公开(公告)号：US20220348808A1

公开(公告)日：2022-11-03

申请号：US17813487

申请日：2022-07-19

Applicant: AGC Inc.

Inventor： Satoshi KAWAGUCHI ,  Tatsuya KAMATSUKA ,  Yu TAKEUCHI

IPC: C09K5/04 ,  C11D7/50 ,  C11D7/30 ,  C11D11/00 ,  C09D7/20 ,  C09K3/30 ,  B08B3/08 ,  B05D7/14 ,  C23G5/028

Abstract: The present invention provides a solvent composition that can inhibit corrosion of a metal, a cleaning method using the solvent composition, and a method for producing an article provided with a coating film. The solvent composition of the present invention comprises 1-chloro-2,3,3-trifluoropropene and a specified second component, and is characterized in that the proportion of the total amount of the content of the second component to the sum of the content of 1-chloro-2,3,3-trifluoropropene and the total amount of the content of the second component is from 0.0001 to 1.0 mass %.

公开(公告)号：US20230332074A1

公开(公告)日：2023-10-19

申请号：US18333046

申请日：2023-06-12

Applicant: AGC Inc.

Inventor： Atsushi FUJIMOTO ,  Satoshi KAWAGUCHI ,  Hiroaki MITSUOKA

IPC: C11D3/24 ,  C11D3/00 ,  C09D7/20 ,  C09K5/10

CPC classification number: C11D3/245 ,  C11D3/0036 ,  C09D7/20 ,  C09K5/10

Abstract: To provide a composition which is excellent in solubility of various organic substances, presents no adverse effects on the global environment and is excellent in stability. A composition comprising a monochlorotrifluoropropene and at least one stabilizer selected from the group consisting of a carboxylic acid, a carboxylic acid salt and a carboxylic acid ion, characterized in that the content of the stabilizer to the total content of the monochlorotrifluoropropene and the stabilizer is from 0.1 to 500 mass ppm.

公开(公告)号：US20240150683A1

公开(公告)日：2024-05-09

申请号：US18411354

申请日：2024-01-12

Applicant: AGC Inc.

Inventor： Satoshi KAWAGUCHI

IPC: C11D7/50 ,  B05D3/04 ,  C09K5/04

CPC classification number: C11D7/5018 ,  B05D3/046 ,  C09K5/045 ,  C09K2205/126 ,  C11D2111/16

Abstract: To provide a solvent composition that can suppress corrosion of a metal, a cleaning method using the solvent composition, and a method for producing an article with a coating film. A solvent composition comprising, as a first component, 1-chloro-2,3,3-trifluoropropene and, as a second component, at least one member selected from the group consisting of 1,2,3,3-tetrachloropropene, 1,2,3-trichloro-3-fluoropropene, 1,3,3-trichloro-2-fluoropropene, 1,3-dichloro-2,3-difluoropropene, 2-chloro-3,3-difluoropropene, 2,3,3-trifluoropropene, 1,3-dichloro-1,2,2-trifluoropropane, 1-chloro-1,2,2,3-tetrafluoropropane, 2-chloro-1,1,3,3-tetrafluoropropane, 2-chloro-1,1,2-trifluoropropane and chloroform, characterized in that the ratio of the total content of the second component to the sum of the content of 1-chloro-2,3,3-trifluoropropene and the total content of the second component, is from 0.0001 to 1.0 mass %.

公开(公告)号：US20190031934A1

公开(公告)日：2019-01-31

申请号：US16152669

申请日：2018-10-05

Applicant: AGC Inc.

Inventor： Masato FUKUSHIMA ,  Hiroaki MITSUOKA ,  Mai TASAKA ,  Satoshi KAWAGUCHI ,  Katsuya UENO ,  Toshiyuki TANAKA ,  Hidekazu OKAMOTO ,  Tetsuo OTSUKA ,  Yoshinobu KADOWAKI ,  Tatsuhiro NOGAMI ,  Daisuke SHIRAKAWA ,  Hirokazu TAKAGI ,  Takeaki ARAI

IPC: C09K5/04

Abstract: A working fluid for heat cycle, wherein the global warming potential is less than 300; the product of the relative coefficient of performance and the relative refrigerating capacity is at least 0.820 relative to R410A in a standard refrigerating cycle under conditions of an evaporation temperature of 0° C., a condensing temperature of 40° C., a supercoiling degree of 5° C. and a degree of superheat of 5° C.; the relative compressor discharge gas pressure is at most 1.100; the lower limit of the combustion range by method A in High Pressure Gas Safety Act is at least 5 vol %; and the pressure will not exceed 2.00 MPaG in a combustion test by method A in High Pressure Gas Safety act under 0.98 MPaG at 250° C.

公开(公告)号：US20210053896A1

公开(公告)日：2021-02-25

申请号：US17092385

申请日：2020-11-09

Applicant: AGC Inc.

Inventor： Takuya IWASE ,  Satoshi KAWAGUCHI ,  Hirokazu TAKAGI

IPC: C07C21/18 ,  C07C17/389

Abstract: To produce, from a composition containing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene and a substance that may cause problems in reliability and performance, 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene in which the content of the substance has been reduced. This method for producing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene comprises bringing a composition containing 1-chloro-2,3,3,4,4,5,5-heptafluoro-1-pentene and at least one substance selected from the group consisting of water, 3,3,4,4,5,5-hexafluoro-1-pentyne, 1-chloro-3,3,4,4,5,5-hexafluoro-1-pentyne and an oxide, into contact with a solid adsorbent, to remove the substance from the composition.

公开(公告)号：US20190263746A1

公开(公告)日：2019-08-29

申请号：US16087369

申请日：2017-02-24

Applicant: AGC INC.

Inventor： Takashi AKIYA ,  Mitsugu KASAGAWA ,  Naoki ICHINOKAWA ,  Yu ONOZAKI ,  Satoshi KAWAGUCHI ,  Yusuke TOMIYORI ,  Arata YASUDA

IPC: C07C67/62 ,  C07C67/00 ,  C07C69/653 ,  C07C43/313

Abstract: The present invention provides a production method of α-fluoroacrylate ester, a composition containing a highly-pure fluorocyclopropane derivative and a composition containing highly-pure α-fluoroacrylate ester. The present invention relates to a method of producing a compound represented by the following formula (F), including subjecting a composition containing a compound represented by the following formula (A) to a purification treatment in the order of distillation and washing with an aqueous alkali solution to give a purified product containing a compound represented by the following formula (A), and subjecting the purified product to a thermal decomposition reaction, a composition containing a highly-pure compound represented by the following formula (A), and a composition containing a highly-pure compound represented by the following formula (F), wherein R may be the same or different and is a monovalent hydrocarbon group, and X is a halogen atom: