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1. 发明公开

US20240240332A1 METHOD FOR PRODUCING METAL CARBIDE, METHOD FOR PRODUCING HYDROCARBON, AND METAL CARBIDE COMPOSITION 审中-公开
公开(公告)号：US20240240332A1
公开(公告)日：2024-07-18
申请号：US18623692
申请日：2024-04-01
申请人： THE DOSHISHA , DAIKIN INDUSTRIES, LTD.
发明人： Takuya GOTO , Takashi WATANABE , Yuta SUZUKI , Haruka FUKUDA , Atsuya YAMADA , Tomohiro ISOGAI , Yosuke KISHIKAWA , Akiyoshi YAMAUCHI
IPC分类号： C25B3/03 , C25B1/01
CPC分类号： C25B3/03 , C25B1/01
摘要： A method for producing a hydrocarbon including: preparing a molten salt containing a carbonate of a first metal; obtaining precipitates containing a first metal carbide by applying a voltage to the molten salt; and obtaining a gas containing the hydrocarbon and a hydroxide of the first metal by hydrolyzing the first metal carbide.

2. 发明公开

US20240132432A1 FLUORINE-CONTAINING PILLARARENE 审中-公开
公开(公告)号：US20240132432A1
公开(公告)日：2024-04-25
申请号：US18542922
申请日：2023-12-18
申请人： Kyoto University , DAIKIN INDUSTRIES, LTD.
发明人： Tomoki OGOSHI , Katsuto ONISHI , Shuhei YAMAGUCHI , Yuko SHIOTANI , Masaji KOMORI , Hirokazu AOYAMA , Yosuke KISHIKAWA , Akiyoshi YAMAUCHI
IPC分类号： C07C43/225 , C07C271/44
CPC分类号： C07C43/225 , C07C271/44 , C07C2602/48
摘要： Provided is a compound represented by Formula (1A) below wherein the symbols are as defined in the description:

Also disclosed are a composition containing at least one of the compound and a formed article of the compound.

3. 发明公开

US20240109826A1 ALCOHOL PRODUCTION METHOD AND COMPOSITION 审中-公开
公开(公告)号：US20240109826A1
公开(公告)日：2024-04-04
申请号：US18505611
申请日：2023-11-09
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Yuuki SUZUKI , Akitoshi OGATA , Asako YOSHIYAMA , Makoto MATSUURA , Yoshichika KUROKI , Yosuke KISHIKAWA
IPC分类号： C07C29/10
CPC分类号： C07C29/10
摘要： A composition containing: a compound (2); a metal compound; and at least one selected from a compound (3) and a compound (4), the compound (3) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (4) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (2) being represented by the following formula (2):

the compound (3) being represented by the following formula (3):

and the compound (4) being represented by the following formula (4):

wherein the various substituents of compounds (2), (3) and (4) are as defined herein.

4. 发明公开

US20230192590A1 METHOD FOR PURIFYING ACRYLIC ACID ESTER COMPOUND 审中-公开
公开(公告)号：US20230192590A1
公开(公告)日：2023-06-22
申请号：US18110060
申请日：2023-02-15
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Moe HOSOKAWA , Akihiro GOTOU , Asako YOSHIYAMA , Makoto MATSUURA , Yosuke KISHIKAWA
IPC分类号： C07C67/54
CPC分类号： C07C67/54
摘要： The present disclosure addresses the problem of providing a method for purifying an acrylic acid ester compound. This problem can be solved by a method for purifying a compound represented by formula (1)

(wherein R1 and R2 are the same as or different and each represent an alkyl group, a fluoroalkyl group, an aryl group optionally having one or more substituent groups, a halogen atom, or a hydrogen atom, R3 is an alkyl group, a fluoroalkyl group, or an aryl group optionally having one or more substituent groups, and X is a fluoroalkyl group or a halogen atom), the method including step A of distilling composition A containing (a) the compound represented by formula (1), (b) an alcohol, and (c) a salt so as to obtain a concentrate containing the compound represented by formula (1).

5. 发明申请

US20220282008A1 METHOD FOR PRODUCING FLUOROPOLYMER, METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE, METHOD FOR PRODUCING PERFLUOROELASTOMER, AND COMPOSITION 有权
公开(公告)号：US20220282008A1
公开(公告)日：2022-09-08
申请号：US17747685
申请日：2022-05-18
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Yoshinori NANBA , Taketo KATO , Kenji ICHIKAWA , Soushi TSUCHIYA , Souta YUASA , Yosuke KISHIKAWA , Masahiro HIGASHI , Masaki IRIE , Taku YAMANAKA
IPC分类号： C08F14/26 , C08F2/10
摘要： The present disclosure provides a method for producing a fluoropolymer, the method includes polymerizing a fluoromonomer in an aqueous medium in the presence of a polymer (1) to obtain a fluoropolymer, wherein the polymer (1) is a polymer of a monomer (1) represented by the general formula (1) below, in which the content of a dimer and a trimer of the monomer (1) is 1.0% by mass or less based on the polymer (1): CF2═CF—R—CZ1Z1-A0 (1) wherein R is a linking group; Z1 and Z2 are each independently F or CF3; and A0 is an anionic group.

