Patents Assigned to Sumitomo Chemical Co., Ltd.
  • Patent number: 6350577
    Abstract: There are provided a plasmid characterized by having the nucleotide sequence of SEQ ID NO: 1, a plasmid characterized by having the nucleotide sequence of SEQ ID NO: 2, a plasmid characterized by having at least a part of the nucleotide sequences of SEQ ID NOs: 1 and 2 and further containing a selective marker gene, each plasmid being usable as a transformation vector for effecting gene manipulation in ammonia oxidizing bacteria, and transformants characterized in that they are obtained by transferring these plasmids into host organisms.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: February 26, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Hisao Ohtake, Junichi Kato, Yosuke Nakamura
  • Patent number: 6346261
    Abstract: A pesticidal composition which comprises an insect growth regulating compound (for example, pyriproxyfen) and carane-3,4-diol (for example 1S,3S,4S,6R-carane-3,4-diol) as an active ingredient. The pesticidal composition is highly effective for pests, especially flea eggs.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: February 12, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventor: Satoshi Sembo
  • Patent number: 6346580
    Abstract: A thermoplastic resin composition comprising 5 to 50% by weight of a propylene homopolymer(A) having an intrinsic viscosity measured in a tetralin solution at 135° C. of 1.2 dl/g or more, having a boiling heptane-insoluble portion content of 5.0 to 50.0% by weight and having an intrinsic viscosity measured in a tetralin solution at 135° C. of the boiling heptane-insoluble portion of 4.3 dl/g or less, and 95 to 50% by weight of a propylene-based resin(B) consisting of a propylene homopolymer(B1) having an isotactic pentad fraction of 0.970 or more or a composition consisting of at least 65% by weight of the propylene homopolymer(B1) and up to 35% by weight of an ethylene-propylene random copolymer(B2).
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: February 12, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Masayuki Fujita, Kenji Atarashi
  • Patent number: 6344300
    Abstract: A color filter comprising a transparent substrate, a light-shielding layer patterned on said transparent substrate, and colored pixels of plural colors patterned on a portion of said substrate where said light-shielding layer is not formed, wherein said colored pixels of at least one color are formed from a photosensitive coloring composition comprising: (A) a pigment; (B) a copolymer of (meth)acrylic acid, as one monomer, and at least one other monomer; (C) a photopolymerizable monomer; (D) a photopolymerizable initiator; and (F) a solvent; and an acid value of a nonvolatile component of said photosensitive coloring composition is 25 through 60 mg KOH/g; and after forming the colored pixels from a photosensitive coloring composition, the light-shielding layer attains reflectance at 380 through 780 nm of 95% or more of reflectance thereof before coating the photosensitive coloring composition; and the transparent portion of the substrate attains transmittance at 380 through 780 nm of 99.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: February 5, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Koji Baba, Shigeo Hozumi
  • Patent number: 6340763
    Abstract: There is disclosed a process for producing an acid salt of a (Z)-2-aminothiazole compound of the formula (I): wherein R1 and R2 independently represent an alkyl group having 1 to 5 carbon atoms, Y represents a halogen atom, —OSO3H or —OPO(OH)2, m indicates the valence number of an inorganic acid of the formula: HY wherein Y represents the same as defined above, and n indicates an integer of 1 or 2, which process is characterized by: reacting an acid salt of a 2-aminothiazole compound of the formula (II): wherein R1 and R2 independently represent an alkyl group having 1 to 5 carbon atoms, X represents a bromine atom or an iodine atom, and the wavy line means that this compound is a mixture of the E- and Z-isomers, with the inorganic acid of the formula HY.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: January 22, 2002
    Assignees: Sumitomo Chemical Co., Ltd., Shionogi & Co., Ltd.
    Inventors: Isao Kurimoto, Norihiko Hirata, Akihiko Nakamura, Yuichiro Aratake
  • Patent number: 6335026
    Abstract: A solid pesticidal composition containing acephate is stabilized by adding thereto at least one stabilizer selected from the group consisting of boron oxide, metaboric acid, aluminum oxide and the calcined product of synthetic silicon dioxide.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: January 1, 2002
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yasuyuki Katayama, Toshiro Ohtsubo, Daniel C. Heffernan
  • Patent number: 6316093
    Abstract: A resin composition comprising: a polyvinyl alcohol; and an inorganic laminar compound having an aspect ratio of not less than 50 and not more than 5000, which has a volume ratio of (inorganic laminar compound/polyvinyl alcohol) in the range of (5/95) to (30/70); and a laminate or laminate film comprising, as at least a portion thereof, a layer or portion (1) comprising such a resin composition. The resin composition, laminate or laminate film may exhibit a good gas barrier property while substantially retaining a good film strength.
