Honda Giken Kogyo Kabushiki Kaisha

Kansai Paint Company, Ltd.

Other

Honda Motor Co., Ltd.

Hoechst Japan Limited

Nippon Zeon Company, Ltd.

Hoechst Marion Roussel

Honda Giken Kogyo K.k.

Yamashita Rubber Co., Ltd.

Honda Giken Koygo Kabushiki Kaisha

Hiroshi Kitagawa

Shusuke Akazaki

Yuji Yasui

Hidetaka Maki

Yoshihisa Iwaki

Norio Suzuki

Yusuke Hasegawa

Sachito Fujimoto

Jun Takahashi

Akira Katoh

Hiroshi Igarashi

Teruo Wakashiro

Toru Kitamura

Yasumasa Okumura

Toshiaki Hirota

Hironori Tonomura

Tatsuya Azuma

Shinichi Kitajima

Kojiro Tsutsumi

Yoshio Wazaki

Kazuhiro Kiyoura

Tetsuya Oono

Yoshihiko Kobayashi

Daisuke Takayama

Shunichi Tsuzuki

Hiroaki Muramatsu

Takeshi Matsumoto

Shunji Takahashi

Kazuaki Kitazono

Masami Watanabe

Takehiro Takada

Toshiyuki Suzuki

Munehiro Nakata

Kazunori Saitoh

Ryuji Satou

Hideo Watanabe

Hans-Jochen Lang

Takeshi Ogawa

Akira Kato

Takahiro Naka

Masaki Ueno

Denis Carniato

Heinrich Christian Englert

Takeshi Suzuki

Isao Komoriya

Tsutomu Inoue

Hiroshi Kimura

Yoichi Nishimura

Motoshi Yabuta

Shigeki Baba

Masakazu Kitamoto

Kazumi Yamazaki

Hiroshi Maruyama

Kenichi Sawada

Hiroyuki Abe

Takashi Kiyomiya

Katsuhiro Kumagai

Fumio Hosoda

Hiroshi Okazaki

Hideo Moriwaki

Masami Kobata

Masayuki Tamura

Mizuho Inazu

Toshikatsu Takanohashi

Shoji Takahashi

Hiroki Munakata

Hans G Berscheid

Masaaki Saika

Junichi Araki

Seiji Hatcho

Tetsuya Kaneko

Hiroshi Watanabe

Masaki Tsuda

Yusuke Kurata

Kenichi Nagai

Masakazu Katoh

Yukihiro Ikeura

Nobuhiro Saito

Tomofumi Jitsukawa

Masashi Takezawa

Ryuji Satoh

Ryoichi Satoh

Yosuke Hasegawa

Katsunori Hirai

Ryusuke Muramoto

Etsuko Ohkouchi

Toshiro Iwahashi

Yukiko Tone

Isamu Sugawara

Hitoko Numata

Shunji Senda

Akihiko Matsuo

Itsuo Kurobane

Akio Fukuda

Junko Usui

Toshikatu Takanohashi

Toshikastu Takanohashi

Hideki Kaseyama

Shouji Sekiai

Takeyoshi Usui

An aqueous coating composition containing an acrylic-modified polyester resin (A) and a reactive-group-containing resin (B), the acrylic-modified polyester resin (A) comprising as a monomer component constituting the acrylic part, a polyoxyalkylene group-containing unsaturated monomer having a weight average molecular weight of 400 or more, and the proportion of compounds having 6 or more carbon atoms of the total amount of the polyester-constituting components being 50 mass % or more.

Water-based coating composition

A method for forming a multilayer coating film includes applying an aqueous first base coating composition (A) onto a cured electrodeposition coating film, applying an aqueous second base coating composition (B) without preheating, performing preheating, further applying a clear coating composition (C), and simultaneously heat-curing the first base coating film, the second base coating film, and the clear coating film. The aqueous first base coating composition contains a specific aqueous polyester resin, a specific aqueous acrylic resin, a specific aqueous urethane resin and a melamine resin. A breaking energy of a coating film formed of the aqueous first base coating composition and a peel strength between the coating film and the cured electrodeposition coating film are controlled to specific values.

Method for forming multilayer coating film

It is an object of the invention to provide a block polyisocyanate compound with excellent storage stability. The block polyisocyanate compound of the invention has the following construction. A block polyisocyanate compound having at least one block isocyanate group selected from the group consisting of a block isocyanate group represented by formula (I), block isocyanate group represented by formula (II) and block isocyanate group represented by formula (III), and a hydrophilic group.

