Patents Assigned to Toray Industries, Inc.
  • Patent number: 6161057
    Abstract: The present invention provides an apparatus and method for analyzing a process of fluid flow such as an injection molding process within a practical computing time using a three-dimensional model divided into a plurality of small elements to represent a cavity in which a fluid flows, and provides also an apparatus and method for analyzing an injection molding process, an injection molded product, and a method for producing an injection molded product.The apparatus and method for analyzing a process of fluid flow of the present invention comprises constructing a three-dimensional model divided into a plurality of small elements to represent a cavity in which a fluid flows, determining the flow conductances .kappa. based on the flow thicknesses in the cavity, and computing pressures, pressure transitions or flow velocities at the respective small elements based on the flow conductances.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: December 12, 2000
    Assignee: Toray Industries, Inc.
    Inventor: Ryo Nakano
  • Patent number: 6159658
    Abstract: Disclosed are a photosensitive resin composition for printing plate materials, which comprise a polymer having an ionic group and a polymerizable group in the side chain, and a printing plate material as formed by applying the composition onto a support. The hardness of the photosensitive layer of the composition is hardly influenced by temperature and water, and the layer, after having been developed, has good resistance to aqueous ink.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: December 12, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Shinji Tanaka, Shigetora Kashio, Katsutoshi Sasashita
  • Patent number: 6156867
    Abstract: The present invention relates to a polyester polymerization catalyst, comprising a solution containing an aluminum compound and an alkali compound, with water or an organic solvent or a mixture consisting of water and an organic solvent as the medium, a production method thereof, and a polyester production method, in which the product obtained by the esterification reaction or ester interchange reaction between an aromatic dicarboxylic acid or any of its ester forming derivative and a diol is polycondensed, to produce a polyester, comprising the use of said polymerization catalyst containing an aluminum compound.The present invention can provide a polyester excellent in processability and can overcome such problems as spinneret contamination, filtration pressure rise, filament breaking, film breaking and foreign matter production in the production process of products such as fibers, films, resins and bottles.
    Type: Grant
    Filed: November 6, 1998
    Date of Patent: December 5, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Masatoshi Aoyama, Kenichi Tsutsumi, Minoru Uchida
  • Patent number: 6156762
    Abstract: The present invention provides an indolomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing and preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the following formula (I): ##STR1## [wherein R.sup.1 represents cyclopropylmethyl or the like; R.sup.2 and R.sup.3 each represent hydroxy methoxy, or the like; R.sup.4 represents hydrogen, methyl, benzyl, 3-isothiocyanatopropyl, or the like; and (R.sup.5).sub.m represents hydrogen, substituted benzo, or the like]. The compounds of the present invention have the excellent effect of preventing damage of the cerebral nerve cells.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: December 5, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hiroshi Nagase, Yoshifumi Imamura, Junichi Hirokawa, Susumu Matsuda, Yasushi Miyauchi
  • Patent number: 6156072
    Abstract: This invention relates to a method of manufacturing a fabric for ink jet printing and to an ink jet printing method for imparting to the fabric a clear and sharp image free from ink oozing in ink jet printing. Specifically, it relates to a method of manufacturing a fabric for ink jet printing which is characterized in that an aqueous treatment solution having a water-insoluble solvent dispersed or emulsified in an aqueous polymer solution is imparted to the fabric and dried; and to an ink jet printing method characterized in that the ink jet printing is made with the ink jet printing fabric used and that after developing, the pretreatment agent is removed by washing the fabric.
