417 patents
Page 11 of 21
Utility
Modified polymer latex production method
24 Aug 21
A method for producing a modified polymer latex includes: adding a carboxyl group-containing compound, an anionic surfactant having a weight-average molecular weight of less than 500, and an anionic surfactant having a weight-average molecular weight of 500 or more to a polyisoprene latex; and reacting the polyisoprene with the carboxyl group-containing compound in a presence of the anionic surfactant having a weight-average molecular weight of less than 500 and the anionic surfactant having a weight-average molecular weight of 500 or more.
Shunjin Aihara
Filed: 31 Jan 18
Utility
Latex composition
24 Aug 21
A latex composition is formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer.
Junji Kodemura, Misa Yamamoto
Filed: 23 Jan 17
Utility
Magenta toner
24 Aug 21
Provided is a magenta toner which is more excellent in durability in a high temperature and high humidity environment than conventional ones.
Mayuka Chiba, Hiroshi Nakatani
Filed: 26 Mar 18
Utility
Slurry for lithium ion secondary battery porous film, production method therefor, separator for lithium ion secondary battery, and lithium ion secondary battery
17 Aug 21
A slurry for a lithium ion secondary battery porous membrane, including non-conductive particles, a water-soluble polymer containing an acidic group-containing monomer unit, and a particulate polymer, wherein: an amount of the water-soluble polymer is 0.05 parts by weight to 2 parts by weight relative to 100 parts by weight of the non-conductive particles; and a BET specific surface area of the non-conductive particles is 5 m2/g to 10 m2/g.
Junnosuke Akiike
Filed: 19 Mar 14
Utility
Polymerizable compound, polymerizable composition, polymer, optically anisotropic body, and method for producing polymerizable compound
17 Aug 21
A polymerizable compound has a practical low melting point, excellent solubility in a general-purpose solvent, and can produce an optical film at low cost, exhibits low reflected luminance, and achieves uniform conversion of polarized light over a wide wavelength band, an optically anisotropic article.
Kei Sakamoto, Satoshi Kiriki, Kumi Okuyama, Kanako Taira
Filed: 8 Oct 19
Utility
Nitrile group-containing highly saturated copolymer rubber
17 Aug 21
The present invention provides a nitrile group-containing highly saturated copolymer rubber comprising an α,β-ethylenically unsaturated nitrile monomer unit in a content of 15 wt % or more and less than 28 wt %, an α,β-ethylenically unsaturated monocarboxylic acid ester monomer unit (b) in a content of 10 to 50 wt %, and a conjugated diene monomer unit (c) in a content of 22 to 75 wt %, and having an iodine value of 120 or less, wherein the conjugated diene monomer unit (c) is at least partially hydrogenated, and a proportion of an isoprene unit in the conjugated diene monomer unit (c) is 33 wt % or more.
Atsuhiro Shiono
Filed: 19 May 16
Utility
Cross-linked rubber and production method therefor
10 Aug 21
Provided is a cross-linked rubber that can improve long-term sealing properties of a seal member in high-temperature and high-pressure environments.
Masaaki Komatsu, Anna Komatsu, Seisuke Ata, Kenji Hata, Shigeki Tomonoh
Filed: 6 Jun 18
Utility
Method for producing synthetic polyisoprene latex
10 Aug 21
A method for producing a synthetic polyisoprene latex, including a step of mixing a latex of synthetic polyisoprene (A) synthesized by use of a Ziegler type catalyst and a latex of synthetic polyisoprene (B) synthesized by use of an organic alkali metal catalyst at a weight ratio of “synthetic polyisoprene (A): synthetic polyisoprene (B)=10:90 to 90:10”.
Junji Kodemura, Shunjin Aihara, Yoshitaka Satoh
Filed: 2 Nov 17
Utility
Resin film for electronic devices, and electronic device
3 Aug 21
Provided is a resin film for an electronic device including: a resin containing a polymer; hygroscopic particles dispersed in the resin and having a primary particle diameter of 200 nm or less; and a dispersant, wherein an absolute value of a difference in refractive index between the resin and the particles is 0.05 or less.
