975 patents
Page 37 of 49
Utility
Synthetic rubber latex and method for manufacturing same
14 Sep 20
A latex of a synthetic rubber, wherein the content rate of a particle having a particle size of 5 μm or more in a particle size distribution of a synthetic rubber particle included in the latex, as determined on a number basis, is less than 3,000 ppm by weight.
Yoshitaka Satoh, Junji Kodemura
Filed: 1 Mar 17
Utility
Radiation-sensitive resin composition, resin film, and electronic device
14 Sep 20
Hiroaki Shindo
Filed: 19 Apr 15
Utility
Method of Producing Polymerizable Compound, and Solution of Polymerizable Compound
9 Sep 20
Kumi OKUYAMA, Kei SAKAMOTO, Takanori MIMA
Filed: 18 Mar 18
Utility
Modified Conjugated Diene Rubber
9 Sep 20
A modified conjugated diene rubber having a modifying structure derived from a siloxane compound at at least one terminal of a polymer chain containing conjugated diene monomer unit and a monomer unit of a vinyl compound having a functional group interactive with silica.
Takuro SAKURAI, Takashi IIZUKA, Mana FUJII, Hisakatsu HAMA
Filed: 27 Sep 18
Utility
Method for Producing Carboxylated Nitrile Rubber
9 Sep 20
A method for producing a carboxyl group-containing nitrile rubber including the steps of: polymerizing a monomer mixture including an α,β-ethylenically unsaturated nitrile monomer and a carboxyl group-containing monomer in a solvent; terminating a polymerization reaction by adding a nitrous acid salt and a water-insoluble hydroquinone as polymerization terminators to the polymerization system, thereby obtaining a dispersion of the carboxyl group-containing nitrile rubber having a pH of 7 or below; and coagulating the dispersion of the carboxyl group-containing nitrile rubber, thereby obtaining the carboxyl group-containing nitrile rubber in the solid state, wherein the amount of the nitrous acid salt to be used is 0.15 parts by weight or less relative to 100 parts by weight of the monomer mixture used in the polymerization reaction.
Tsutomu YOSHIMURA
Filed: 15 Mar 18
Utility
Magenta Toner
9 Sep 20
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: 25 Mar 18
Utility
Resin composition, microporous membrane, separator and secondary battery
7 Sep 20
The invention is a resin composition containing following polymer (A) and polymer (B), wherein a content of the polymer (A) is 1 to 80 wt % based on the total weight of the polymer (A) and the polymer (B), polymer (A) is a alicyclic structure-containing hydrogenated polymer having a heat distortion temperature of 170° C. or higher, polymer (B) is a polymer incompatible with the polymer (A) and having a heat distortion temperature of lower than 170° C., a microporous film formed by using the resin composition, a separator including the microporous film, and a secondary battery having the separator.
Shinsuke Miyazawa
Filed: 19 Sep 16
Utility
Composition for Non-aqueous Secondary Battery Functional Layer, Functional Layer for Non-aqueous Secondary Battery, and Non-aqueous Secondary Battery
2 Sep 20
Provided is a composition for a non-aqueous secondary battery functional layer with which it is possible to form a functional layer that has excellent heat shrinkage resistance and adhesiveness after immersion in electrolyte solution and that can cause a non-aqueous secondary battery to display excellent cycle characteristics.
Koji ANNAKA, Kazuki ASAI
Filed: 4 Sep 18
Utility
Carbon Sheet
2 Sep 20
Provided is a material that has excellent handleability and processability, and that when used as a support for a different material, enables support of the different material up to an inner part thereof.
Tomoko YAMAGISHI, Mitsugu UEJIMA
Filed: 26 Sep 18
Utility
Biochemical Tool
2 Sep 20
It is an object of the present disclosure to provide a biochemical tool capable of satisfactorily reducing absorption of a biochemical substance to a surface contacting a sample of the biochemical substance.
Taichi SAWAGUCHI, Satoru ADACHI
Filed: 5 Sep 18
Utility
Conductive film and method for producing same
31 Aug 20
An electroconductive film including a substrate film, and an organic electroconductive layer disposed on the substrate film, wherein the substrate film is formed of a resin containing an alicyclic structure-containing polymer having crystallizability, a thickness of the substrate film is 5 μm or more and 50 μm or less, and a crystallization degree of the alicyclic structure-containing polymer having crystallizability is 30% or more.