Block polyisocyanate compound

The present invention provides a method for forming a multilayer coating film, the method comprising (1) coating on a substrate an aqueous first colored coating composition containing a pigment and a hydroxy-containing polyester resin-containing film-forming resin having an acid value of 30 mg KOH/g or less; (2) coating an aqueous second colored coating composition containing a film-forming resin and a copolymer obtained by copolymerization of monomer components containing a polymerizable unsaturated monomer having a hydrophilic group, and a macromonomer having a polymerizable unsaturated group and a backbone having a number average molecular weight of 1,000 to 10,000, obtained by polymerization of a monomer component having 5 to 100 mass % of a polymerizable unsaturated monomer having a Calkyl group; (3) coating a clear coating composition; and (4) simultaneously curing the three coating films formed in steps (1) to (3).

Method for forming multi-layered coating film

An object of the present invention is to provide an aqueous coating composition with excellent finished appearance and removability in bell cleaning, and a method for forming a multilayer coating film having excellent smoothness by a 3-coat-1-bake method including successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once. The present invention provides an aqueous coating composition containing an acrylic resin (A), a curing agent (B), and a urethane resin emulsion (C) with a weight average molecular weight of 2,000 to 50,000, the urethane resin emulsion (C) being prepared using constituent components containing a polyisocyanate component and a polyol component as starting materials, wherein the polyisocyanate component contains an alicyclic diisocyanate, and the polyol component contains a polycarbonate diol in an amount of 50 mass %, based on the total amount of the polyol component.

Water-based coating composition and method of forming multilayered coating film

An object of the invention is to provide a method for forming a multilayer coating film with excellent smoothness, distinctness of image, and water resistance, by a 3-coat 1-bake coating method, even when preheating after the application of an aqueous first colored coating composition is omitted. The present invention provides a method for forming a multilayer coating film, including (1) applying an aqueous colored coating composition (A) to a substrate to form a colored coating film; (2) applying an effect pigment-containing aqueous coating composition (B) containing a binder component (b1), an effect pigment (b2), and a hydrophobic solvent (b3) in proportions of 15 to 30 parts by mass of effect pigment (b2) and 25 to 60 parts by mass of hydrophobic solvent (b3) relative to 100 parts by mass of the binder component (b1), to the colored coating film, without preheating the colored coating film, to form an effect coating film having a film thickness of 7 to 13 micrometers when cured; (3) applying a clear coating composition (C) to the effect coating film to form a clear coating film; and (4) heating the three coating films formed in steps (1) to (3) to simultaneously cure these three coating films.

An object to be achieved by the present invention is to provide a method capable of forming a multilayer coating film having excellent smoothness, distinctness of image, and chipping resistance, by a 3-coat 1-bake process comprising successively applying an aqueous first colored coating composition, an aqueous second colored coating composition, and a clear coating composition to a substrate, and heat-curing the resulting three layers of the multilayer coating film all at once. The present invention provides a method for forming a multilayer coating film, which employs a 3-coat 1-bake process comprising sequentially applying an aqueous first colored coating composition (X), an aqueous second colored coating composition (Y), and a clear coating composition (Z) on a substrate; and heat-curing the resulting three layers of the multilayer coating film all at once, wherein the aqueous first colored coating composition (X) contains an acrylic resin (A), a curing agent (B), and a urethane resin emulsion (C), and a first colored coating film formed from the aqueous first colored coating composition (X) has a water swelling rate of 100% or less and an organic solvent swelling rate of 300% or less.

Multilayer coating film-forming method

A deterioration failure diagnostic apparatus is provided for diagnosing an exhaust gas sensor disposed in an exhaust passage of an engine. The apparatus has a unit for generating a detecting signal and multiplying the generated signal to a first basic fuel injection amount to produce a second fuel injection amount. The apparatus includes a unit for calculating a feedback representative value based on feedback correction coefficients and multiplying the feedback representative value to the second fuel injection amount to produce a final fuel injection amount to be input to the engine. The apparatus includes a unit for extracting a frequency response corresponding to the detecting signal from an output of the exhaust gas sensor of the engine, the output being responsive to the calculated final fuel injection amount. A condition of the exhaust gas sensor is determined based on the extracted frequency response.

Diagnostic apparatus for an exhaust gas sensor

A controller for controlling a temperature of an element disposed in an exhaust gas sensor is provided. The exhaust gas sensor further comprises a heater for heating the element. The controller comprises a control unit. The control unit performs response assignment control to determine a duty ratio of energization of the heater. In one embodiment, the response assignment control uses a switching function that specifies a response of the element temperature to a target temperature. The energization duty ratio is determined based on the integral of the switching function. In one embodiment, the element temperature of the exhaust gas sensor is estimated. The control unit determines the energization duty ratio of the heater based on the estimated element temperature. The element temperature may be estimated based on the temperature of exhaust gas.