Hiroyasu Inoue
Filed: 15 Feb 18
Utility
Method for manufacturing electrochemical device electrode
3 Aug 21
The present invention provides composite particles for an electrochemical device electrode which makes it possible to manufacture an electrochemical device exhibiting excellent high temperature storage characteristics.
Azusa Masuda
Filed: 12 May 15
Utility
Secondary battery
3 Aug 21
A secondary battery includes an electrode structure, the electrode structure includes a positive electrode changing in volume by expansion or contraction during discharging or charging, and a negative electrode changing in volume in a reverse way to the positive.
Suguru Noda
Filed: 22 Dec 17
Utility
Liquid cyclopentene ring-opened polymer, rubber composition, and rubber crosslinked product
27 Jul 21
A liquid cyclopentene ring-opened polymer having a weight average molecular weight (Mw) of 1,000 to 50,000 and a cis double content of 55% or more in repeating units.
Shingo Okuno
Filed: 10 Sep 18
Utility
Nitrile group-containing copolymer rubber and nitrile group-containing copolymer rubber cross-linked product
27 Jul 21
A rubber composition including a nitrile group-containing copolymer rubber with an iodine value smaller than or equal to 120; short fibers with an average fiber length smaller than or equal to 12 mm; and an organophosphorus compound, wherein a glass transition temperature difference ΔTg of the nitrile group-containing copolymer rubber is lower than or equal to 10° C.
Tomonori Nakashima
Filed: 28 Mar 18
Utility
Self-adsorbable foamed laminate sheet and composition for self-adsorbable foamed sheet
27 Jul 21
Provided are a self-adsorbable foamed laminate sheet having excellent weather resistance and causing no paste residue, and a composition for a self-adsorbable foamed sheet used to obtain the self-adsorbable foamed laminate sheet.
Hidekazu Tanaka, Atsushi Sone, Osamu Kobayashi
Filed: 16 Feb 18
Utility
Method for manufacturing gloves
20 Jul 21
A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation.
Misa Yamamoto, Masaru Kitagawa
Filed: 24 Feb 17
Utility
Package, and methods for producing and for using self-adhesive
20 Jul 21
Provided is a method for producing a self-adhesive to be arranged on a package comprising a space to store contents and an opening by which the space and an outside communicate, wherein the opening is repeatedly openable and sealable by the self-adhesive that consists of a cross-linking material of a resin composition containing a (meth)acrylic acid ester copolymer resin having a glass transition temperature of −22.8° C. or more, and a crosslinking agent.
Mitsunori Abe, Atsushi Sone
Filed: 12 Jun 19
Utility
Method for producing latex composition
20 Jul 21
Fuminari Oyama, Yasuaki Watanabe
Filed: 16 Mar 17
Utility
Transfer body for optical film, optical film, organic electroluminescent display device, and method for manufacturing optical film
20 Jul 21
An optical film transfer body including a substrate film, and an optically anisotropic layer that is formed on the substrate film by curing a composition containing a photopolymerizable liquid crystal compound, wherein the optically anisotropic layer contains 25% by weight or less of the photopolymerizable liquid crystal compound; an optical film including, in this order, an adherend, an adhesive layer, and an optically anisotropic layer, wherein the adhesive layer is a layer formed by curing a photocurable adhesive, the optically anisotropic layer is a layer formed by curing a composition containing a photopolymerizable liquid crystal compound, and the optically anisotropic layer contains 25% by weight or less of the photopolymerizable liquid crystal compound; as well as a method for producing an optical film and an organic electroluminescent display device.
Manabu Ito
Filed: 25 Feb 16
Utility
Method for manufacturing glove
13 Jul 21
A method for producing a glove, including a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a divalent or higher metal, and is substantially free from sulfur and/or a sulfur-containing compound as a cross-linking agent, and a step of irradiating the dip-molded layer with radiation.
Masaru Kitagawa, Misa Yamamoto
Filed: 24 Feb 17
Utility
Connection instrument
13 Jul 21
A connection instrument includes: a cable including an electrical wire and two separated covering parts covering the electrical wire; a connection terminal connectable to a terminal of an external connector; a connection part; a flat plate-shaped wiring board; and a housing.
Masayoshi Yoshida, Midori Yamaai, Naomi Shiga
Filed: 6 Nov 18