114 patents
Page 5 of 6
Utility
Method of Producing a 2-((METH)ALLYLOXYMETHYL)ACRYLIC Acid Derivative, and 2-((METH)ALLYLOXYMETHYL)ACRYLIC Acid Alkali Metal Salt Powder
4 Feb 21
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
Polyalkylene Glycol-containing Compound
4 Feb 21
Daisuke MICHITAKA, Tsuyoshi NISHIKAWA
Filed: 24 Jan 19
Utility
(Meth)acrylic Acid Copolymer-containing Composition and Method for Producing (Meth)acrylic Acid Copolymer
14 Jan 21
The present invention provides a (meth)acrylic acid copolymer-containing composition which can sufficiently exhibit both stability at low temperatures and a calcium phosphate scale inhibition ability.
Rika MATSUMOTO, Yuki SANO
Filed: 7 Mar 19
Utility
Absorption Agent and Absorbent Article
23 Dec 20
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: 13 Nov 18
Utility
Sulfonate Group-containing Polymer and Method of Producing the Same
16 Dec 20
A sulfonate group-containing copolymer is provided which comprising a structural unit (a) derived from a sulfonate group-containing monomer (A); a structural unit (b) derived from a (poly)oxyalkylene monomer (B); a structural unit (c) derived from a carboxyl group-containing monomer (C).
Akiko HEMMI, Hirotaka MIZOGUCHI, Rika MATSUMOTO, Xiaoli WANG, Xianling ZHAI, Peng QIN, Xiaoyan LIU
Filed: 4 Aug 20
Utility
Ethyleneimine Polymer Solution and Method for Producing Same
18 Nov 20
Seiichi SUZUKI, Takashi SAITO
Filed: 22 Aug 18
Utility
Method for Producing Silicon Nitride Film
21 Oct 20
A method for preparing a silicon nitride film with a high deposition rate and a reduced damage to the substrate and/or the underlying layer formed under the silicon nitride film.
Akinobu TERAMOTO, Yoshinobu SHIBA, Takashi ABE, Akira NISHIMURA
Filed: 2 Mar 20
Utility
Measurement Method for Properties of Particulate Absorbent Agent, and Particulate Absorbent Agent
14 Oct 20
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: 11 Oct 18
Utility
Method for Producing Polyacrylic Acid (Salt)-based Water Absorbent Resin
7 Oct 20
As a method for producing a polyacrylic acid (salt)-based water absorbent resin particle which less generates fine powder and has an excellent impact resistance and a high moisture content even in a case where the polyacrylic acid (salt)-based water absorbent resin particle is produced on a large scale, employed is a production method including the steps of: (a) adding a surface crosslinking agent solution to water absorbent resin powder to obtain a mixture; (b) reacting the mixture; and, thereafter (c) adding an aqueous liquid to at least one selected from the group consisting of (i) the water absorbent resin powder during the step (b) and (ii) the water absorbent resin powder after the step (b), an atmospheric dew point being not lower than 20° C. in the step (c), and a temperature of the water absorbent resin powder being higher than the atmospheric dew point in the step (c).
Hidenori WADA, Motohiro IMURA, Katsuyuki WADA, Seiji KATO
Filed: 16 Jun 20
Utility
Water-soluble Film and Manufacturing Method Therefor
30 Sep 20
The present invention provides a water-soluble film having high solubility in cold water and high extensibility.
Daisuke MICHITAKA, Hirotaka MIZOGUCHI
Filed: 30 Nov 16
Utility
Fiber Treatment Agent
23 Sep 20
Provided is a fiber treatment agent which is capable of imparting excellent moisture absorbing and releasing properties and exhibits excellent wash durability.
Tomoya Kuroki, Mari Otani
Filed: 15 Mar 17
Utility
Carboxyl-group-containing Copolymer, and Method for Producing Same
16 Sep 20
The present invention provides a carboxyl group-containing copolymer having a better calcium ion trapping ability and a better carbon black dispersing ability than any conventional carboxyl group-containing copolymers.
Hikaru TAKAHASHI, Ryosuke TAKECHI, Yasuhiro ONO
Filed: 21 Nov 17
Utility
Method for Producing Maleimide Block Copolymer
5 Aug 20
An object of the present invention is to provide a method for producing a maleimide block copolymer having an acrylic monomer-derived structural unit.
Tomoaki Kitamura, Shin-ya Imoto, Hidetaka Nakanishi, Yutaka Takahashi
Filed: 13 Apr 17
Utility
Organic Electroluminescent Element
8 Jul 20
The present invention provides an organic electroluminescence device having excellent luminous efficiency and excellent luminance.
Katsuyuki MORII, Kaho MAEDA, Akiko KURIYAMA, Hirohiko FUKAGAWA, Takahisa SHIMIZU
Filed: 17 Sep 18
Utility
Ceramic Sheet and Method for Manufacturing the Same
24 Jun 20
A ceramic sheet including a principal surface having particle marks is disclosed.
Norikazu Aikawa, Katsuhiko Sakamoto, Kazuhisa Murakami
Filed: 11 Dec 19
Utility
Binder Composition, Rigid Body, and Method for Manufacturing Rigid Body
17 Jun 20
A binder composition comprising a rust inhibitor having a sulfur atom in the molecule, and a carboxyl group-containing polymer.
Yuichi Kawata, Ikuo Shimizu
Filed: 8 Aug 18
Utility
Method for Producing (Meth)acrylic Acid
10 Jun 20
A method for producing (meth)acrylic acid comprising: a step of obtaining a (meth)acrylic acid-containing gas by subjecting a (meth)acrylic acid production raw material to a catalytic gas phase oxidation reaction; a step of obtaining a (meth)acrylic acid-containing liquid by bringing the (meth)acrylic acid-containing gas into contact with a collection solvent and/or condensing the (meth)acrylic acid-containing gas by cooling; a step of obtaining crude (meth)acrylic acid by introducing the (meth)acrylic acid-containing liquid into a low-boiling separation column; a step of obtaining purified (meth)acrylic acid and a refining residue containing a glyoxal compound by purifying the crude (meth)acrylic acid; and a step of returning at least a part of the refining residue to the low-boiling separation column; wherein a returning position of the refining residue to the low-boiling separation column is located closer to a bottom side of the low-boiling separation column than a supply port of the (meth)acrylic acid-containing liquid.
Yuki KASE, Toyofumi SAKAI, Yasutaka TAKEMOTO, Masashi MUKAE
Filed: 21 May 18
Utility
Curable Resin Composition and Sealing Material Using Same
3 Jun 20
The present invention aims to provide a resin composition containing a cyanate ester compound which can reduce the formation of carbamate compounds so that the resin composition can be suitably used as an sealing material.
Takuo SUGIOKA, Teruhisa FUJIBAYASHI
Filed: 10 Feb 20
Utility
Silica Particles
29 Apr 20
The object of the present invention is to provide silica particles which can provide a silica particle dispersion exhibiting excellent uniformity.
Masaki NISHIMURA, Yuji ONO, Shoichi SHIBAZAKI
Filed: 4 Apr 18
Utility
Super Absorbent Polyacrylic Acid (Salt)-based Resin Powder, Method for Manufacturing Same, and Method for Evaluating Same
22 Apr 20
The present invention provides polyacrylic acid (salt)-based water-absorbing resin powder having an excellent fluid retention capacity under pressure, an excellent water absorption speed, and an excellent liquid permeability and a method for producing the polyacrylic acid (salt)-based water-absorbing resin powder.
Kenji TADA, Kazushi TORII
Filed: 3 Dec 19