Patents by Inventor Shintaro Fukunaga
Shintaro Fukunaga has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240124389Abstract: An object of present invention is to provide a compound or a salt thereof constituting lipid particles that can achieve a high nucleic acid encapsulation rate and excellent delivery of nucleic acids, and to provide lipid particles and pharmaceutical composition using the compound or a salt thereof, which can achieve a high nucleic acid encapsulation rate and excellent delivery of nucleic acids. According to an aspect of the present invention, a compound represented by Formula (1) or a salt thereof is provided. In the formula, each symbol has a meaning defined in the present specification.Type: ApplicationFiled: October 26, 2023Publication date: April 18, 2024Applicant: FUJIFILM CorporationInventors: Shintaro TANABE, Tatsuya NITABARU, Mashiko YAMAMOTO, Hirofumi FUKUNAGA, Naoto NAKAMURA, Noriyuki KASAGI, Taisuke ENDO, Keiko SUZUKI
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Publication number: 20240117088Abstract: To provide a method for producing a fluorinated copolymer, whereby it is possible to efficiently produce a fluorinated copolymer in which coloration and foaming are suppressed during heating. A method for producing a fluorinated copolymer, comprising a step of producing a fluorinated copolymer by polymerizing tetrafluoroethylene and other monomer other than the tetrafluoroethylene in the presence of a hydroperoxide, at least one selected from the group consisting of a sulfite, a hydrogen sulfite, a dithionite, and a metabisulfite, at least one selected from the group consisting of an acidic substance and a substance that generates an acid by hydrolysis, and an aqueous medium.Type: ApplicationFiled: November 27, 2023Publication date: April 11, 2024Applicant: AGC Inc.Inventors: Kosuke SHIBASAKI, Yuki ORITO, Keiji HORI, Shintaro FUKUNAGA, Daisuke TAGUCHI
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Publication number: 20230391934Abstract: To provide a copolymer capable of forming a coated electrical wire excellent in engine oil resistance, a composition, a molded product, and a coated electrical wire. The copolymer of the present invention is a copolymer comprising units based on ethylene, units based on tetrafluoroethylene, and units based on compound A represented by CH?CX(CF2)nY (wherein X and Y are each independently a hydrogen atom or a fluorine atom, and n is an integer of from 2 to 6) or compound B represented by CF2?CF—O—C3F7, wherein the crystal lamella thickness determined by the small angle X-ray scattering method is at most 4.0 nm and the melting point is at least 245° C.Type: ApplicationFiled: August 8, 2023Publication date: December 7, 2023Applicant: AGC Inc.Inventors: Kosuke SHIBASAKI, Shuma KAWANAMI, Daisuke TAGUCHI, Shintaro FUKUNAGA, Mie TAKAYAMA, Kazuhiro NAKABAYASHI
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Publication number: 20230212331Abstract: To provide a method for producing a fluorinated polymer which does not require an emulsifier as an essential component while an aqueous medium with little environmental burden is used.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Applicant: AGC Inc.Inventors: Kosuke SHIBASAKI, Shintaro FUKUNAGA, Daisuke TAGUCHI
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Patent number: 11524439Abstract: To provide a process for producing a film excellent in water vapor barrier property, tensile elongations, and transparency. A resin material containing polychlorotrifluoroethylene (PCTFE) is melted and extruded into a film from an extrusion die, the extruded product is brought into contact with a cooling roll having a surface temperature of at most 120° C. in a state such that the surface temperature of the extruded product is higher than the crystallization temperature of PCTFE to form a film web, and the film web is subjected to heat treatment at from 80 to 200° C. to obtain a film.Type: GrantFiled: October 15, 2020Date of Patent: December 13, 2022Assignee: AGC Inc.Inventors: Yoshiaki Higuchi, Shintaro Fukunaga, Takatoshi Yaoita
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Publication number: 20220041549Abstract: To provide a method for producing a perfluoroacyl peroxide which can suppress formation of solid matters in a reaction apparatus, and a method for producing a fluoroalkyl iodide. The method for producing a perfluoroacyl peroxide of the present invention is a method for producing a perfluoroacyl peroxide, which comprises: mixing an organic solvent solution containing a perfluoroacyl halide and an organic solvent which is at least one perfluoroalkyl iodide selected from the group consisting of C2F5I, C4F9I and C6F13I, a first aqueous solution containing hydrogen peroxide, and a second aqueous solution containing a basic alkali metal compound, to obtain a mixed liquid, and reacting the perfluoroacyl halide and the hydrogen peroxide in the mixed liquid to produce a perfluoroacyl peroxide, wherein the pH of the aqueous phase of the mixed liquid is adjusted to be from 7 to 14.Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Applicant: AGC Inc.Inventors: Tomoyuki FUJITA, Shintaro FUKUNAGA
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Publication number: 20210023756Abstract: To provide a film made of polychlorotrifluoroethylene (PCTFE), of which a laminate with other layer is less likely to curl when subjected to drawing. A film comprising PCTFE, having thermal shrinkage rates within ±1.2% in MD and in TD when heated at 140° C. for 30 minutes and then cooled to 25° C., based on the dimension at 25° C.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Applicant: AGC Inc.Inventors: Yoshiaki Higuchi, Shintaro Fukunaga, Takatoshi Yaoita
