control the gradual release of the detergent, etc.