Patents Assigned to S.T. Chemical Co., Ltd.
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Patent number: 7891022Abstract: Moisture retentive gloves characterized by using fibers treated with a moisture retentive component as fibers of an internal surface of gloves fabricated of a rubber or a synthetic resin. In particular, moisture retentive gloves wherein the fibers of an internal surface of gloves are staple fibers bonded to the internal surface of glove base material fabricated of a rubber or a synthetic resin, some or all of the staple fibers treated with a moisture retentive component; and moisture retentive gloves wherein the fibers of an internal surface of gloves are fibers of gloves fabricated of a cloth as a raw material of the gloves, some or all of the fibers constituting the cloth gloves treated with a moisture retentive component. These moisture retentive gloves, even if used repeated times and used for a prolonged period of time, do not affect the normal bacteria on the skin by virtue of the action of the moisture retentive component retained on the fibers, so that hand skin chapping or the like can be prevented.Type: GrantFiled: April 18, 2003Date of Patent: February 22, 2011Assignee: S.T. Chemical Co., Ltd.Inventors: Yasuhiro Hanada, Masaki Oda
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Patent number: 7767877Abstract: A liquid-absorbing core which is for use in suction type drug volatilizers which comprises hydrophilic fibers and/or water-absorbing fibers. The hydrophilic fibers have an affinity for water, and are rayon, cotton, etc. Especially preferred is rayon because it has a high affinity for water. Examples of the water-absorbing fibers include water-absorbing synthetic fibers made of a polymer such as polyvinyl alcohol or polysodium acrylate and other synthetic fibers treated by, e.g., adding and adhering polyvinyl alcohol or polysodium acrylate thereto or coating them with the polymer. In the liquid-absorbing core, the hydrophilic fibers and/or water-absorbing fibers may be disposed so as to have a porosity of 10 to 80%.Type: GrantFiled: August 3, 2001Date of Patent: August 3, 2010Assignee: S.T. Chemical Co., Ltd.Inventors: Masatoshi Takahashi, Kanji Mizunaka
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Patent number: 7534406Abstract: A stem fog generator (1) for vehicle aromatic components into a cabin and suitable for use in a vehicle, comprising a plug part (11) and a steam fog generator body (12) foldably connected to each other, wherein the plug part (11) is cylindrically formed so as to be attachable to and detachable from an accessory socket (14), a power supply from the plug part (11) is fed to a heater (71) through an operating switch (45), a loading/unloading.Type: GrantFiled: January 22, 2003Date of Patent: May 19, 2009Assignee: S. T. Chemical Co., Ltd.Inventor: Isao Takemura
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Patent number: 6923850Abstract: A dehumidifying agent of coating film delamination type, characterized in that it comprises a package formed by using, at least partly, a sheet having a double layer structure, wherein a film unsusceptible to moisture permeation is arranged on the surface side and a moisture-permeable film is arranged on the inner side, and a deliquescent salt filled in the package, and it is subjected to use through delaminating the film unsusceptible to moisture permeation. The dehumidifying agent can be packaged with simplicity and ease and can be stored for a long period of time, and as a result, can be provided with improved economy.Type: GrantFiled: September 11, 2001Date of Patent: August 2, 2005Assignee: S.T. Chemical Co., Ltd.Inventor: Yuichi Tanaka
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Patent number: 5759441Abstract: A halogen scavenger contains as an effective ingredient an aromatic compound which has a resonance-effect-relying electron donating group as a substituent. The aromatic compound is constituted, for example, by an aromatic ring such as a substituted or unsubstituted benzene, naphthalene, anthracene and pyridine ring, and at least one group (a resonance-effect-relying electron donating group) which contains a lone-pair-containing hetero atom, such as an oxygen, sulfur or nitrogen atom, adjacent to the aromatic ring.Type: GrantFiled: January 22, 1996Date of Patent: June 2, 1998Assignee: S. T. Chemical Co., Ltd.Inventors: Yoshikazu Tokuoka, Haruo Shibatani
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Patent number: 5503768Abstract: A halogen scavenger contains as an effective ingredient an aromatic compound which has a resonance-effect-relying electron donating group as a substituent. The aromatic compound is constituted, for example, by an aromatic ring such as a substituted or unsubstituted benzene, naphthalene, anthracene and pyridine ring, and at least one group (a resonance-effect-relying electron donating group) which contains a lone-pair-containing hetero atom, such as an oxygen, sulfur or nitrogen atom, adjacent to the aromatic ring.Type: GrantFiled: May 31, 1994Date of Patent: April 2, 1996Assignee: S.T. Chemical Co., Ltd.Inventors: Yoshikazu Tokuoka, Haruo Shibatani
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Patent number: 4983391Abstract: An insecticide for protecting a fibrous material from the damage by an insect, which comprises a carbamic ester of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are, the same or different, each a hydrogen atom or a lower alkyl group and R.sub.3 is a lower alkyl group as an active ingredient.Type: GrantFiled: August 9, 1989Date of Patent: January 8, 1991Assignee: S.T. Chemical Co., Ltd.Inventors: Ryonosuke Muneyuki, Hiroyuki Kanamaru
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Patent number: 4912137Abstract: An insecticide which comprises an oxalic ester of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are, the same or different, each a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group but at least one of them is a C.sub.1 -C.sub.4 alkyl group.Type: GrantFiled: July 12, 1988Date of Patent: March 27, 1990Assignee: S. T. Chemical Co., Ltd.Inventors: Ryonosuke Muneyuki, Hiroyuki Kanamaru
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Patent number: 4768676Abstract: A container for volatile liquid aromatics to perfume the air is disclosed, in which a cylindrical tube having a closed lower end and accomodating the absorbing core portion of a volatilizing structure extends downward from the top of the container into liquid aromatics stored in the main container body. Thus, the volatilizing structure is kept dry prior to use. The container also comprises an opener for the lower end of the tube receiving the absorbing core portion of the volatilizing structure. The opener may consist of a needle-shaped pin extending in the tube. Simple activation of the opener by the user of the container is sufficient to commence vaporization. The volatilizing portion of the volatilizing structure is preferably in the form of an elongated strip whose widthwise direction is vertically disposed and which is curved lengthwise into a fold.Type: GrantFiled: December 7, 1987Date of Patent: September 6, 1988Assignee: S.T. Chemical Co., Ltd.Inventor: Toshihiko Kaneko
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Patent number: 4524018Abstract: Lasting fragrant article formed by impregnating a pregnant with a composition prepared by compounding a single perfume or blend of perfumes with a compound represented by the general formula:R.sub.a Si(OR').sub.b (OR").sub.cwherein R, R', and R" represent hydrocarbon residues and R" represents a group which develops aroma in the form of R"OH; a+b+c=4; and c.gtoreq.1; or its product formed by hydrolysis or dehydration condensation. The fragrant article is characterized by the use of particular compounds, resulting in persistent aroma, and it is subject to very little change in the fragrance tone.Type: GrantFiled: July 28, 1982Date of Patent: June 18, 1985Assignees: Chisso Corporation, S.T. Chemical Co., Ltd.Inventors: Jiichiro Yemoto, Ryokichi Tarao, Yoshio Yamamoto