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Mitsui Toatsu Chemicals, Inc. Patents
Mitsui Toatsu Chemicals, Inc.
Tokyo, JP
No. of patents:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
RE34984 Nylon composition having increased hydroylzability and method for increasing hydrolyzability of June 27, 1995
The present invention provides a nylon composition having increased hydrolyzability which is obtained by physically mixing 100 parts by weight of a nylon with 1 to 50 parts by weight of at least one polymer selected from the group consisting of polylactic acid, polyglycolic acid and a
5869184 Diguanamines and preparation process, derivatives and use thereof February 9, 1999
Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.l]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclo-hexanes, and derivatives thereof, applications of these compounds in fields such as adhesiv
5837797 Process for preparing a sulfur-containing urethane-based plastic lens and the lens prepared ther November 17, 1998
A novel polythiol having four or more functional groups, a process for producing the polythiol comprising reacting thiourea with a specific compound, a sulfur-containing urethane-based resin prepared from the polythiol and a lens made of the resin. The resin has a high refractive ind
5830732 Phytase November 3, 1998
A novel phytase is disclosed. The phytase consists essentially of a single type of subunits, and can hydrolyze a phytate to myo-inositol. A gene encoding the phytase, which is originated from Schwanniomyces occidentalis is also disclosed.
5798422 Aromatic hydroxycarboxylic acid resins and their use August 25, 1998
Disclosed are an aromatic hydroxycarboxylic acid resin represented by the following formula (1): ##STR1## wherein each A group is the same or different and individually represents a substituted or unsubstituted phenylene or naphthylene group, R.sup.1 represents a hydrogen atom or
5777175 Preparation of polyoxyalkylene polyols, polymer polyols and flexible polyurethane foams July 7, 1998
Propylene oxide is added to an active hydrogen compound in the presence of an alkali metal hydroxide catalyst in an amount of from 0.05 to 0.5 mole per mole of the active hydrogen compound at a reaction temperature of from to C. at a reaction pressure less than or e
5773172 Color filter having novel dyestuff June 30, 1998
Dyestuffs represented by the below-described formula (1), that is, dyestuffs formed of a chromophoric nucleus and a bisphenol introduced therein have excellent solubility in solvents and binder resins, and can provide color filters having excellent transmittance characteristics and d
5770683 Preparation process of polyhydroxycarboxylic acid June 23, 1998
A preparation process of polyhydroxycarboxylic acid comprising conducting dehydration polycondensation of hydroxycarboxylic acid or an oligomer of the same in a reaction mixture containing said hydroxycarboxylic acid or the oligomer of the same and an organic solvent substantially in the
5770108 Pyrimidine compound and liquid crystal composition and liquid crystal element using the same June 23, 1998
A novel pyrimidine compound represented by the following Formulas (1) and (2), a liquid crystal composition containing said compound and a liquid crystal element having excellent characteristics such as high speed response, orientation and high contrast ratio. ##STR1## wherein R.
5763537 Polyimide based resin composition June 9, 1998
A is a polyimide based resin molding composition comprising 100 parts by weight of crystalline polyimide having recurring structural units of the formula (1): ##STR1## and 1.about.50 parts by weight of crystallization accelerators selected from bisimide compounds of specific stru
5763513 L-lactic acid polymer composition, molded product and film June 9, 1998
A lactic acid polymer composition comprising formulating 100 parts by weight of a mixture consisting of 80-95% by weight of an L-lactic acid polymer having an L-lactic acid proportion of 75% or more and 5-20% by weight of a plasticizer selected from the group consisting of a polyhydric
5760187 Purification process of a human growth hormone June 2, 1998
A human growth hormone can be purified by allowing a solution containing the human growth hormone to contact with a blue pigment-bonded carrier in order to selectively adsorb the human growth hormone, then eluting the human growth hormone with an eluant of high ionic strength or an eluan
5759810 Method for secretory production of protein June 2, 1998
In producing a recombinant protein in the periplasm of Escherichia coli, the productivity of the target ecombinant protein can be promoted by coexpressing glutathione reductase artificially with the target recombinant protein.
5759469 Method for preparing molded articles of syndiotactic polypropylene June 2, 1998
A molded article of a syndiotactic polypropylene having excellent transparency in which a melting point attributed to the polypropylene having the syndiotactic structure measured at a heating rate of C./minute by differential scanning thermal analysis is represented by a s
5756766 Composition for optical materials and use thereof May 26, 1998
A composition for optical materials is herein disclosed which comprises the following two components (a) and (b):(a) a component containing at least one of poly isocyanates represented by the formula (1) ##STR1## wherein A is an alkanediyl group or an alkanetetrayl group which may
5756319 Production process of S-phenyl-L-cysteine May 26, 1998
S-phenyl-L-cysteine can be produced in a high yield by reacting thiophenol and L-serine under the action of tryptophan synthase at a pH in a range of from 9.0 to 10.5. Purification of S-phenyl-L-cysteine obtained by this enzyme reaction can be effectively achieved by adjusting the pH of
5753730 Plastic lenses having a high-refractive index, process for the preparation thereof and casting p May 19, 1998
One aspect of the present invention relates to a process for preparing plastic lenses having a high-refractive index comprising forming a mixture containing one or more polyisocyanate compounds; one or more active hydrogen compounds selected from the group consisting of a polyol compound
5751483 Color filter having polarizability May 12, 1998
The present invention relates to a color filter having polarizability, which comprises a dye having a spectral transmissibility, a dichroic dye having a polarizability, corresponding to the former dye and a base resin. The filter can be produced by coating and fixing the former dye on a
5750779 Preparation process of acyl halide or sulfonyl halide May 12, 1998
A preparation process of acyl halide or sulfonyl halide which comprises reacting corresponding carboxylic acid or sulfonic acid with a haloiminium salt represented by the general formula (1): ##STR1## wherein R.sup.1 and R.sup.2 are same or different lower alkyl groups, X is a ha
5750599 Quinophthalone compounds and polarizing films using same May 12, 1998
Novel quinophthalone compounds, which are represented by the following formula (1): ##STR1## R.sub.1 -R.sub.5 each independently represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, substituted or unsubstituted cycloalkyl, halogenated alkyl, alkoxyalkyl,
5750267 Transparent conductive laminate May 12, 1998
A transparent panel heater which can be used for heating a window portion of liquid crystal displays, refrigerated showcases, freezed showcases, defrosters of windshields, and the like. The panel heater has a transparent substrate, a transparent conductive film formed on the substrat
5750229 Phthalocyanine compound and optical recording medium containing it May 12, 1998
A phthalocyanine represented by the formula (1) ##STR1## wherein each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently an alkyl group substituted by 0 to 5 halogen atoms and having 1 to 20 carbon atoms, an alkenyl group substituted by 0 to 5 halogen atoms and having 2 to
5747637 Bioabsorbable polymer and process for preparing the same May 5, 1998
A bioabsorbable, ternary block copolymer consisting essentially of (A) polylactic acid segment, (B) poly(.epsilon.-caprolactone) segment and (C) polyglycolic acid segment, preparation process of the block copolymer, and medical molded articles prepared from said block copolymer. The
5747518 Substituted thiophene derivative and agricultural and horticultural fungicide containing the sam May 5, 1998
The substituted thiophene derivative of the invention which is represented by the general formula (1) has a broad disease spectrum for a pathogenic fungus of various crops, exhibits an excellent controlling effect on disease such as gray mold, powdery mildew and rust in particular, and i
5744653 Method for preparing 1,3-dihydroxy-4,6-bis(.alpha.-methyl-.alpha.(4'-hydroxyphenyl)ethyl)benz April 28, 1998
A method for preparing 1,3-dihydroxy-4,6-bis[.alpha.-methyl-.alpha.-.alpha.(4'-hydroxyphenyl)ethy l]benzene represented by the following formula (1): ##STR1## comprising the step of initiating a reaction of resorcin with 4-isopropenylphenol in a mixed solvent which comprises a non
5744522 Low gloss coating compositions April 28, 1998
