Bridgestone Corporation

Takasago International Corporation

Unitika Ltd.

Other

Nippon Oil Company

Semiconductor Energy Laboratory Co., Ltd.

Iatron Laboratories Inc.

Toyoda Gosei Co., Ltd.

Harima Chemicals, Incorporated

Unitaka Ltd.

Eiwa Chemical Ind. Co., Ltd.

Hitoshi Kondo

Toshimitsu Hagiwara

Mamoru Yamada

Hiroshi Sugiyama

Akio Yamaguchi

Hiroshi Nakajima

Yukio Kobayashi

Makoto Sasaki

Shigeru Mitsuhashi

Yukiharu Iwaya

Yasushi Hirata

Misao Yagi

Kazutomo Imahori

Tatsuo Iwasaki

Hiroko Konuma

Mika Tadokoro

Toshimitsu Konuma

Takashi Imai

Susumu Akutagawa

Yoshimasa Matsushima

Shinya Yamada

Masao Kageyama

Haruki Tsuruta

Kazuhiko Nagata

Kosuke Tomita

Tetsuharu Okazaki

Hiroshi Suzuki

Shinji Endoh

Hiroko Kudo

Yuzo Sakai

Hirokazu Taniguchi

Shunpei Yamazaki

Takeshi Nishi

Akira Mase

Akira Sugawara

Yoshiaki Echigo

Katsumi Nakashima

Isao Tomioka

Tomoaki Okita

Michitaka Takeshita

Shido Kawase

Takashi Mizushima

Kazuhiro Matsui

Masanao Kono

Keisuke Kurosaka

Ken Iwata

Takuo Yasuda

Munehiko Dombou

Yasuyoshi Sanada

Keisuke Itakura

Kazue Kawahara

Akio Motoyama

Minzo Sakaguchi

Goro Yokoyama

Shigemitsu Otomo

Hisahito Ueda

Tsuneyuki Ohsawa

Yoshiaki Maekawa

Tadahiro Umeda

Teiichiro Kadoguchi

Takanari Shiraishi

Norikazu Mayama

Masami Kojima

Shoji Senba

Tatsuya Mihara

Masaru Kashima

Toshihiko Tsukamoto

Kiichi Mori

Masaki Ohara

The present invention provides a gene derived from a thermophilic Bacillus, comprising the nucleotide sequence of SEQ ID No.2 and encoding a thermostable diaphorase comprising the amino acid sequence of SEQ ID No.1, a recombinant vector possessing the gene, a transformant with the recombinant vector and a process for producing the thermostable diaphorase by using the transformant.

Thermostable diaphorase gene

A formed rubber extruded product which is formed of a vulcanizate of a rubber blend comprising a sulfur-vulcanizable ethylene-propylene-type rubber (EPDM) as a starting rubber and a pyrolytic foaming agent. The vulcanizate has a specific gravity of from 0.9 to 1.0 and a surface roughness (RZD) of 14 micrometers or less. The rubber blend contains the pyrolytic foaming agent in the form of an inorganic powder-supported foaming agent. A particle diameter of the inorganic powder in the inorganic powder-supported foaming agent is approximately 9 micrometers or less, and a particle diameter of the pyrolytic foaming agent is approximately 8 micrometers or less. Further, crystalline PE is contained in an amount of from 6 to 30 parts per 100 parts of EPDM. The foamed rubber extruded product of the present invention can be produced by the extrusion at a high rate.

Foamed rubber extruded product

Test strips by which creatine kinase activity can be quantitatively measured at a high sensitivity within a broad measuring range and which have excellent storage stability. Particularly, test strips for the measurement of creatine kinase activity, which comprises a carrier, a dehydrogenase, a diaphorase, NAD or NADP, and a water-soluble tetrazolium compound.

Test strip for creatine kinase activity measurement

An optically active compound represented by formula (I): wherein A represents ##STR1## wherein R.sup.2 represents an alkyl group having from 8 to 12 carbon atoms; R.sup.1 represents a straight chain alkyl group having from 2 to 5 carbon atoms; X represents a fluorine atom or a methyl group; n represents 1 or 2; m represents an integer of from 0 to 3; and C* represents an asymmetric carbon atom, and a liquid crystal composition containing the same are disclosed. The compound exhibits large spontaneous polarization and low viscosity and, when added to an achiral base liquid crystal composition, induces a chiral nematic phase in which the helical pitch has small temperature dependence.

Optically active compound, liquid crystal composition containing the

An optically active compound which itself generally exhibits no antiferroelectric liquid crystal phase, but which can be added to an antiferroelectric liquid crystal or composition thereof having a high threshold voltage to reduce the threshold voltage of the resulting composition. Also disclosed is an antiferroelectric liquid crystal composition containing the optically active compound, a process for reducing the threshold voltage of an antiferroelectric liquid crystal composition, a process for producing the optically active compound, and a process for producing an optically active carboxylic acid as an intermediate.

Optically active compound, antiferroelectric liquid crystal composition

A reagent for calcium ion level determination comprising a phospholipid, phospholipase D, choline oxidase, a surfactant and a divalent metal salt. The reagent can easily be prepared and with which quantitative determination of calcium ion can be made over a broad range of a calcium ion concentration with ease and accuracy in a continuous manner.