Controller for controlling element temperature of exhaust gas sensor

An apparatus for detecting a failure of an exhaust gas sensor disposed in an exhaust manifold is provided. The apparatus comprises a control unit. The control unit compares detection values of the exhaust gas sensor detected under different element temperatures of the exhaust gas sensor. The control unit detects a failure of the exhaust gas sensor based on the comparison result. In one embodiment, the different states include a state in which the element temperature is maintained at higher level and a state in which the element temperature is maintained at lower level. The element temperature can be controlled by a response assignment control scheme. In one embodiment, the detection values are subjected to a filtering process and/or a statistical process using a successive least squares method. The control unit compares the statistically processed detection values to detect a failure of the exhaust gas sensor.

Apparatus for detecting failure of exhaust gas sensor utilizing element temperature

An apparatus for detecting a failure of an exhaust gas sensor disposed downstream of a catalyst converter in an exhaust manifold is provided. The apparatus comprises a control unit. The control unit determines a ratio between an amplitude value of a first output of the exhaust gas sensor and an amplitude value of a second output of an air-fuel ratio sensor. The air fuel ratio sensor disposed upstream of the catalyst converter. The control unit detects a failure of the exhaust gas sensor based on the ratio. In one embodiment, a statistical process using a successive least squares method is applied to the ratio. The control unit detects a failure of the exhaust gas sensor based on the statistically processed ratio. In another embodiment, the statistical process is applied to both the output of the exhaust gas sensor and the output of the air-fuel ratio sensor. The control unit detects a failure of the exhaust gas sensor based on a ratio between the statistically processed outputs of the exhaust gas sensor and the air-fuel ratio sensor.

Apparatus and method for detecting failure of exhaust gas sensor

A target air-fuel ratio KCMD for an exhaust gas upstream of a catalytic converter is sequentially determined to converge the output VO /OUT of an O sensor downstream of the catalytic converter to a target value VO /TARGET, and the amount of fuel supplied to an internal combustion engine is controlled to converge the output KACT of an air-fuel ratio sensor to the target air-fuel ratio KCMD. While the amount of fuel supplied to the internal combustion engine is being thus controlled, the value of a deterioration linear function &sgr; whose variable components are represented by time-series data of the output VO /OUT of the O sensor is determined. A central value of the square &sgr; of the value of the deterioration linear function &sgr; is determined as a deterioration evaluating parameter. A deteriorated state of the catalytic converter is evaluated on the basis of the value of the deterioration evaluating parameter.

Air-fuel ratio controller for internal combustion engines

An apparatus for carrying out a fine servo control and a rough servo control with respect to the rotation of a motor for rotating a recording medium in accordance with information recorded on the recording medium. A fine servo signal is generated on the basis of a reproduction clock, filtered by a first filtering device, and used for the fine servo control. A rough servo signal is generated on the basis of a frame synchronizing signal, filtered by a second filtering device, and used for the rough servo control. The first filtering device has a first frequency band, and the second filtering device has a second frequency band. The upper limit of the second frequency band is lower than that of the first frequency band.

Drive apparatus for optical recording medium capable of reducing resonance

An apparatus for accurately and promptly determining a failure of an oxygen concentration sensor. The oxygen concentration sensor is arranged at a location downstream of a catalyst in an exhaust system of an internal combustion engine. The apparatus measures a time period elapsed after termination of a fuel cut-off operation, and calculates an integrated amount SUMSVS of exhaust gases exhausted after the termination of the fuel cut-off operation. A failure of the oxygen concentration sensor is determined depending on whether or not a signal value SVO2 of a signal from the oxygen concentration sensor has crossed a predetermined threshold value &num;SVO2CHK. Further, when a predetermined time period &num;TMFCCKD has elapsed, if the signal value SVO2 has not crossed the predetermined threshold value &num;SVO2CHK, and at the same time when the integrated amount SUMSVS of the exhaust gases has not reached a predetermined value &num;SUMSVAFC the failure determination is suspended.

Apparatus for determining a failure of an oxygen concentration sensor

A mouse anti-human MP52 monoclonal antibody which binds to dimeric human MP52 but not to monomeric human MP52. This mouse monoclonal antibody comprising IgG and having a high specificity can be obtained by sensitizing mice with human MP52 (CHO-MP52) produced in CHO cells and human MP52 (rhMP52) produced in,. This antibody is useful in, for example, purifying or assaying human MP52 produced b genetic engineering techniques.

Anti-human MP52 monoclonal antibody

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Wako, Japan

Hiroshi Kitagawa