A low gloss coating composition having a gloss of less than about 60 which contains:a) a glycidyl group-containing acrylic copolymer;b) an aromatic polyester; andc) an isocyanurate curing agent having the formula: ##STR1## wherein R.sub.1 -R.sub.3 are independently selected fr
5744504 Diguanamines and preparation process, derivatives and use thereof April 28, 1998
Provided by the present invention are novel diguanamine derivatives, led by 2,5/2,6-bis(4,6-diamino-1,3,5-triazin-2-yl)-bicyclo[2.2.1]heptanes and 1,3/1,4-bis(4,6-diamino-1,3,5-triazin-2-yl)-cyclohexanes, and derivatives thereof, applications of these compounds in fields such as adhesive
5739298 Water-soluble azo compounds April 14, 1998
Novel azo compounds having the specific structural formula (1) or (3) set out below, water-soluble dyes containing the compounds, and polarizing films containing the water-soluble dyes: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or a hydroxyl, C.sub.1-2 alkyl,
5736609 Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comp April 7, 1998
The present invention discloses a sulfur-containing urethane-based resin composition of the present invention is directed to a sulfur-containing urethane-based resin composition which comprises a polythiol compound represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 and
5730977 Anti-VEGF human monoclonal antibody March 24, 1998
The present invention provides an anti-VEGF human monoclonal antibody capable of binding to human VEGF to neutralize its activity, a cell strain producing said human monoclonal antibody, and a vascularization inhibitor containing said human monoclonal antibody. Hybridoma strains VA01 and
5728790 Thermosetting powder paint, coating method using said paint, and article coated with said paint March 17, 1998
The present invention relates to a thermosetting powder paint comprising, as essential components, (A) a copolymer of particular composition composed of a glycidyl group-containing monomer, styrene and other monomer copolymerizable therewith and, as curing agents capable of reacting with
5728780 Method of preventing scale adhesion to the surfaces of a polymerization tank and the like March 17, 1998
In a novel method of homo- or copolymerization of vinyl chloride, a specified coating agent is applied on the surfaces of the portions which will become into contact with the vinyl chloride monomer during the polymerization process. The coating agent is in a form of an aqueous soluti
5728775 Heat-resistant high-nitrile polymer compositions and process for preparing same March 17, 1998
A heat-resistant high-nitrile polymer composition obtained by the graft copolymerization of 100 parts by weight of a monomer mixture comprising 50 to 80% by weight of an unsaturated nitrile monomer, a maleimide monomer, an aromatic vinyl monomer, and a monomer copolymerizable with the
5728642 Exhaust gas treating agent and a method of treating exhaust gas using the agent March 17, 1998
There is provided with a method of treating an exhaust gas comprising the steps of loading into a column an exhaust gas treating agent containing as a main component a metal of which surface is fluorinated previously; passing through the column the exhaust gas containing nitrogen trifluo
5725940 Composite molded article and method for making same March 10, 1998
A composite molded article which is produced by joining multilayer boards composed of fiber-reinforced thermoplastic resin onto the surface of a core material made of a foamed resin, and its production method.The composite molded article is constituted by a core material which is compose
5719145 Amidine derivatives and platelet aggregation inhibitor containing the same February 17, 1998
The invention relates to a substituted amidine derivative which has an excellent platelet aggregation inhibiting action on the basis of fibrinogen antagonism and is particularly excellent in effectiveness on oral administration, and the platelet aggregation inhibitor containing the s
5714646 Process for producing isopropyl alcohol February 3, 1998
A process for producing isopropyl alcohol by hydrating directly propylene and water in the presence of a strong acid solid catalyst which includes feeding continuously propylene, water which is the same as or more than propylene in terms of mole, and a saturated hydrocarbon (propane, but
5714534 Resin compositions having excellent antistatic properties February 3, 1998
