公开(公告)号：US5041647A

公开(公告)日：1991-08-20

申请号：US930056

申请日：1986-11-12

申请人： Isao Gotoh ,  Hajime Yoneda ,  Seisaku Kumai ,  Tohru Ueno

发明人： Isao Gotoh ,  Hajime Yoneda ,  Seisaku Kumai ,  Tohru Ueno

IPC分类号： C07C51/21 ,  C07C51/58

CPC分类号： C07C51/21 ,  C07C51/58

摘要： A process for producing trifluoroacetic acid and trifluoroacetyl chloride from 1,1-dichloro-2,2,2-trifluoroethane, oxygen and water as starting materials, characterized in that the starting materials are reacted in a vapor phase in a reactor of perfect mixing type to avoid local heating, under a condition not to liquefy the starting materials and reaction products, while continuously supplying the starting materials and continuously withdrawing the reaction products, so as to obtain a reaction mixture comprising trifluoroacetyl chloride as the main product and trifluoroacetic acid as an accompanying product.

摘要翻译： 一种由1,1-二氯-2,2,2-三氟乙烷，氧和水作为起始原料生产三氟乙酸和三氟乙酰氯的方法，其特征在于起始原料在气相中在完全混合型的反应器 为了避免局部加热，在不引起原料和反应产物液化的条件下，同时连续供给原料并连续取出反应产物，得到以三氟乙酰氯为主要成分的反应混合物，三氟乙酸为 伴随产品。

公开(公告)号：US5646222A

公开(公告)日：1997-07-08

申请号：US682010

申请日：1996-07-16

申请人： Takashige Maekawa ,  Ryoko Osawa ,  Satoshi Kamata ,  Seisaku Kumai

发明人： Takashige Maekawa ,  Ryoko Osawa ,  Satoshi Kamata ,  Seisaku Kumai

IPC分类号： C07C69/653 ,  C07C251/24 ,  C07C323/03 ,  C07C323/16 ,  C08F20/22 ,  C08F20/28 ,  C08F20/36 ,  C08F20/38 ,  D06M15/277 ,  C08F12/30

CPC分类号： C08F20/28 ,  C07C251/24 ,  C07C323/03 ,  C07C323/16 ,  C07C69/653 ,  C08F20/22 ,  C08F20/36 ,  C08F20/38 ,  D06M15/277

摘要： A polyfluorohydrocarbon group-containing acrylate of the formula (1):R.sub.f --(CH.sub.2).sub.n --Q--(CH.sub.2).sub.h --.phi.--[X--.phi.--].sub.y --(CH.sub.2).sub.m OC(O)CR.dbd.CH.sub.2(1)wherein R.sub.f is a polyfluorohydrocarbon group having from 2 to 22 carbon atoms to which fluorine atoms are bonded, wherein some of such carbon atoms may be substituted by ether-type oxygen atoms,.phi. is a p-phenylene group which may be substituted by one or more halogen atoms selected from fluorine and chlorine, provided that when a plurality of .phi. are present in one molecule, such a plurality of .phi. may be the same or different from one another,R is a hydrogen atom, a methyl group, a fluorine atom, a chlorine atom or a bromine atom,Q is an oxygen atom or a sulfur atom,X is a single bond, --CH.dbd.CH--, --N.dbd.CH--, --CH.dbd.N-- or --C(O)--,n is an integer of from 1 to 22,h is an integer of from 0 to 22,m is an integer of from 1 to 11, andy is an integer of from 0 to 5.

摘要翻译： 具有式（1）的多氟烃基丙烯酸酯：Rf-（CH2）nQ-（CH2）h- phi- [X-phi] y-（CH2）mOC（O）CR = CH2（1）其中Rf 是具有2〜22个碳原子的氟原子键合的多氟烃基，其中一些这样的碳原子可以被醚型氧原子取代，phi是可被一个或多个卤素取代的对亚苯基 选自氟和氯的原子，条件是当多个phi存在于一个分子中时，这样的多个phi可以相同或不同，R是氢原子，甲基，氟原子， 氯原子或溴原子，Q是氧原子或硫原子，X是单键，-CH = CH-，-N = CH-，-CH = N-或-C（O） - ，n是 1〜22的整数，h为0〜22的整数，m为1〜11的整数，y为0〜5的整数。

