Patents Assigned to NOF Corporation
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Patent number: 11744792Abstract: A solid soap containing, (A) 77 to 91 mass % of an alkali metal salt of a saturated fatty acid having an even number of carbon atoms from 12 to 18, (B) 0.005 to 1 mass % of an alkali metal salt of a saturated fatty acid having an odd number of carbon atoms from 13 to 17, (C) 0.5 to 5 mass % of glycerol, and (D) 5 to 18 mass % of water.Type: GrantFiled: January 16, 2020Date of Patent: September 5, 2023Assignee: NOF CORPORATIONInventors: Dai Murakami, Tomohiro Wakita
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Patent number: 11739283Abstract: A lubricant additive capable of imparting various functions to a lubricant base oil contains an ester compound (A) represented by formula (1) and an ester compound (B) represented by formula (2). (A):(B) being a mass ratio of the ester compound (A) to the ester compound (B) is 99:1 to 80:20.Type: GrantFiled: March 10, 2020Date of Patent: August 29, 2023Assignee: NOF CORPORATIONInventors: Yutaro Shimizu, Hideki Kawamoto, Kazuhiro Oda, Seita Ueda
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Patent number: 11739280Abstract: A lubricant additive includes a monoester carboxylic acid salt (A) represented by formula (1). In formula (1), R1 represents a single bond between carbon atoms of carbonyl groups, or a divalent hydrocarbon group having 1 to 4 carbon atoms, and R2 represents a hydrocarbon group having 1 to 22 carbon atoms. AO represents an oxyalkylene group of one type selected from oxyalkylene groups having 2 to 4 carbon atoms, or a mixed oxyalkylene group of two or more types selected from oxyalkylene groups having 2 to 4 carbon atoms, and n is an average number of added moles of the oxyalkylene group represented by AO and is 0 to 5. M represents organic ammonium.Type: GrantFiled: March 10, 2020Date of Patent: August 29, 2023Assignee: NOF CORPORATIONInventors: Kazuhiro Oda, Yutaro Shimizu, Hideki Kawamoto
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Publication number: 20230263713Abstract: The invention relates to fatty acid magnesium salt particles having an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less in which the fatty acid has 12 to 22 carbon atoms and in which the average thickness of the fatty acid magnesium salt particles is 250 to 600 nm.Type: ApplicationFiled: September 24, 2021Publication date: August 24, 2023Applicants: SHISEIDO COMPANY, LTD., NOF CORPORATIONInventors: Tetsuya KANEMARU, Mayu KUMAGAI, Yuka IWAHASHI, Motoharu KIMURA, Takeshi YOSHIMURA, Mako IWASAKI
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Publication number: 20230250341Abstract: The present invention provides a solubilizing agent for hardly water-soluble substances, which contains a compound represented by the formula (1): wherein the symbols in the above formula are as defined in the specification.Type: ApplicationFiled: April 13, 2021Publication date: August 10, 2023Applicant: NOF CORPORATIONInventors: Koh KOBAYASHI, Masaru MATSUDA, Tomozumi NODA
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Publication number: 20230220234Abstract: The present invention relates to a surface treatment agent for soft contact lens, containing a reaction product obtained through a reaction between the following poly(meth)acrylic acid and the following copolymer (P): Poly(meth)acrylic acid: a poly(meth)acrylic acid having an average molecular weight of 1,000 to 2,000,000, and Copolymer (P): a copolymer obtained through polymerization of a specified hydrophilic monomer (nA) and a specified reactive monomer (nB), wherein in the copolymer, the hydrophilic monomer (nA) is 80 to 99 mol %, the reactive monomer (nB) is 1 to 20 mol %, and a weight average molecular weight is 10,000 to 5,000,000. In accordance with the present invention, it is possible to provide a surface treatment agent for soft contact lens capable of tremendously enhancing surface hydrophilicity of a soft contact lens to improve discomfort.Type: ApplicationFiled: October 7, 2020Publication date: July 13, 2023Applicant: NOF CORPORATIONInventors: Masatomo TAKAHASHI, Shunsuke SAKURAI, Hiroko KAWASAKI, Takanori FUJITA
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Publication number: 20230192953Abstract: An intermediate for production of a branched type hetero monodispersed polyethylene glycol which is represented by formula (2), the intermediate being represented by formula (3) or (40): where X1, L1, L3, Y1, Y2, and n are as defined herein.Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Applicants: Tokyo Institute of Technology, NOF CorporationInventors: Kazushi Kinbara, Tomoki Uruga, Tomoyuki Ohtake
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Publication number: 20230193044Abstract: An antifoggant composition including a copolymer (A), a blocked polyisocyanate hardener (B), colloidal silica (C), a surfactant (D), and water (E), wherein the copolymer (A) is a (meth)acrylate copolymer obtained from a monomer mixture comprising monomer (a-1) represented by general formula (1), monomer (a-2) represented by general formula (2), and monomer (a-3) represented by general formula (3) and the amounts of the blocked polyisocyanate hardener (B), colloidal silica (C), and water (E) are 35-300 parts by mass, 80-600 parts by mass, and 650 parts by mass or more, respectively, per 100 parts by mass of the copolymer (A).Type: ApplicationFiled: March 5, 2021Publication date: June 22, 2023Applicant: NOF CORPORATIONInventors: Hiroki MATSUTANI, Takamitsu KANO
