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:
Apr. 23, 2002
Filed:
Jul. 07, 1999
Applicant:
Inventors:
Eiichi Hoshino, Tochigi, JP;
Koji Hanaoka, Tochigi, JP;
Fumiko Inaba, Tochigi, JP;
Kazuo Mori, Tochigi, JP;
Kenji Ishikawa, Tochigi, JP;
Hironobu Sionome, Tochigi, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/28 ;
U.S. Cl.
CPC ...
C08J 9/28 ;
Abstract
A cleaning article comprising a detergent-retaining layer containing a hydrophobic material and detergent gradual-releasing layers having a higher density than the detergent-retaining layer, and the detergent-retaining layer is sandwiched between the detergent gradual-releasing layers.