公开(公告)号：US5568239A

公开(公告)日：1996-10-22

申请号：US412221

申请日：1995-03-27

申请人： Yutaka Furukawa ,  Seisaku Kumai ,  Mami Yoshino

发明人： Yutaka Furukawa ,  Seisaku Kumai ,  Mami Yoshino

IPC分类号： C09K3/00 ,  C08G77/24 ,  C10M107/50 ,  G03G15/20

CPC分类号： C08G77/24 ,  G03G15/2025 ,  G03G2215/2093 ,  Y10S118/01

摘要： A stainproofing oil for a heat fixing roller, which consists essentially of a fluorosilicone compound having a silicon atom to which a monovalent fluorine-containing group selected from the formulae (1) to (3) is bonded:R.sub.f.sup.1 --X.sup.1 -- (1)R.sub.f.sup.2 --X.sup.2 --O--X.sup.3 -- (2)R.sub.f.sup.3 --X.sup.4 --O--X.sup.5 -- (3)wherein R.sub.f.sup.1 is a monovalent polyfluorohydrocarbon group, R.sub.f.sup.2 is a monovalent polyfluoroalkyl group containing an ether oxygen atom, R.sub.f.sup.3 is a monovalent polyfluorohydrocarbon group, and each of X.sup.1 to X.sup.5 independently is a bivalent hydrocarbon group.

摘要翻译： 用于热定影辊的防污油，其基本上由具有选自式（1）至（3）的一价含氟基团的具有硅原子的氟硅氧烷化合物组成：Rf1-X1-（1）Rf2 -X2-O-X3-（2）Rf3-X4-O-X5-（3）其中Rf1是一价多氟烃基，Rf2是含有醚氧原子的一价多氟烷基，Rf3是一价多氟烃基， X1〜X5独立地为二价烃基。

公开(公告)号：US5208394A

公开(公告)日：1993-05-04

申请号：US924790

申请日：1992-08-06

申请人： Seisaku Kumai ,  Akihiro Wada ,  Shinsuke Morikawa

发明人： Seisaku Kumai ,  Akihiro Wada ,  Shinsuke Morikawa

IPC分类号： C07C17/093

CPC分类号： C07C17/093

摘要： A process for producing chlorofluorobenzenes, which comprises reacting fluorine-containing nitrobenzenes of the following formula (1) with chlorine gas to obtain chlorofluorobenzenes of the following formula (2): ##STR1## wherein n and m are integers satisfying 1.ltoreq.n.ltoreq.3, 0.ltoreq.m.ltoreq.2 and 1.ltoreq.n+m.ltoreq.3.

摘要翻译： （1）的含氟硝基苯与氯气反应得到下式（2）的氯氟苯：其中n和m 是满足1≤n≤3,0≤m≤2和1≤n+ m <3的整数。

公开(公告)号：US4440948A

公开(公告)日：1984-04-03

申请号：US725671

申请日：1976-09-22

申请人： Yoshio Oda ,  Keiichi Uchida ,  Takeshi Morimoto ,  Seisaku Kumai

发明人： Yoshio Oda ,  Keiichi Uchida ,  Takeshi Morimoto ,  Seisaku Kumai

IPC分类号： B01J23/28 ,  B01J23/88 ,  B01J27/186 ,  C07C51/25 ,  C07C57/055

CPC分类号： B01J23/8872 ,  B01J23/28 ,  B01J23/8874 ,  B01J23/8875 ,  B01J23/8877 ,  B01J27/186 ,  C07C51/252 ,  B01J2523/00

摘要： Methacrylic acid is prepared by reacting methacrolein with molecular oxygen in the vapor phase at a temperature of from 230.degree. C. to 450.degree. C. in the presence of a catalyst having the formula Mo.sub.12 P.sub..alpha.' X.sub..beta.' Y.sub..gamma.' O.sub..delta.' wherein X is at least one member of the group consisting of Cs and Tl:Y is at least one member of the group consisting of Cs and Tl; Y is at least one member of the group consisting of V, Zr, Nb, Ni, Ta and Fe; .alpha.'=0.1-3; .beta.'=0.2-9; .gamma.'=0.1-7; .delta.'=36-100.

公开(公告)号：US07015263B2

公开(公告)日：2006-03-21

申请号：US10091315

申请日：2002-03-06

申请人： Seisaku Kumai ,  Yutaka Fukatsu ,  Ryota Tokura

发明人： Seisaku Kumai ,  Yutaka Fukatsu ,  Ryota Tokura

IPC分类号： C08J11/04 ,  C08F6/16

CPC分类号： C08J11/08 ,  B01J49/20 ,  C08J2300/10 ,  Y02W30/701

摘要： A process for recovering fluoropolymers, which comprises contacting an ion exchange membrane comprising a fluoropolymer having carboxylic acid groups (hereinafter referred to as a C-polymer) and a fluoropolymer having sulfonic acid groups (hereinafter referred to as a S-polymer) and having inorganic particles deposited on the surface, with a solvent to let it swell and to remove the inorganic particles from the surface, then, contacting it with a solvent which is a good solvent for the S-polymer and a poor solvent for the C-polymer to obtain a solid composed mainly of the C-polymer and a solution having the S-polymer dissolved therein, and recovering them by solid-liquid separation.