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Publication number: 20210023757Abstract: To provide a process for producing a film excellent in water vapor barrier property, tensile elongations and transparency. A resin material containing polychlorotrifluoroethylene (PCTFE) is melted and extruded into a film from an extrusion die, the extruded product is brought into contact with a cooling roll having a surface temperature of at most 120° C. in a state such that the surface temperature of the extruded product is higher than the crystallization temperature of PCTFE to form a film web, and the film web is subjected to heat treatment at from 80 to 200° C. to obtain a film.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Applicant: AGC Inc.Inventors: Yoshiaki HIGUCHI, Shintaro FUKUNAGA, Takatoshi YAOITA
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Publication number: 20200157288Abstract: Provided is a fluorine-containing copolymer composition capable of forming a uniform coating. The composition comprises a fluorine-containing copolymer having units derived from tetrafluoroethylene, units derived from ethylene, and 0.4 to 1.0 mol % of at least one functional group selected from the group consisting of a carbonyl group-containing group, an acid anhydride group, a carboxy group, a hydroxy group, an epoxy group, an amide group, an amino group, and an isocyanate group, and an aliphatic compound having 6 to 10 carbon atoms having one carbonyl group.Type: ApplicationFiled: January 23, 2020Publication date: May 21, 2020Applicant: AGC Inc.Inventors: Shigeru AIDA, Kaori ABE, Shintaro FUKUNAGA
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Patent number: 10246604Abstract: To provide a method for producing an aqueous liquid containing a vinyl polymer, of which the production efficiency is high, without lowering the yield of the vinyl polymer. When removing a hydrophilic organic solvent from a mixed liquid comprising a vinyl polymer, the hydrophilic organic solvent and water to produce an aqueous liquid containing the vinyl polymer, a liquid phase and a gas phase are formed in a closed container, a part of the liquid of the liquid phase is formed into small droplets and brought into contact with the gas phase to vaporize the hydrophilic organic solvent, and the vaporized hydrophilic organic solvent is removed from the closed container.Type: GrantFiled: July 31, 2017Date of Patent: April 2, 2019Assignee: AGC Inc.Inventors: Shintaro Fukunaga, Katsuya Ueno, Akio Ogawa, Yutaka Ohyama, Teruhiko Yasuda
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Publication number: 20170327710Abstract: To provide a method for producing an aqueous liquid containing a vinyl polymer, of which the production efficiency is high, without lowering the yield of the vinyl polymer. When removing a hydrophilic organic solvent from a mixed liquid comprising a vinyl polymer, the hydrophilic organic solvent and water to produce an aqueous liquid containing the vinyl polymer, a liquid phase and a gas phase are formed in a closed container, a part of the liquid of the liquid phase is formed into small droplets and brought into contact with the gas phase to vaporize the hydrophilic organic solvent, and the vaporized hydrophilic organic solvent is removed from the closed container.Type: ApplicationFiled: July 31, 2017Publication date: November 16, 2017Applicant: Asahi Glass Company, LimitedInventors: Shintaro FUKUNAGA, Katsuya UENO, Akio OGAWA, Yutaka OHYAMA, Teruhiko YASUDA
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Patent number: 9682370Abstract: Provided is a process for producing a fluorinated copolymer which is capable of providing an ion exchange membrane which can suppress a decrease in current efficiency by impurities in an aqueous alkali chloride solution as a raw material on electrolysis of the alkali chloride aqueous solution. Also provided is a process for producing a fluorinated copolymer that comprises washing a fluorinated copolymer comprising a fluorinated monomer having a carboxylic acid type functional group and a fluorinated olefin, with a washing solvent containing a fluorinated solvent at a temperature of at least 40° C. and at most a boiling point of the washing solvent.Type: GrantFiled: November 15, 2013Date of Patent: June 20, 2017Assignee: Asahi Glass Company, LimitedInventors: Shintaro Fukunaga, Yukiko Hattori, Kazuo Umemura, Shigeru Aida, Atsushi Tsuji, Toshinori Tomita
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Patent number: 9604180Abstract: To provide a fluorinated copolymer which is capable of providing an ion exchange membrane having little adverse effect due to impurities in an alkali chloride aqueous solution on electrolysis of the alkali chloride aqueous solution. To use a fluorinated copolymer of a fluorinated monomer having a carboxylic acid type functional group with a fluorinated olefin, wherein the proportion of components having a common logarithm (log M) of a molecular weight M being from 2.0 to 3.5 is at most 10 mass % per 100 mass % of components having a common logarithm (log M) of a molecular weight M being at least 2.0, contained in a CClF2CF2CClFH soluble content.Type: GrantFiled: November 18, 2013Date of Patent: March 28, 2017Assignee: Asahi Glass Company, LimitedInventors: Yukiko Hattori, Shintaro Fukunaga, Kazuo Umemura, Shigeru Aida, Atsushi Tsuji, Toshinori Tomita