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Publication number: 20230192952Abstract: A method of producing a compound represented by formula (3): includes: step (1) of performing coupling of a monodispersed polyethylene glycol derivative represented by formula (4) shown below with a compound represented by formula (5) shown below using a base catalyst having a pKa in an aqueous solution of 15 to 20 to obtain a compound represented by formula (6) shown below, step (2) of deprotecting the protective group A of the compound represented by the formula (6) to obtain a compound represented by formula (7) shown below, and step (3) of subjecting the compound represented by the formula (7) to separatory purification; and step (4) of subjecting the compound represented by the formula (7) to deprotection treatment or reduction treatment to obtain the compound represented by formula (3), in an order described above, where Y2, n, A, B, and Z are as defined herein:Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Applicants: TOKYO INSTITUTE OF TECHNOLOGY, NOF CORPORATIONInventors: Kazushi KINBARA, Tomoki Uruga, Tomoyuki Ohtake
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Patent number: 11680137Abstract: A method for purifying a specific trityl group-containing monodispersed polyethylene glycol from a mixture containing the trityl group-containing monodispersed polyethylene glycol and a specific ditritylated impurity. The method includes performing steps (A), (B) and (C). Step (A): a step of esterifying the hydroxyl group of the trityl group-containing monodispersed polyethylene glycol by a specific method; Step (B): a step of extracting the esterified compound by a specific method; and Step (C): a step of hydrolyzing the esterified compound to obtain the trityl group-containing monodispersed polyethylene glycol.Type: GrantFiled: March 26, 2019Date of Patent: June 20, 2023Assignee: NOF CORPORATIONInventors: Koichi Ogi, Takuma Tsubusaki, Kohei Yoshimura
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Publication number: 20230183162Abstract: A composition of zinc salts of carboxylic acids. The carboxylic acids of the zinc salts include 0.5 to 6.0 mass % of a component (A), 0.05 to 1.2 mass % of a component (B) and 88.0 to 98.0 mass % of a component (C) described below. A ratio [(A)/(B)] of a mass of the component (A) with respect to a mass of the component (B) is 99/1 to 75/25, where (A) is a straight chain and saturated carboxylic acid having a carbon number of 12 to 22; (B) is a strait chain and unsaturated carboxylic acid having one unsaturated bond and a carbon number of 18, said unsaturated bond comprising a trans-form double bond; and (C) is a straight-chain and unsaturated carboxylic acid having one unsaturated bond and a carbon number of 18, said unsaturated bond comprising a cis-form double bond.Type: ApplicationFiled: April 23, 2020Publication date: June 15, 2023Applicant: NOF CORPORATIONInventors: Takeshi YOSHIMURA, Hiroyuki OGI, Mako IWASAKI
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Publication number: 20230127080Abstract: The present invention provides, a cationic lipid represented by the formula (1) (wherein each symbol is as defined in the specification), a lipid membrane structure using the aforementioned cationic lipid, a nucleic acid-introducing agent using the aforementioned cationic lipid, and a method for introducing a nucleic acid by using the aforementioned nucleic acid-introducing agent.Type: ApplicationFiled: March 19, 2021Publication date: April 27, 2023Applicants: NOF CORPORATION, NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITYInventors: Shinya TAMAGAWA, Kota TANGE, Yuta NAKAI, Masamichi TAMADA, Hidetaka AKITA, Hiroki TANAKA, Yu SAKURAI
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Publication number: 20230124809Abstract: The invention provides a composition for oral cavity that can prevent the formation and maturation of biofilms in the oral cavity, improve the taste and the remaining sensation after use in the oral cavity, and is superior in the sense of use. The composition for oral cavity contains 0.001% by mass to 10% by mass of proteoglycan, an algefacient, and one or more members selected from the group consisting of an antimicrobial agent, an anti-inflammatory agent, and a vitamin.Type: ApplicationFiled: March 19, 2021Publication date: April 20, 2023Applicant: NOF CORPORATIONInventors: Masao HARA, Shunsuke SAKURAI
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Patent number: 11613607Abstract: A branched type hetero monodispersed polyethylene glycol represented by formula (1) where X1, Y1, n, E, L1, L2 and L3 are as defined herein.Type: GrantFiled: October 6, 2017Date of Patent: March 28, 2023Assignees: TOKYO INSTITUTE OF TECHNOLOGY, NOF CORPORATIONInventors: Kazushi Kinbara, Tomoki Uruga, Tomoyuki Ohtake