6. 发明申请

US20220064139A1 FLUOROLACTONE AND METHOD FOR PRODUCING SAME 有权
公开(公告)号：US20220064139A1
公开(公告)日：2022-03-03
申请号：US17521155
申请日：2021-11-08
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Moe HOSOKAWA , Koutarou HAYASHI , Yoshihiro YAMAMOTO , Akiyoshi YAMAUCHI , Makoto MATSUURA , Yosuke KISHIKAWA
IPC分类号： C07D319/12
摘要： The present disclosure provides, for example, a method that can produce a fluorolactone compound from hexafluoropropylene oxide or the like in a single step. The present disclosure relates to a method for producing a compound represented by formula (1): wherein two R1 are the same and each is a fluorine atom or a fluoroalkyl group, the method comprising step A of reacting a compound represented by formula (2): wherein R1 is as defined above, with a compound represented by formula (3): wherein R31, R32, and R33 are the same or different and each is a hydrogen atom or an alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents, and a compound represented by formula (4-1) or the like: wherein R41, R42, R43, and R44 are the same or different and each is a hydrogen atom ox an alkyl group, or two of them are optionally linked to each other to form a ring optionally having one or more substituents.

7. 发明申请

US20210284593A1 METHOD FOR PRODUCING FLUOROVINYL ETHER COMPOUND 有权
公开(公告)号：US20210284593A1
公开(公告)日：2021-09-16
申请号：US17255689
申请日：2019-06-26
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Naoyuki HOSHIYA , Akihiro GOTOU , Yosuke KISHIKAWA
IPC分类号： C07C43/176 , B01J31/16
摘要： An object of the present invention is to provide, for example, a novel method for synthesizing a fluorovinyl ether compound from a fluorine-containing vinyl compound. This problem is solved by a method for producing a compound represented by formula (1): wherein Ra1 is a hydrogen atom, a halogeno group, an alkyl group, a fluoroalkyl group, or an aromatic group optionally having one or more substituents, Rf is a fluoro group or a perfluoroalkyl group, Ra2 is a hydrogen atom, a halogeno group, an alkyl group, a fluoroalkyl group, or an aromatic group optionally having one or more substituents, or (i) Ra1 and Ra2, (ii) Ra1 and Rf, or (iii) Rf and Ra2 may be linked to each other, Rb1 is RS, Rb2 is a hydrogen atom or RS, Rb3 is a hydrogen atom or RS, or two or three of Rb1, Rb2, and Rb3, taken together with the adjacent carbon atom, may form a ring optionally having one or more substituents, and RS, in each occurrence, is the same or different and represents a hydrocarbon group optionally having one or more substituents, the method comprising step A of reacting a compound represented by formula (2): wherein Rx is a leaving group, and other symbols are as defined above, with a compound represented by formula (3): wherein the symbols in the formula are as defined above, in the presence of a transition metal catalyst.

8. 发明申请

US20210002199A1 METHOD FOR PRODUCING CARBONYL COMPOUND 有权
公开(公告)号：US20210002199A1
公开(公告)日：2021-01-07
申请号：US16978997
申请日：2019-03-07
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Masahiro HIGASHI , Satoru YONEDA , Sumi ISHIHARA , Yosuke KISHIKAWA
IPC分类号： C07C45/34 , C07C51/373 , C07B41/06 , B01J23/44
摘要： A method for producing a carbonyl compound represented by formula (1): wherein R1 is hydrogen or an organic group; R2 is hydrogen or an organic group; and R3 is hydrogen or an organic group; or two or three of R1, R2, and R3 may be linked to form a ring that may have at least one substituent, the method comprising step A of oxidizing an olefin compound represented by formula (2): wherein symbols are as defined above, by an oxidizing agent in the presence of (a) a non-alcohol organic solvent, (b) water, (c) a metal catalyst, and (d) an additive represented by the formula: MXn, wherein M is an element belonging to any one of Group 1, Group 2, Group 13, Group 14, and Group 15 in the periodic table, or NR4, wherein R is hydrogen or a C1-10 organic group; X is halogen; and n is a number of 1 to 5.

9. 发明申请

US20200024229A1 SULFONIC ACID, CARBOXYLIC ACID, AND SALTS THEREOF 审中-公开
公开(公告)号：US20200024229A1
公开(公告)日：2020-01-23
申请号：US16495641
申请日：2018-03-30
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Masahiro HIGASHI , Satoru YONEDA , Akiyoshi YAMAUCHI , Sumi ISHIHARA , Yosuke KISHIKAWA , Marina NAKANO , Shinnosuke NITTA , Hirokazu AOYAMA
IPC分类号： C07C309/10 , C07C53/126 , C07C59/347
摘要： A sulfonic acid or carboxylic acid containing a carbonyl group, or a salt thereof represented by the following formula: R1—C(═O)—(CR22)—(OR3)p—(CR42)q-L-A wherein R1, R2, R3, R4, n, p, q, A and L are as defined herein.

10. 发明申请

US20180222842A1 WATER ELIMINATION METHOD 审中-公开
公开(公告)号：US20180222842A1
公开(公告)日：2018-08-09
申请号：US15750291
申请日：2016-08-05
申请人： DAIKIN INDUSTRIES, LTD.
发明人： Makoto MATSUURA , Yosuke KISHIKAWA , Asako YOSHIYAMA , Sumi ISHIHARA
IPC分类号： C07C67/56 , B01J20/18 , B01J20/28 , C07C69/54
摘要： An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.

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