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: November 13, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Kozo Kotani, Toshio Kawakita, Taiichi Sakaya, Toshiya Kuroda
  • Patent number: 6306935
    Abstract: Provided is a thermosetting resin composition for build-up method comprising (A) an epoxy resin having two or more glycidyl groups, (B) a curing agent for epoxy resin, (C) a poly(ether sulfone) and (D) an inorganic filler. The thermosetting resin composition does not deteriorate the processability such as that found in the conventional one and gives a cured product excellent in low-thermal expansion and low-water absorption.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: October 23, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Toshiaki Hayashi, Nobuyuki Nakajima, Noriaki Saito
  • Patent number: 6294643
    Abstract: An aromatic polyester having the following structural units (1) to (5) wherein the amount of the structural unit (1) is 40 to 70% based on the total of the all structural units, (2)/(3) is from 0.7 to 0.95, (4)/(5) is from 1.1 to 2.4, and {(2)+(3)}/{(4)+(5)} is from 0.9 to 1.1: wherein Ra, Rb, RC, Rd, Re and Rf represents a lower alkyl group, lower alkoxy group, phenyl group or halogen atom, and n represents an integer from 0 to 3, is provided, and the molded article made of this polyester has excellent heat resistant and consequently is not easily deformed.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: September 25, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Hiroshi Harada, Yoshifumi Yoshida
  • Patent number: 6288193
    Abstract: An ethylene-based polymer comprising ethylene and at least one addition polymerizable monomer containing a vinyl compound (A) described below, wherein the ethylene-based polymer has a melting temperature (Tm) of 119 ° C. or lower and, the melt index MI (g/10 minutes) of the ethylene-based polymer and the molar content “m” (mole %) of the vinyl compound (A) satisfy the following formula (1): Vinyl compound (A): a vinyl compound represented by the structural formula CH2═CH—R containing a saturated hydrocarbon group R wherein the substituent R has a steric parameter Es of not less than −2.77 and not more than −1.64 and the substituent R has a steric parameter B1 of not less than 1.53 and not more than 2.90: 0.01≧MI≦18+m1.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: September 11, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yuki Iseki, Yasuro Suzuki
  • Patent number: 6284782
    Abstract: A pesticidal composition comprising prallethrin and a neonicotinoid compound given in the following formula (1), (2) or (3), as an active ingredient wherein, A represents a 6-chloro-3-pyridyl, 2-chloro-5-thiazolyl, tetrahydrofuran-2-yl, tetrahydrofuran-3-yl, 5-methyltetrahydrofuran-3-yl, 3-pyridyl, 6-bromo-3-pyridyl, 3-cyanophenyl, 2-methyl-5-thiazolyl, 2-phenyl-5-thiazolyl or 2-bromo-5-thiazolyl group; R1 represents a hydrogen atom, methyl, ethyl, formyl or acetyl group; R2 represents a methyl, amino, methylamino, N,N-dimethylamino, ethylamino, N,N-diethylamino, N-methyl-N-ethylamnino, 1-pyrrolidinyl, (6-chloro-3-pyridyl) methylamino or N-methyl-N-(6-chloro-3-pyridyl)methylaniino group; R3 represents a methyl, ethyl, propyl, propenyl or propynyl group; X represents a nitrogen atom or CH group; Y represents a cyano, nitro or trifluoroacetyl group; Z represents a NH group or sulfur atom; D represents an oxygen atom or —N(CH,)— group; m represents 0 or 1; and n represents 2 or 3, h
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: September 4, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventor: Izumi Fujimoto
  • Patent number: 6280836
    Abstract: A multilayer molded article is produced using a composite skin layer made of a skin material and a foam sheet on a core layer of a thermoplastic resin in which a tensile modulus E of the skin material is not larger than 950 kg/cm2, and a tensile modulus E (kg/cm2), a heat shrinkage factor F (%) and a thickness t (cm) of the skin material satisfy the following relationship: 20/(E×t)+F≧2.5, which method produces a large size multilayer molded article having a complicated shape and no wrinkles, breakage or uneven marks in the skin material on the surface of the article.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: August 28, 2001
    Assignees: Sumitomo Chemical Co., Ltd., Suiryo Plastics Co., Ltd.