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Publication number: 20230091298Abstract: A disinfecting composition may contain 0.001 to 5 mass % of an MPC copolymer containing a constituent unit based on 2-(meth)acryloyloxyethyl phosphorylcholine, 5 to 90 mass % of a lower alcohol, and 0.01 to 10 mass % of an aliphatic acid ester-based nonionic surfactant. The MPC copolymer may include one or more copolymer selected from of an MPC copolymer a having a weight average molecular weight of 10,000 to 400,000 and an MPC copolymer b having a weight average molecular weight of 800,000 to 1,800,000. Such a disinfecting composition may be excellent in foam sustainability when it is discharged as a foam and that has moist feeling when it is applied.Type: ApplicationFiled: February 18, 2021Publication date: March 23, 2023Applicant: NOF CORPORATIONInventors: Masao HARA, Shunsuke SAKURAI
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Publication number: 20230077466Abstract: The invention relates to particles of a calcium salt of a fatty acid having 12 to 22 carbon atoms, wherein the median size is 4.0 ?m to 15.0 ?m, the particle size digest A expressed by the following equation (1) satisfies the relation A?2.0, and the average thickness is 350 to 800 nm. Particle size digest A=(D90?D10)/D50??equation (1) (Here, 4.0?D50?15.0.Type: ApplicationFiled: February 17, 2021Publication date: March 16, 2023Applicants: SHISEIDO COMPANY, LTD., NOF CORPORATIONInventors: Tetsuya KANEMARU, Yoshihiro NISHIYAMA, Takuya HIRUMA, Yuka IWAHASHI, Takeshi YOSHIMURA, Mako IWASAKI
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Publication number: 20230076090Abstract: (Object) When a cyclocarbonate group-containing (meth)acrylate monomer is applied for a polymer used as a paint or the like, it is to provide the cyclocarbonate group-containing (meth)acrylate monomer in which the increase of the viscosity over time is suppressed so that it can used stably for a long time. (Solution) It is provided a cyclocarbonate group-containing (meth)acrylate monomer (A) represented by a formula (1) as follows, wherein a content of di(meth)acrylate monomer (B) represented by a formula (2) as follows is 3 weight % or lower. (R1 represents hydrogen atom or methyl group, R2 represents an alkyl group having a number of carbons of 2 to 10, and X is 0 or 1.) (R3 represents hydrogen atom or methyl group, R4 represents an alkyl group having a number of carbons of 2 to 10, and X is 0 or 1.Type: ApplicationFiled: January 23, 2020Publication date: March 9, 2023Applicant: NOF CORPORATIONInventors: Masahiro TANAKA, Akihiro YAMADA, Tatsuya AONO, Kazuhiro ODA
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Publication number: 20230056638Abstract: The dewaxing aid of the present invention is a dewaxing aid including an ethylene-?-olefin copolymer (A) having a molar ratio [(a)/(b)] of (a) ethylene and (b) an ?-olefin having 3 or more and 12 or less carbon atoms of 93/7 to 75/25, and having a weight average molecular weight of 10,000 to 500,000. According to the present invention, a dewaxing aid that is excellent in improving filterability can be provided.Type: ApplicationFiled: January 12, 2021Publication date: February 23, 2023Applicant: NOF CORPORATIONInventors: Shunsuke MONJIYAMA, Hideki KAWAMOTO, Kazuhiro ODA
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Publication number: 20230050758Abstract: A method for purifying a polyethylene glycol compound represented by formula [1], including a Step (A) of dissolving the compound represented by formula [1] in an organic solvent having a Hildebrand solubility parameter of 8 to 10 (cal/cm3)1/2 to obtain a solution, and a Step (B) of mixing the solution with 0.1 to 1 part by mass of an adsorbent made from a hydrotalcite having a specific surface area of 50 to 200 m2/g with respect to 1 part by mass of the compound of the formula [1] to prepare a slurry, where Z, Y1, Y2, A, Polymer, X, a, b, l and m are as defined herein.Type: ApplicationFiled: December 21, 2020Publication date: February 16, 2023Applicant: NOF CORPORATIONInventors: Ryo KAWAHARA, Atsushi SATO, Midori HIRAI, Kyu TAKEUCHI
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Publication number: 20230035695Abstract: The phosphorylcholine group-containing polysiloxane monomer of the present invention is represented by the formula (1). In the formula, a represents an integer of 20 to 500, b represents an integer of 1 to 70, c represents an integer of 1 to 70, d represents 0 or 1, p and q each represent 0 or 1, X represents —CH2— or —CH2CH2—, and R represents an alkyl group having 2 to 18 carbon atoms. The present invention provides the phosphorylcholine group-containing polysiloxane monomer which gives, when copolymerized with a polymerizable monomer such as methacrylic acid or a hydrophilic monomer other than methacrylic acid, a polymer that exhibits surface hydrophilicity and sufficient stability as ophthalmic devices.Type: ApplicationFiled: December 21, 2020Publication date: February 2, 2023Applicant: NOF CORPORATIONInventors: Yoshiki TANAKA, Shu TAKASHIMA, Norio IWAKIRI, Yosuke MATSUOKA