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: December 5, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hiromi Usui, Yutaka Masuda, Nobuyoshi Handa
  • Patent number: 6153121
    Abstract: Disclosed are a liquid-crystalline resin composition comprising (A) from 20 to 99 parts by weight of a liquid-crystalline resin and (B) from 1 to 80 parts by weight of aluminium borate whiskers of which the grain size distribution as obtained through laser diffractometry is such that D90/D10 is from 7.5 to 20, and precision moldings of the composition.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: November 28, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Yoshiki Makabe, Norio Kitajima, Toshihide Inoue
  • Patent number: 6153679
    Abstract: Titanium oxide and a thermoplastic resin composition incorporated therewith, said titanium oxide being characterized by its property that it disperses into ethylene glycol (as a dispersing medium) to give a 13 wt % suspension which has a specific resistance higher than 7000 .OMEGA..multidot.cm and passes through a filter paper with a pore size of 6 .mu.m such that the filtration pressure does not exceed 100 kPa after filtration for 4 minutes at a flow rate of 1.73 cm.sup.3 /min.multidot.cm.sup.2.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: November 28, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Tomio Kawaji, Ryosuke Asakura, Tomohiro Taniguchi
  • Patent number: 6147084
    Abstract: The present invention relates to a novel brain cell protective agent having for its active ingredient a morphinan derivative represented with Compound 1 ##STR1## or pharmacologically acceptable acid addition salt thereof. The compounds used in the present invention were found to have excellent defensive effects against brain nerve cell necrosis in both in vitro and in vivo pharmacological evaluations, and can be used as useful preventive and therapeutic agents of ischemic brain disorders, brain nerve cell disorders and dementia.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: November 14, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hiroshi Nagase, Yoshifumi Imamura, Takashi Endo, Susumu Matsuda, Yasushi Miyauchi
  • Patent number: 6143804
    Abstract: A polyolefinic resin is combined with a (meth)acrylic polyfunctional monomer compound having an aromatic ring, an alicyclic ring or a heterocyclic ring nearly in the center of its chemical formula, and a pyrolyzable chemical foaming agent to give a curable and foamable polyolefinic resin composition. The composition is shaped into a sheet, then cured and foamed into a sheet foam. The cured foam of polyolefinic resin has a curing degree of from 10 to 70%, and has the advantages of good heat resistance, good workability and shapability, and good pressure resistance.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: November 7, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Nario Uejyukkoku, Motoi Naito, Fusayoshi Akimaru, Akihiro Kataoka, Masakazu Kanazawa
  • Patent number: 6139639
    Abstract: A coating apparatus which comprises a feeding means to feed a coating liquid, a coating liquid applicator having a slot extending in one direction to discharge the coating liquid fed by the feeding means, and a conveying means to move at least either the coating liquid applicator or a substrate to be coated with the coating liquid relatively one to the other, comprising: (a) a first control means which comprises (a-1) a position detecting means to detect positions of the coating liquid applicator or the substrate which is moved by the conveying means, and (a-2) a controller capable of stopping the coating liquid applicator or the substrate which is moved by the conveying means at a position detected by the position detecting means such that a start-of-coating line of the substrate is in register with the slot of the coating liquid applicator and capable of starting the movement of the coating liquid applicator or the substrate which is stopped at the position; and (b) a second control means which comprises a
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: October 31, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Yoshiyuki Kitamura, Hideo Ido, Tetsuo Suzuki, Kazuhiko Abe, Hiromitsu Kanamori, Tetsuya Goto, Takayoshi Akamatsu, Masaharu Tooyama, Toshihide Sekido
  • Patent number: 6136892
    Abstract: A flame retardant resin composition including 100 parts by weight of component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. Component (A) may be a thermoplastic resin polyethylene terephthalate and ethylene terephthalate copolymers, and polyethylene terephthalate and/or ethylene terephthalate copolymer, and component (B) may be a thermoplastic resin selected from ##STR1## (O--R.sup.2 --O), (O--CH.sub.2 CH.sub.2 --O) and ##STR2## wherein R.sup.1, R.sup.2, and R.sup.3 are divalent aromatic residues.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: October 24, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Kouji Yamauchi, Hideo Matsuoka, Hideki Matsumoto, Toshihide Inoue
  • Patent number: 6136409
    Abstract: A nonwoven fabric comprising thermoplastic resin fiber bundles, wherein numerically at least about 50% of all the fibers present are bonded to each other in the form of fiber bundles. The fiber bundles are arranged along substantially one direction.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: October 24, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Goro Kondo, Katsutoshi Ando, Koji Sugano
  • Patent number: 6134759
    Abstract: An apparatus for fluid treatment of yarn, which has a yarn passage and a fluid passage with a fluid outlet in the yarn passage, wherein the fluid passage has a substantially straight passage and an expanding passage existing between the end of the substantially straight passage and the fluid outlet, and that the width of the expanding passage in the direction parallel to the axial line of the yarn passage increases gradually from the end of the substantially straight passage to the fluid outlet.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: October 24, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Teruaki Saijo, Takao Sano, Kouji Shimada
  • Patent number: 6135161
    Abstract: A method for producing a fabric, by a loom equipped with healds, a reed and a back roller, characterized by using synthetic filament yarns as the warp yarns and the weft yarns to be supplied to the loom, using a drive system having a cam for the shedding and closing motions of the healds, and keeping the dwell angle of the healds in a range from 85 to 120 degrees. The back roller is equipped with a positive easing mechanism, and the easing quantity by the easing mechanism is adjusted in a range from about 5 to about 15 mm. Where the warp yarns positioned in the selvages of the fabric among the warp yarns are called selvage yarns and the warp yarns additionally added to the selvage yarns are called insert yarns, then the number of insert yarns per 10 selvage yarns is in a range of from 1 to 10, and one selvage yarn each and one insert yarn each are guided through each dent of the reed.