    Inventors: Takahisa Hara, Masahito Matsumoto, Hitoshi Nakada
  • Patent number: 6255409
    Abstract: An epoxy resin composition comprising (A) a bifunctional crystalline epoxy compound, (B) an amorphous trisphenolmethane type epoxy compound having three or more of epoxy groups in a molecule, and (C) an epoxy curing agent having phenolic hydroxyl groups. The resin composition has an excellent moldability (low viscosity and can be filled with filler with high density) and high softening point, and is used preferably as an encapsulating material for electronic device.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: July 3, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Yoshiki Matsuoka, Yasuhiro Hirano, Nobuyuki Nakajima
  • Patent number: 6225492
    Abstract: Provided is a method for purifying a cyanate at high yield from a cyanate crude product solution comprising a cyanate represented by the general formula (1), unsubstituted phenol and non-alcoholic solvent by contacting with a poor solvent containing an alcohol and water, to crystallize the cyanate: in the formula (1), A1 to A3 each independently represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; X represents a single bond, an organic group having 1 to 20 carbon atoms, a carbonyl group, a sulfone group, a divalent sulfur atom or oxygen atom; n represents an integer of 0 to 3; and i1 to i3 each independently represents an integer of 0 to 4. And also provided is a method for separating alcohol from non-alcoholic solvent effectively.
    Type: Grant
    Filed: October 6, 1999
    Date of Patent: May 1, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Satoshi Okamoto, Hisashi Watabu
  • Patent number: 6218338
    Abstract: A herbicidal composition for foliar treatment is described, which contains as active ingredients, (a) a compound of general formula [1] wherein R is alkyl, cycloalkyl, alkenyl, dimethylamino, or diethylamino; and (b) a compound selected from the group consisting of nicosulfuron, primisulfuron-methyl, rimsulfuron, halosulfuron-methyl, prosulfuron, thifensulfuron-methyl, chlorimuron-ethyl, or oxasulfuron. The herbicidal composition is useful for effective control of a wide variety of weeds in upland fields, particularly in corn fields and/or in soybean fields. Also described are a weeding method by foliar treatment of weeds with the above herbicidal composition; and use as a herbicide for foliar treatment, of a mixture of the above active ingredients.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: April 17, 2001
    Assignee: Sumitomo Chemical Co., LTD
    Inventor: Nobuaki Mito
  • Patent number: 6218552
    Abstract: A compound, 3-phenyl-7-[4-(tetrahydrofurfuryloxy)phenyl]-1,5-dioxa-s-indacene-2,6-dione, which has a structure of crystals exhibiting the strongest peak at an angle of diffraction, 2&thgr;, of 4.7°, among peaks appearing within the range of not smaller than 3° of 2&thgr;, in an X-ray diffraction using a Cu-K&agr;-ray. The compound gives dyed or printed products having deep and brilliant tint of colors with excellent fastnesses, when applied to hydrophobic fiber materials, particularly, polyester fiber materials.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: April 17, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Junichi Sekihachi, Jun Yamamoto, Yasuyoshi Ueda
  • Patent number: 6214952
    Abstract: A propylene random copolymer and a film laminate thereof is described having excellent blocking resistance and transparency and substantially maintaining favorable low-temperature heat-sealing properties after corona discharge treatment. The propylene random copolymer of the invention includes a propylene component and an &agr;-olefin component having 4 to 10 carbon atoms, wherein the content of the &agr;-olefin component is in the range of about 6% to about 40% by weight, the intrinsic viscosity [&eegr;] measured in tetralin at 135° C. is not lower than about 0.45 dl/g and not higher than about 5.0 dl/g, and the melting point (Tm) measured by a differential scanning calorimeter and the content of 20° C. xylene soluble fraction (CSX) fulfill a relationship of Tm≦140−35.693 log10(CXS).
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: April 10, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Hajime Sadatoshi, Makoto Satoh, Naofumi Naga
  • Patent number: 6204406
    Abstract: (S)-cyanohydrins are produced by asymmetric addition of hydrogen cyanide to aldehydes in the presence of a catalyst of cyclo-[(S)-leucyl-(S)-histidyl].
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: March 20, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Atsunori Mori, Yoshitaka Ikeda, Koichi Kinoshita, Shohei Inoue
  • Patent number: 6202947
    Abstract: A discharge device for discharging solids of a thermoplastic substance and fibers includes a discharge passage extending longitudinally and having an inner wall surface forming a passage opened at its lower end, a solid supply device for supplying the solids of the thermoplastic substances to a first position in the passage and a fiber supply device for supplying the fibers to a second position in the passage. A cross line on which a part of the inner wall surface extending downward from an upper one of the first position and the second position intersects a vertical plane forms an angle of 0 to 30° with respect to a vertical line, or all tangent lines for the cross line form angles from 0 to 30° with respect to a vertical line.
    Type: Grant
    Filed: December 29, 1997
    Date of Patent: March 20, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Masahito Matsumoto, Takeo Kitayama, Shigeyoshi Matsubara
  • Patent number: 6201017
    Abstract: An ectoparasite-controlling agent for animals comprising 0.1 to 20% by weight of the neonocotinoid compounds defined in the specification and 10 to 95% by weight of a glycol or glycol monoalkyl ether has an excellent effectiveness by the application methods such as spot-on and pour-on application.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: March 13, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Satoshi Sembo, Mitsuyasu Makita