-
公开(公告)号：US5055624A
公开(公告)日：1991-10-08
申请号：US451861
申请日：1989-12-18
Applicant: Andre Lantz , Bernard Cheminal
Inventor： Andre Lantz , Bernard Cheminal
CPC classification number: B01J27/08 , B01J23/18 , C07C17/206
Abstract: The invention relates to the selective manufacture of 1,1-dichloro-1,2,2,2-tetrafluoroethane by catalytic fluorination of 1,1,1-trichloro-2,2,2-trifluoroethane with anhydrous hydrofluoric acid.The reaction is carried out in the liquid phase at a temperature of between 70.degree. and 170.degree. C. and under a pressure of between 10 and 80 bars absolute, in the presence of an antimony-containing catalyst.
Abstract translation: 本发明涉及通过用无水氢氟酸催化氟化1,1,1-三氯-2,2,2-三氟乙烷选择性制备1,1-二氯-1,2,2,2-四氟乙烷。 在含锑催化剂存在下，反应在液相中在70〜170℃的温度和10〜80巴绝对压力下进行。
-
公开(公告)号：US4849555A
公开(公告)日：1989-07-18
申请号：US205941
申请日：1988-06-13
Applicant: Bernard Cheminal , Andre Lantz
Inventor： Bernard Cheminal , Andre Lantz
CPC classification number: C07C17/206
Abstract: The invention relates to a process for the manufacture of 1-chloro-1,1-difluoroethane in the liquid phase by reacting hydrofluoric acid with 1,1,1-trichloroethane and/or 1,1-dichloro-1-fluoroethane.The selectively is improved by using a perfluoroalkanesulphonic acid, in particular trifluoromethanesulphonic acid, as a catalyst.
Abstract translation: 本发明涉及通过氢氟酸与1,1,1-三氯乙烷和/或1,1-二氯-1-氟乙烷反应制备液相中的1-氯-1,1-二氟乙烷的方法。 通过使用全氟烷基磺酸，特别是三氟甲磺酸，作为催化剂来选择性地改进。
-
公开(公告)号：US4845300A
公开(公告)日：1989-07-04
申请号：US141847
申请日：1988-01-11
Applicant: Andre Lantz
Inventor： Andre Lantz
IPC: C07C319/02 , C07C43/10 , C07C43/11 , C07C67/00 , C07C313/00 , C07C319/00 , C07C323/03 , C07C325/00 , C07C335/32 , C07D319/10
CPC classification number: C07C323/00
Abstract: The subject of the invention is a process for the preparation of 2-(perfluoroalkyl)ethanethiols R.sub.f CH.sub.2 CH.sub.2 SH, R.sub.f denoting a straight-chain or branched perfluoroalkyl radical containing from 2 to 20 carbon atoms. The proceses comprises reacting a 2-(perfluoroalkyl)ethyl iodide with thiourea and then decomposing the isothiouronium salt formed with an alkaline base, and is characterized in that it is carried out in a non-alcoholic inert solvent.
Abstract translation: 本发明的主题是制备2-（全氟烷基）乙硫醇RfCH 2 CH 2 SH，Rf表示含有2至20个碳原子的直链或支链全氟烷基的方法。 方法包括使2-（全氟烷基）乙基碘与硫脲反应，然后分解由碱性碱形成的异硫脲盐，其特征在于其在非醇惰性溶剂中进行。
-
14.发明授权Synthesis of 1,1,1-trifluoroethane by fluorination of 1-chloro-1, 1-difluoroethane 有权通过氟化1-氯-1,1-二氟乙烷合成1,1,1-三氟乙烷公开(公告)号：US06339178B1
公开(公告)日：2002-01-15
申请号：US09929502
申请日：2000-06-22
Applicant: Andre Lantz , Sylvain Perdrieux , Dominique Garrait , Laurent Wendlinger
Inventor： Andre Lantz , Sylvain Perdrieux , Dominique Garrait , Laurent Wendlinger
IPC: C07C1700
CPC classification number: C07C17/206 , Y02P20/582 , C07C19/08
Abstract: The subject of the invention is the manufacture of 1,1,1-trifluoroethane by fluorination or 1-chloro-1,1-difluoroethane with anhydrous hydrofluoric acid. The reaction is carried out in the liquid phase and in the presence of a fluorination catalyst.
Abstract translation: 本发明的主题是通过氟化或1-氯-1,1-二氟乙烷与无水氢氟酸制备1,1,1-三氟乙烷。 反应在液相中并在氟化催化剂的存在下进行。
-
公开(公告)号：US5932776A
公开(公告)日：1999-08-03
申请号：US999882
申请日：1996-11-06
Applicant: Bernard Cheminal , Eric Lacroix , Andre Lantz
Inventor： Bernard Cheminal , Eric Lacroix , Andre Lantz
IPC: B01J27/125 , B01J27/128 , B01J27/132 , C07B61/00 , C07C17/087 , C07C17/20 , C07C17/21 , C07C19/08 , C07C19/12 , C07C17/08
CPC classification number: C07C17/206 , B01J27/125 , B01J27/128 , B01J27/132 , C07C17/21
Abstract: The invention relates to catalytic fluorination of perchloroethylene or of pentachloroethane in the gas phase by means of hydrofluoric acid.A mixed catalyst is employed, made up of nickel and chromium oxides, halides and/or oxyhalides deposited on a support consisting of aluminium fluoride or of a mixture of aluminium fluoride and alumina.