Toshihide Murakami
Filed: 13 Jul 17
Utility
Polymer latex production method
31 Aug 20
A polymer latex, including a polymerization step of polymerizing a monomer in organic solvent to thereby obtain polymer solution of synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer, antioxidant addition step of adding antioxidant to the polymer solution of synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer at proportion of 0.01-1.00 parts by weight per 100 parts by weight of the synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer, and emulsification step of emulsifying the polymer solution which the antioxidant is added, in water in the presence of a surfactant, to thereby obtain polymer latex, wherein the emulsification performs in the emulsification step so the ratio D75/D25 of the volume particle size D75 at a cumulative frequency of 75% to the volume particle size D25 at a cumulative frequency of 25% of a particle of the synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer included in the polymer latex is 1.90 or more and 2.30 or less.
Hidetake Ishii, Junji Kodemura
Filed: 25 Jan 17
Utility
Shaping Material, Resin Shaped Product, Cosmetic Container, Semiconductor Container, and Method of Producing Semiconductor Container
26 Aug 20
A shaping material contains a crystalline alicyclic structure-containing resin.
Shinsuke MIYAZAWA, Satoshi YAMADA, Ayako KATO, Eito ARIURA
Filed: 18 Mar 18
Utility
Method of Producing a Conductive Film
26 Aug 20
Provided is a method of producing a conductive film.
Akihiko YOSHIWARA, Kiyoshige KOJIMA
Filed: 10 May 20
Utility
Viewing angle expansion film, polarizing plate, and liquid crystal display device
24 Aug 20
The present invention provides a viewing angle expansion film which realizes visual recognition in wide viewing angle range, as well as a polarizing plate and a liquid crystal display device having the viewing angle expansion film.
Sogo Komoto
Filed: 5 Jul 16
Utility
Nanostructure dispersion liquid-containing container, method of storing and method of transporting nanostructure dispersion liquid, and methods of producing composite material composition and aggregate using nanostructure dispersion liquid
24 Aug 20
A technique of suppressing a decrease in dispersibility of nanostructures in a nanostructure dispersion liquid that is stored or transported after production is provided.
Masahiro Shigeta
Filed: 20 Dec 16
Utility
Hydrogenation method
24 Aug 20
Provided is a hydrogenation method that with respect to a hydrocarbon mixture containing 1,3-butadiene and vinylacetylene, enables hydrogenation of vinylacetylene while inhibiting reduction of 1,3-butadiene concentration.
Yoshihide Yachi
Filed: 26 Mar 17
Utility
Nitrile group-containing highly saturated copolymer rubber
24 Aug 20
The present invention provides a nitrile group-containing highly-saturated copolymer rubber comprising an α,β-ethylenically unsaturated nitrile monomer unit (a) in a content of 28 wt % or more and a conjugated diene monomer unit (b) in a content of 20 to 72 wt %, and having an iodine value of 120 or less, wherein the conjugated diene monomer unit (b) is at least partially hydrogenated, and a proportion of an isoprene unit in the conjugated diene monomer unit (b) is 33 wt % or more.
Atsuhiro Shiono
Filed: 18 May 16
Utility
Viewer for Determination of Authenticity
19 Aug 20
An authenticity determination viewer including a first phase difference film, a linear polarizer, and a second phase difference film in this order, wherein a polarized light transmission axis of the linear polarizer and a slow axis of the first phase difference film are non-parallel to each other, and the polarized light transmission axis of the linear polarizer and a slow axis of the second phase difference film are non-parallel to each other.
Koya KAWABATA
Filed: 11 Sep 18
Utility
Composition for Non-aqueous Secondary Battery Functional Layer, Functional Layer for Non-aqueous Secondary Battery, and Non-aqueous Secondary Battery
19 Aug 20
Provided is a composition for a non-aqueous secondary battery functional layer that inhibits cissing in thin film application and enables formation of a functional layer that does not excessively increase the amount of metal deposited on an electrode during secondary battery charging.
Takumi SUGIMOTO, Takuya KANEDA, Kenji ARAI
Filed: 19 Mar 18