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Patent number: 9487650Abstract: Disclosed is a resin composition comprising a melt-moldable side chain 1,2-diol-containing PVA-based resin (A), and fluororesin containing a polar functional group capable of reacting with or forming hydrogen bond(s) with hydroxyl group (B). The component (A) and the component (B) have excellent affinity, and therefore if either the component (A) or component (B) becomes matrix, the other can be finely dispersed into the matrix, thus providing a resin composition having excellent gas-barrier property, solvent resistance, and bending fatigue resistance. The present invention also provides emulsified dispersion and binder in which the resin composition is used.Type: GrantFiled: April 26, 2013Date of Patent: November 8, 2016Assignees: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD., ASAHI GLASS COMPANY, LIMITEDInventors: Mitsuo Shibutani, Akinobu Inakuma, Yasuhiro Hirano, Seiji Maeda, Eiichi Nishi, Shigeru Aida, Shintaro Fukunaga
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Publication number: 20150038633Abstract: Disclosed is a resin composition comprising a melt-moldable side chain 1,2-diol-containing PVA-based resin (A), and fluororesin containing a polar functional group capable of reacting with or forming hydrogen bond(s) with hydroxyl group (B). The component (A) and the component (B) have excellent affinity, and therefore if either the component (A) or component (B) becomes matrix, the other can be finely dispersed into the matrix, thus providing a resin composition having excellent gas-barrier property, solvent resistance, and bending fatigue resistance. The present invention also provides emulsified dispersion and binder in which the resin composition is used.Type: ApplicationFiled: April 26, 2013Publication date: February 5, 2015Inventors: Mitsuo Shibutani, Akinobu Inakuma, Yasuhiro Hirano, Seiji Maeda, Eiichi Nishi, Shigeru Aida, Shintaro Fukunaga
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Publication number: 20140080930Abstract: To provide a process for producing a fluorinated copolymer which is capable of providing an ion exchange membrane which can suppress a decrease in current efficiency by impurities in an aqueous alkali chloride solution as a raw material on e.g. electrolysis of the alkali chloride aqueous solution. A process for producing a fluorinated copolymer, which comprises a step of washing a fluorinated copolymer of a fluorinated monomer having a carboxylic acid type functional group with a fluorinated olefin, by a washing solvent containing a fluorinated solvent, at a temperature of at least 40° C. and at most a boiling point of the washing solvent.Type: ApplicationFiled: November 15, 2013Publication date: March 20, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shintaro FUKUNAGA, Yukiko HATTORI, Kazuo UMEMURA, Shigeru AIDA, Atsushi TSUJI, Toshinori TOMITA
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Publication number: 20140073709Abstract: To provide a fluorinated copolymer which is capable of providing an ion exchange membrane having little adverse effect due to impurities in an alkali chloride aqueous solution on electrolysis of the alkali chloride aqueous solution. To use a fluorinated copolymer of a fluorinated monomer having a carboxylic acid type functional group with a fluorinated olefin, wherein the proportion of components having a common logarithm (log M) of a molecular weight M being from 2.0 to 3.5 is at most 10 mass % per 100 mass % of components having a common logarithm (log M) of a molecular weight M being at least 2.0, contained in a CClF2CF2CClFH soluble content.Type: ApplicationFiled: November 18, 2013Publication date: March 13, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yukiko Hattori, Shintaro Fukunaga, Kazuo Umemura, Shigeru Aida, Atsushi Tsuji, Toshinori Tomita
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Patent number: 8415439Abstract: The present invention provides an ETFE-type copolymer having a high melt tension and excellent blow moldability. An ethylene-tetrafluoroethylene copolymer which comprises ethylene units, tetrafluoroethylene units and units of a monomer (A) having at least two copolymerizable double bonds and which has a ratio (X/W) of its melt tension (XmN) to a load (Wkg) applied for the measurement of the melt tension being at least 0.8.Type: GrantFiled: April 13, 2010Date of Patent: April 9, 2013Assignee: Asahi Glass Company, LimitedInventors: Shintaro Fukunaga, Atsushi Funaki
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Publication number: 20100286352Abstract: To provide a process for producing a thermoplastic fluororesin having a high melt tension and being excellent in blow moldability, etc.Type: ApplicationFiled: July 19, 2010Publication date: November 11, 2010Applicant: Asahi Glass Company, LimitedInventors: Shintaro FUKUNAGA, Atsushi Funaki
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Publication number: 20100204423Abstract: To provide an ETFE-type copolymer having a high melt tension and excellent blow moldability. An ethylene-tetrafluoroethylene copolymer which comprises ethylene units, tetrafluoroethylene units and units of a monomer (A) having at least two copolymerizable double bonds and which has a ratio (X/W) of its melt tension (XmN) to a load (Wkg) applied for the measurement of the melt tension being at least 0.8.Type: ApplicationFiled: April 13, 2010Publication date: August 12, 2010Applicant: Asahi Glass Company, LimitedInventors: Shintaro Fukunaga, Atsushi Funaki