Kao Corporation

Hiroyuki Yanagida

Hiroshi Otsuka

Minoru Wada

Kimihiko Hori

Tomohisa Hirata

Hidesato Kizaki

Keima Takabayashi

Akihito Shizuno

Takao Koyama

Hiroshi Nojiri

Taeko Hayase

Toshiyuki Suga

Shusuke Kakiuchi

Mami Nonomura

Hiroyuki Akai

Kazuhiro Inaba

Fumiko Okuda

A cleaning implementincluding a cleaning articlehaving a pocketand a holderadapted to be inserted into the pocketto hold the cleaning article. The pocketof the cleaning articlehas a counter bumping portionin the middle between the inlet opening at one end and the opposing end thereof. The holderincludes a handle, an insertion portionextending from one end of the handle, and a retaining meansfor retaining the vicinity of the inlet opening of the cleaning article. The insertion portionhas a bumping portionthat allows the insertion portionto be inserted into the pocketwith no substantial obstruction until it reaches a bumping position where it bumps against the counter bumping portionand then restricts further insertion beyond the bumping position. The cleaning articleis substantially prevented from moving between the bumping portionand the retaining meanswhen it has the insertion portioninserted into the pocketand is retained by the retaining means

Cleaning implement

An allergen inactivating agent is provided which has no adverse effects on the human body and which does not cause problems such as color development. An allergen inactivating agent containing a polysaccharide derivative as its effective component, wherein said polysaccharide derivative has a cellulose ether or a starch ether as its backbone, and some or all of hydrogen atoms in the hydroxy group of the polysaccharide derivative are substituted by a group represented by the following general formula (1):-E-(OA)-E-R&#x2003;&#x2003;(1)wherein Erepresents an alkylene containing 1 to 6 carbon atoms optionally substituted with hydroxy group or oxo group; n represents a number of 0 to 50; A independently represents an alkylene containing 1 to 6 carbon atoms, the number of A being n; Erepresents ether bond or oxycarbonyl group; R represents an alkyl group containing 4 to 30 carbon atoms optionally substituted with hydroxy group, a sulfoalkyl group containing 1 to 5 carbon atoms optionally substituted with hydroxy group, or a salt thereof.

Allergen inactivating agent

A cleaning sheet adapted to be attached to the head () of a cleaning tool (). The cleaning sheet has a wiping portion (A) that is disposed on the bottom of the head () when the cleaning sheet is attached to the head (). The cleaning sheet has projecting parts () and () in the wiping portion (A) which stick out of the forward and backward edges of the head () by a projecting length M when the cleaning sheet is attached to the head (). The projecting parts () and () have a repulsive force of 0.1 to 100 N/cm when deformed by a length M/3 in the direction opposite the projecting direction. The projection () preferably has pointed tips.

Cleaning sheet

A cleaning sheet adapted to be attached to the head () of a cleaning tool () and having a wiping portion (A) adapted to be disposed on the lower side of the head (). In the state attached to the head (), the cleaning sheet has, in the wiping portion (A) thereof, a plurality of tacky recesses () open to the front and the rear of the head (). The cleaning sheet has pointed parts () projecting to the front and the rear between borders () of adjacent two of the recesses ().

A process for producing bulky paper comprising the steps of transferring a fiber web ( ) having a water content of 50 to 85% by weight to a patterning zone having a perforated patterning net ( ) revolving along a suction unit; patterning the fiber web ( ) in conformity to the perforated patterning net ( ) by sucking the fiber web ( ) which is held on the perforated patterning net ( ) while applying 5 kcal/kg or more of heat to the fiber web ( ) in a heat application zone simultaneously with or before or after the sucking of the fiber web ( ); and then drying the fiber web ( ) in a drying zone to obtain patterned bulky paper ( ).

Process for producing bulky paper

A cleaning sheet comprises a network sheet and a nonwoven fiber aggregate formed by the entanglement of fibers of a fiber web and disposed on at least one side of the network sheet. The fibers of the nonwoven fiber aggregate are further entangled with the network sheet, forming a unitary body. The cleaning sheet has the breaking strength of 500 g/30 mm or more, and the elongation at a load of 500 g/30 mm is 10% or less. The fiber aggregate has the entanglement coefficient of from 10 to 500 m. The entanglement coefficient is expressed by the initial gradient of the stress-strain curve measured with respect to the direction perpendicular to the fiber orientation in the fiber aggregate.

Growing community of inventors

Tochigi, Japan

Hiroyuki Yanagida