    Type: Grant
    Filed: June 17, 1999
    Date of Patent: October 24, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Junichi Nakano, Tomomichi Fujiyama, Masao Seki, Kiyokazu Minami
  • Patent number: 6130338
    Abstract: A method for producing pyrrolidine derivatives such as 3,4-epoxypyrrolodines, 3-pyrrolidols and the like, by oxidizing 3-pyrrolines with at least one peroxide in the presence of at least one acid is disclosed. The 3-pyrrolines are produced by deriving cis-2-butene compounds from cis-2-butene-1,4-diols and performing a cyclization between the cis-2-butene derivatives and at least one primary amine. The method may be performed as a one-pot synthesis and may be performed as a continuous reaction.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: October 10, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hideo Muraoka, Haruyo Sato
  • Patent number: 6127413
    Abstract: This invention relates to an agent for decreasing ocular tension comprising as an effective ingredient a 4,8-inter-m-phenylene PGI.sub.2 derivative represented by the formula: ##STR1## or a pharmaceutically acceptable salt thereof. The agent for decreasing ocular tension according to the present invention is useful as a therapeutic agent for treating various high ocular tension states such as glaucoma, ocular hypertension and high ocular tension which occurs after surgery.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: October 3, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hajimu Kurumatani, Ayako Kawashima, Masafumi Isogaya, Hisanori Wakita
  • Patent number: 6124031
    Abstract: Disclosed are a thermoplastic polyester composition comprising a thermoplastic polyester (A) prepared from an acid component mainly comprising an aromatic dicarboxylic acid and a glycol component mainly comprising an aliphatic glycol and .theta.-type aluminum oxide particles (B); a thermoplastic polyester composition comprising the thermoplastic polyester (A) and a mixture (C) of two or more kinds of aluminum oxide particles different from each other in crystal structure; and films made from these compositions. Particularly, the films formed from the compositions can have excellent slipping property, abrasion resistance, and scratch resistance in repeated high-speed running.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: September 26, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Minoru Yoshida, Toshihiro Sasaki, Toshiaki Ueda, Masatoshi Aoyama, Masaru Suzuki
  • Patent number: 6121388
    Abstract: A polyamide resin composition comprising 100 parts by weight of a polyamide resin, from 0.01 to 100 parts by weight of a liquid-crystalline resin, and from 0.01 to 5 parts by weight of an acid anhydride all the time has good fluidity even when it is left for a relatively long period of residence time in a cylinder of a molding machine while it is molded, and has good moldability. The amount of cushion resin needed for molding the composition fluctuates little, and the failure such as cobwebbing in molding the composition is reduced. The moldings of the composition have good impact resistance and good outward appearance. The composition is most suitable to producing box-type moldings with thin-wall parts.
    Type: Grant
    Filed: April 6, 1999
    Date of Patent: September 19, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hidevuki Umetsu, Masahiro Sugimura, Yoshiki Makabe
  • Patent number: 6117551
    Abstract: The present invention relates to a carbon fiber prepreg. The carbon fiber prepreg of the present invention is characterized in that a carbon fiber bundle comprising a plurality of continuous carbon filaments and having a hook drop value of 10 cm or more as the degree of fiber entanglement is impregnated with a base resin mainly composed of a thermosetting resin, and that particles of 150 .mu.m or less in particle size made of a thermoplastic resin account for 20 wt % or less based on the weight of the entire prepreg and distributed at a higher concentration in the surface zone than in the inside. The carbon fiber prepreg of the present invention is good in tackiness and less changing in tackiness with the lapse of time, and can form a composite with an excellent compression interlaminar shear strength (CILS) at high temperature after moisture absorption while maintaining good impact resistance.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: September 12, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Hideo Nagata, Nobuyuki Odagiri, Takeshi Terashita, Hajime Kishi, Shoji Yamane
  • Patent number: 6117483
    Abstract: A method for storing a polyester film for a magnetic recording medium, characterized in that a polyester film for a magnetic recording medium with a surface roughness Ra of 6 nm or less on the surface A on one side is stored substantially in a storing atmosphere having a storing temperature kept in a range from 10.degree. C. to 35.degree. C. The polyester film stored according to this storing method is used as a base film for producing magnetic tapes.
    Type: Grant
    Filed: September 17, 1999
    Date of Patent: September 12, 2000
    Assignee: Toray Industries, Inc.
    Inventors: Masaaki Ono, Katsuya Okamoto, Tadashi Harada