Reagent for calcium ion level determination

A ferroelectric liquid crystal device is described. The device comprises a pair of substrates, an electrode arrangement formed on the inside surface of the substrates, an orientation control surface provided on the inside surface of one of said substrates, and a blended ferroelectric liquid crystal disposed between the substrates. By suitably preparing the liquid crystal, multi-micro-domains are formed in the liquid crystal. By virtue of the multi-micro-domains, the contrast ratio and the response speed are significantly improved.

Ferroelectric liquid crystal device

Disclosed is a novel optically active compound which exhibits an antiferroelectric liquid crystal phase and has a low threshold voltage and a low viscosity, a novel optically active compound which doesn't exhibit an antiferroelectric liquid crystal phase but can be incorporated in an antiferroelectric liquid crystal having a high threshold voltage to reduce the threshold voltage thereof, an antiferroelectric liquid crystal composition containing the compound, and a process for the reduction of the threshold voltage of an antiferroelectric liquid crystal composition.

Optically active compound and antiferroelectric liquid crystal

A liquid crystal compound represented by formula (I) and a liquid crystal composition containing the same. The compound exhibits an antiferroelectric liquid crystal phase and has good compatibility with known liquid crystal compounds. ##STR1## wherein R.sup.1 represents a straight-chain or branched alkyl, alkoxy, alkoxycarbonyl, alkanoyloxy or alkoxycarbonyloxy group having 4 to 16 carbon atoms; R.sup.2 represents a straight-chain alkyl group having 4 to 10 carbon atoms or a branched alkyl group containing 1 to 3 carbon atoms in its branch and 4 to 12 carbon atoms in total; X represents an oxygen or sulfur atom; rings A and B each represent an F-substituted or unsubstituted phenylene group, a cyclohexylene group or a divalent nitrogen-containing heterocyclic group, provided that either one of rings A and B is the nitrogen-containing heterocyclic group; ring C represents an F-substituted or unsubstituted phenylene group; and C* represents an asymmetric carbon atom.

Liquid crystal compound and liquid crystal composition containing the

An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 6 to 16 carbon atoms; R.sup.2 represents a straight chain alkyl group having 3 to 8 carbon atoms or a branched alkyl group having 4 to 10 carbon atoms; and * means an asymmetric carbon atom, and an antiferroelectric liquid crystal composition comprising at least one liquid crystal compound as defined above. The optically active compound of the present invention is highly miscible with a number of known antiferroelectric liquid crystal compounds and thus capable of providing liquid crystal materials having improved temperature properties. A liquid crystal composition containing the optically active compound of the present invention is applicable to electro-optical devices with the use of antiferroelectric liquid crystals.

Antiferroelectric liquid crystal compound and antiferroelectric liquid

A reagent system and method are described for optically measuring direct bilirubin by the reaction of a bilirubin oxidase, oxidizing agent or diazonium salt, with the direct bilirubin, wherein a tetrapyrrole compound is provided in the presence of the bilirubin oxidase, oxidizing agent or diazonium salt. It is possible to accurately measure the direct bilirubin, which is known to increase considerably in the biological fluids of patients having obstructive jaundice, etc. The reagent system and method are useful in clinical settings, etc.

Reagent for measuring direct bilirubin

Ferroelectric liquid crystal device with angles between smectic layers

A ferroelectric liquid crystal composition exhibiting a chiral smectic C phase, in which the tilt angle with an electric field applied is from 12.degree. to 18.degree. and the tilt angle during memory is from 8.degree. to 15.degree., and a liquid crystal display device are disclosed. The composition has high memory effects, high display contrast, and high rate of reponse.

Ferroelectric liquid crystal composition and liquid crystal display

A rubber composition for cleaning a metal mold comprises a rubber, an aminoalcohol, a glycol, an adsorptive, and if desired, an organic silane of the formula, Z.sup.1 -Alk.sup.1 -S.sub.n -Alk.sup.2 -Z.sup.2 where Z.sup.1 and Z.sup.2 are--Si(R.sup.1) (R.sup.2)(R.sup.3) where R.sup.1, R.sup.2 and R.sup.3 are C.sub.1-4 alkoxy, Alk.sup.1 and Alk.sup.2 are C.sub.1 -C.sub.6 hydrocarbylene, n is 2-6, or an organic peroxide having a predetermined half-life due to decomposition. Metal molds are cleaned by bringing the above-mentioned rubber composition into contact with a surface of a dirtied metal mold and heating.

Method for cleaning a metal mold

A rubber composition for cleaning a metal mold comprises a rubber, an aminoalcohol, a glycol, an adsorptive, and if desired, an organic silane of the formula, Z.sup.1 --Alk.sup.1 --S.sub.n --Alk.sup.2 --Z.sup.2 where Z.sup.1 and Z.sup.2 are --Si(R.sup.1) (R.sup.2)(R.sup.3) where R.sup.1, R.sup.2 and R.sup.3 are C.sub.1-4 alkoxy, Alk.sup.1 and Alk.sup.2 are C.sub.1 -C.sub.6 hydrocarbylene, n is 2-6, or an organic peroxide having a predetermined half-life due to decomposition. Metal molds are cleaned by bringing the above-mentioned rubber composition into contact with a surface of a dirtied metal mold and heating.

Rubber composition

Growing community of inventors

Tokyo, Japan

Hitoshi Kondo