A resin composition having excellent antistatic properties is provided which comprises (A) 100 parts by weight of a styrene resin, (B) 3 to 35 parts by weight of a polyethylene oxide, (C) 0.1 to 10 parts by weight of a styrene-acrylonitrile-hydroxyalkyl acrylate copolymer and/or a st
5714230 Degradable aliphatic polyester formed products February 3, 1998
Formed products such as foams, fabrics for industrial materials, filaments, nonwoven fabrics, composite materials and films which are degradable after use with ease in the natural environment are prepared by using a high molecular weight aliphatic polyester obtained by direct polycondens
5710856 Light reflective sheet and light reflector using it January 20, 1998
A light reflective sheet is here disclosed which comprises a porous resin sheet and a protective layer laminated on at least one surface of the porous resin sheet; the porous resin sheet comprises a polyolefin resin and 100 to 300 parts by weight of a finely powdery inorganic filler with
5710335 Process for preparing 3-(N,N-disubstituted amino)phenol January 20, 1998
A process for preparing a 3-(N,N-disubstituted amino)phenol is herein disclosed which comprises reacting resorcin with a primary amine represented by formula (2):wherein R.sup.1 is an alkyl group, a cycloalkyl group, an alkenyl group, an alkoxyalkyl group, an aryl group or an aralkyl gro
5710334 Aromatic dinitro and diamino intermediates January 20, 1998
This invention relates to a novel thermoplastic and amorphous polyimide which is readily soluble in organic solvent, a novel aromatic diamino compound used for the polyimide, a preparation process thereof, a polyimide-based resin composition comprising the thermoplastic polyimide and
5708128 Linear polyamic acid, linear polyimide and thermoset polyimide January 13, 1998
Novel thermoset polyimide and composite materials comprising the thermoset polyimides and a fibrous reinforcement are prepared according to this invention. The thermoset polyimides are obtained by heat-treating a linear polyamic acid or a linear polyimide prepared by using 4,4'-bis(3
5707919 Catalyst for preparing chlorine from hydrogen chloride January 13, 1998
A method for preparing an improved catalyst for use in the preparation of chlorine by the oxidization of hydrogen chloride with an oxygen-containing gas. The catalyst mainly comprises chromium oxide and can be used for a long period of time particularly under low oxygen content condition
5705101 Near infrared absorber, preparation process therefor and use thereof January 6, 1998
A phthalocyanine near infrared absorber having a broad absorption range in the near infrared region and represented by the following formula (1): ##STR1## wherein each of the groups is defined.
5698682 Azo compounds and polarizing films using the compounds December 16, 1997
The present invention provides a polarizing film having high heat resistance and a high degree of polarization and excellent optical properties by dyeing a polymer film with a novel azo compound represented by the following formula (1) or (2): ##STR1##
5698634 Process for preparing block copolymer of monoolefin December 16, 1997
A process for preparing a block copolymer of an .alpha.-olefin and a vinyl compound is here disclosed which comprises the steps of polymerizing an olefin selected from ethylene and the .alpha.-olefin having 3 or more carbon atoms by the use of a divalent or a trivalent rare earth metal
5696758 Optical recording media December 9, 1997
Provided is an optical recording medium in which per-pits in a ROM area have a depth of 250 nm or more and 350 nm or less; pre-grooves between the pre-pits have a depth of 30 nm or more and 170 nm or less; wobbling tracks have an amplitude of 25 nm or more and 110 nm or less; the product
5693738 Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composi December 2, 1997
A composition for a urethane-base plastic lens, comprising:(a) at least one ester compound selected from the group consisting of isocyanate compounds, isothiocyanate compounds and isocyanato-containing isothiocyanate compounds,(b) at least one active hydrogen compound selected from the group
5693396 Phthalocyanine compounds and optical recording media comprising them December 2, 1997
A near infrared light-absorbing dye comprising phthalocyanine compounds represented by the following formula (2): ##STR1## wherein in formula (2), M is two hydrogen atoms, a divalent metallic atom, a trivalent monosubstituted metallic atom, a tetravalent disubstituted metallic at
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