212 patents
Page 2 of 11
Utility
Method for Producing Easily Polymerizable Compound
10 Aug 23
A method for producing an easily polymerizable compound, comprising a step of introducing an easily polymerizable compound-containing liquid into a vaporization separation column (1) selected from a distillation column and a stripping column to purify, wherein: the vaporization separation column (1) is provided with a circulation path (2) for returning a drawn liquid, obtained by withdrawing at least a part of a bottom liquid (3) of the column, to the vaporization separation column (1); the circulation path (2) is provided with a reboiler (4) having a heating part (5) and a supply port (7) for supplying an oxygen-containing gas on an upstream side of the reboiler (4); the supply port (7) is located below an inlet of the heating part (5) with a height difference of 0.5 m or more; and an oxygen-containing gas is supplied to the drawn liquid from the supply port (7).
Yuki KASE, Takashi SUGIMOTO
Filed: 31 May 21
Utility
Active-energy-ray-curable Resin Composition and Cured Product Thereof
13 Jul 23
Aki KANAYA, Kento TANIGUCHI, Atsushi TACHIBANA
Filed: 2 Jun 20
Utility
Method for Producing Easily Polymerizable Compound
29 Jun 23
A method for producing an easily polymerizable compound, comprising a polymerization prevention step of supplying an oxygen-containing gas to an easily polymerizable compound-containing liquid through a gas supply means having one or more supply ports, wherein an area S (mm2) per one supply port is 0.1 or more and 20 or less, and a ratio V/S of a linear velocity V (m/s) of the gas at the supply port to the area S in the polymerization preventing step is 6.0 or more.
Yuki KASE, Takashi SUGIMOTO
Filed: 31 May 21
Utility
Method of producing a 2-((meth)allyloxymethyl)acrylic acid derivative, and 2-((meth)allyloxymethyl)acrylic acid alkali metal salt powder
30 May 23
Provided is a method of producing various 2-((meth)allyloxymethyl)acrylic acid derivatives in high yields with no need to load a raw material in a large excess for improving a reaction conversion ratio, and without use of a catalyst having high toxicity or a strong acid catalyst.
Minoru Urata, Kazuhiko Nakamura, Jun Moteki
Filed: 31 Jul 20
Utility
Draw Solute, Draw Solution, and Water Treatment Device
18 May 23
A draw solute for the forward osmosis membrane process comprises a random copolymer obtainable by random addition of a monomer containing ethylene oxide and butylene oxide to a compound having one or more hydroxyl groups.
Hiroki Tokushima, Akitoshi Matono, John Webley
Filed: 7 Apr 21
Utility
Method for Recycling Water Absorbent Resin
11 May 23
Provided is a method for recycling a water-absorbing resin which contains absorbed liquid, with consideration for a resource aspect and an energy aspect.
Kazuki KIMURA, Nobuhiro KOBAYASHI
Filed: 12 Feb 21
Utility
Particulate Water-absorbing Agent
11 May 23
Mariko TAMAKI, Keita ONISHI, Yuika TAMURA, Kazushi TORII
Filed: 31 Mar 21
Utility
Method for producing vinyl-ether-group-containing (meth)acrylic acid ester polymer, vinyl-ether-group-containing (meth)acrylic acid ester polymer, and polymer composition
9 May 23
Munehiro Hasegawa
Filed: 7 Jun 19
Utility
Draw solute and water treatment equipment
2 May 23
A draw solute for forward osmosis membrane process, comprising an addition polymer obtained by addition polymerization of an alkylene oxide having 2 to 10 carbon atoms to an amine compound.
Koji Koyama, Yuki Miyoshi, Hideto Matsuyama, Asuka Inada
Filed: 28 Aug 19
Utility
Measurement method for properties of particulate absorbent agent, and particulate absorbent agent
25 Apr 23
Provided are a water-absorbing resin having more excellent balance of fluid retention capacity, liquid permeability, and low dustiness and a novel measurement method which enables evaluation of excellent physical properties of the water-absorbing resin.