公开(公告)号：US06515102B2

公开(公告)日：2003-02-04

申请号：US10092630

申请日：2002-03-08

申请人： Seisaku Kumai ,  Yutaka Fukatsu ,  Harumi Mihara ,  Ryota Tokura

发明人： Seisaku Kumai ,  Yutaka Fukatsu ,  Harumi Mihara ,  Ryota Tokura

IPC分类号： C08F600

CPC分类号： C08J11/04 ,  C08J11/08 ,  C08J2300/10 ,  Y02P20/143 ,  Y02W30/70 ,  Y02W30/701

摘要： A process for recovering fluoropolymers, which comprises contacting an ion exchange membrane comprising a fluoropolymer having carboxylic acid groups (hereinafter referred to as a C-polymer) and a fluoropolymer having sulfonic acid groups (hereinafter referred to as a S-polymer) and having inorganic particles deposited on the surface, with a solvent which is a good solvent for the C-polymer and a good solvent for the S-polymer, to separate a solution having the C-polymer and the S-polymer dissolved therein, and the inorganic particles, then esterifying the C-polymer in the solution to form precipitate of an ester of the C-polymer, and fractionating and recovering the precipitate and a solution having the S-polymer dissolved therein by solid-liquid separation.

公开(公告)号：US5861524A

公开(公告)日：1999-01-19

申请号：US844810

申请日：1997-04-22

申请人： Gerald J. Murphy ,  Seisaku Kumai ,  Jeffrey A. Cooke ,  Yutaka Furukawa ,  George A. Policello

发明人： Gerald J. Murphy ,  Seisaku Kumai ,  Jeffrey A. Cooke ,  Yutaka Furukawa ,  George A. Policello

IPC分类号： B01F17/54 ,  A01N25/02 ,  A01N25/30 ,  C07F7/08 ,  C07F7/12

CPC分类号： C07F7/085 ,  C07F7/0852 ,  Y10S424/08

摘要： Oligomeric fluoroalkylsiloxanes corresponding to the formula: ##STR1## wherein x is 0 to 3, y is 0, 1, or 2; z is 0 or 1; x+y>0, and R has the formula --C.sub.a H.sub.2a --O.sub.b --C.sub.d H.sub.2c --C.sub.d F.sub.2d+1 in which a is 2-4, b is 0 or 1, c is 0-8 and d is 4-12, and compositions thereof with an oil, are useful as spreading agents and in agricultural applications.

摘要翻译： 对应于下式的低聚氟代烷基硅氧烷：其中x为0至3，y为0,1或2; z为0或1; x + y> 0，R具有式-CaH2a-Ob-CdH2c-CdF2d + 1，其中a为2-4，b为0或1，c为0-8且d为4-12，其组成为 有油，可用作扩散剂和农业应用。

公开(公告)号：US5241111A

公开(公告)日：1993-08-31

申请号：US614598

申请日：1990-11-15

申请人： Seisaku Kumai ,  Masao Ohashi ,  Yutaka Yaginuma ,  Katsuhiko Takeda

发明人： Seisaku Kumai ,  Masao Ohashi ,  Yutaka Yaginuma ,  Katsuhiko Takeda

IPC分类号： C07C17/32 ,  C07C51/08 ,  C07C255/50

CPC分类号： C07C255/50 ,  C07C17/32 ,  C07C51/08 ,  C07C51/093

摘要： A process for producing a 5-fluorobenzoic acid of the formula (V), which comprises trichloromethylating a fluorobenzene of the formula (I) to obtain a 5-fluorobenzotrichloride of the formula (II), then reacting it with aqueous ammonia to obtain a 5-fluorobenzonitrile of the formula (III), reacting it with a fluorinating agent to obtain a 5-fluorobenzonitrile of the formula (IV) and hydrolyzing it: ##STR1## wherein each of X.sub.1, X.sub.3, Y.sub.1 and Y.sub.3 is a halogen atom, and each of X.sub.2 and Y.sub.2 is hydrogen or a halogen atom.

公开(公告)号：US4985588A

公开(公告)日：1991-01-15

申请号：US405430

申请日：1989-08-28

申请人： Seisaku Kumai ,  Osamu Yokokouji

发明人： Seisaku Kumai ,  Osamu Yokokouji

IPC分类号： C07C45/63 ,  C07C49/80

CPC分类号： C07C49/80 ,  C07C45/63

摘要： A process for producing nucleus-fluorinated aromatic carboxylates, which comprise nucleus-fluorinating aromatic carboxylates of the following formula (1) with a fluorinating agent to obtain nucleus-fluorinated aromatic carboxylates of the following formula (2): ##STR1## wherein R.sup.1 is an alkyl group, an aryl group or a fluoroalkyl group, each of A and B is at least one member selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, an aryl group and a fluoroalkyl group, and n and m are integers satisfying m+n=6, provided that m is 1 or 2, provided that at least one A is an activated chlorine or bromine atom, and B corresponding to such an activated chlorine or bromine atom is a fluorine atom.