Kazushi Torii, Yuika Noda, Daisuke Takagi
Filed: 12 Oct 18
Utility
Method for manufacturing electrolyte solution material
25 Apr 23
Yasunori Okumura, Shimpei Sato, Masayuki Okajima, Takayuki Kobatake, Hiromoto Katsuyama
Filed: 5 Oct 15
Utility
Thermoelectric material, thermoelectric device, powder for thermoelectric material, and method for producing thermoelectric material
18 Apr 23
A thermoelectric material of the present invention includes copper, tin, and sulfur, wherein a ratio A/B of the number A of copper atoms to the number B of tin atoms is 0.5 to 2.5 and a content of a metal element other than copper and tin is 5 mol % or less with respect to total metal elements.
Takeo Akatsuka, Hironobu Ono, Shinya Maenosono, Mikio Koyano
Filed: 28 Apr 17
Utility
Method for producing diol
4 Apr 23
Akimasa Watanabe, Akiko Yamauchi
Filed: 16 Nov 21
Utility
Method of producing ethylene oxide and ethylene glycol
4 Apr 23
Shota Sato, Hideto Suzuki, Daisuke Higashioka
Filed: 9 Aug 19
Utility
Resin Emulsion for Water-based Ink
30 Mar 23
A resin emulsion to be used in a water-based ink, wherein the resin emulsion for a water-based ink is characterized by containing emulsion particles and a carboxylic acid polymer non-metal salt and by the emulsion particles containing a polymer comprising a monomer component including a nitrogen atom-containing monomer; and a resin emulsion for a water-based ink that can be used suitably in the water-based ink and a method for producing the same.
Takumi ITO, Yoshimine SAKAMOTO
Filed: 16 Jan 21
Utility
Water-absorbing Resin and Manufacturing Method for Same
30 Mar 23
It is an object to provide a water-absorbing resin that while maintaining water-absorbing resin physical properties such as water absorption performance, has a sufficiently reduced odor produced during swelling.
Kimiaki NISHIMURA, Nobuya TANAKA, Tomoya ARAI, Kazuki KIMURA, Kazushi HORIE, Kenji TADA
Filed: 12 Feb 21
Utility
Poly (Meth) Acrylic Acid (Salt)-based Particulate Water-absorbing Agent and Production Method Therefor
30 Mar 23
Tsuyoshi YORINO, Daisuke TAKEDA, Yoshitaka IKEUCHI, Shigeru SAKAMOTO, Yoshihiro SHOBO, Yoshifumi ADACHI, Ryota WAKABAYASHI, Daisuke TAKAGI, Sachie KITABATA
Filed: 16 Nov 22
Utility
Diaphragm for alkaline water electrolysis, method for producing same, and method for producing inorganic-organic composite membrane
28 Mar 23
The invention provides a diaphragm for alkaline water electrolysis with reduced dissolution of an inorganic component in an alkali solution at low cost.
Shinya Nakayama, Kazuki Furusho
Filed: 4 Jul 18
Utility
Composition, Electrolytic Solution Material, and Electrolytic Solution
23 Mar 23
To provide a composition containing a sulfonylimide salt, which has excellent storage stability even at a high temperature and can be used for an electrolytic solution material or an electrolytic solution.
Yusuke OYAMA, Motohiro ARAKAWA, Takayuki KOBATAKE, Chie ONODA
Filed: 4 Feb 21
Utility
Absorption agent and absorbent article
21 Mar 23
Provided is a water-absorbing agent that causes no or little fluctuation of feed rate when fed with use of a feeder.
Hiroki Kawada, Taku Iwamura, Koji Tachi, Makiko Masuda, Yasuhisa Nakashima, Kazushi Torii, Yukihiro Kasano
Filed: 14 Nov 18