Abstract translation: 本发明涉及通过氢氟酸在气相中催化氟化全氯乙烯或五氯乙烷。 使用由镍和铬氧化物组成的混合催化剂，沉积在由氟化铝或氟化铝和氧化铝的混合物组成的载体上的卤化物和/或氧卤化物。
-
Patent Agency Ranking
公开(公告)号：US5900514A
公开(公告)日：1999-05-04
申请号：US663977
申请日：1996-06-14
Applicant: Benoit Requieme , Eric Lacroix , Andre Lantz
Inventor： Benoit Requieme , Eric Lacroix , Andre Lantz
IPC: B01J23/86 , C07B61/00 , C07C17/158 , C07C17/20 , C07C19/08
CPC classification number: C07C17/206
Abstract: The invention relates to the manufacture of difluoromethane by catalytic gas-phase fluorination of methylene chloride.The operation is carried out in the presence of oxygen at a temperature of between 330 and 450.degree. C. and with a bulk or supported chromium catalyst.
Abstract translation: 本发明涉及通过二氯甲烷的催化气相氟化制备二氟甲烷。 操作在氧气存在下在330-450℃的温度下进行，并且与主体或负载的铬催化剂进行。
-
公开(公告)号：US5386068A
公开(公告)日：1995-01-31
申请号：US957841
申请日：1992-10-08
Applicant: Andre Lantz , Rene Bertocchio , Patrick Lambert
Inventor： Andre Lantz , Rene Bertocchio , Patrick Lambert
Abstract: In order to stabilize 1,1-dichloro-1-fluoroethane containing traces of vinylidene chloride, at least one ethylenic hydrocarbon containing at least 4 carbon atoms is added thereto.
Abstract translation: 为了稳定含有痕量偏二氯乙烯的1,1-二氯-1-氟乙烷，向其中加入至少一种含有至少4个碳原子的烯烃。
-
18.发明授权2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof 失效2,2-双（2-全氟烷基乙硫基） - 乙醛及其制备方法
公开(公告)号：US4721812A
公开(公告)日：1988-01-26
申请号：US46168
申请日：1987-05-05
Applicant: Brigitte Bertaina , Aime Cambon , Andre Lantz
Inventor： Brigitte Bertaina , Aime Cambon , Andre Lantz
IPC: C09K3/18 , B01F20060101 , B01F17/00 , B01F17/42 , C07C20060101 , C07C67/00 , C07C313/00 , C07C319/14 , C07C323/22 , C07C325/00 , C09K3/00 , C14C20060101 , C14C9/00 , C14C9/02 , D06M20060101 , D06M13/02 , D06M13/12 , D06M13/248 , D06M13/252 , D21H20060101 , D21H17/50 , C07C151/00 , C07C148/00
CPC classification number: C07C323/00
Abstract: Novel 2,2-bis(2-perfluoroalkylethylthio)acetaldehydes having the formula: ##STR1## wherein R.sub.F and R'.sub.F are the same or different perfluoroalkyl groups, together with processes for producing the same and using the same to prepare surface active agents and products with hydrophobic and lipophobic properties.
Abstract translation: 具有下式的新型2,2-双（2-全氟烷基乙硫基）乙醛：其中RF和R'F是相同或不同的全氟烷基，以及其制备方法，并使用它们制备表面活性剂和 具有疏水性和疏油性的产品。
-
19.发明授权Process for the preparation of derivatives of fluoroalkane-carboxylic and perfluoroalkane-sulfinic acids 失效制备氟烷烃 - 羧酸和全氟烷烃 - 亚磺酸衍生物的方法
公开(公告)号：US4221734A
公开(公告)日：1980-09-09
申请号：US859912
申请日：1977-12-12
Applicant: Auguste Commeyras , Hubert Blancou , Andre Lantz
Inventor： Auguste Commeyras , Hubert Blancou , Andre Lantz
IPC: C07C53/21 , B01J21/00 , C07B61/00 , C07C51/15 , C07C67/00 , C07C309/80 , C07C313/00 , C07C313/04 , C07C53/22 , C07C143/70 , C07F3/06
CPC classification number: C07C313/04 , C07C309/00 , C07C51/15
Abstract: A process is disclosed for the preparation of derivatives of perfluoroalkanecarboxylic acids and perfluoroalkanesulphinic acids by reacting a perfluoroalkylhalide having the general formula R.sub.F X, in which X represents an atom of chlorine, bromine, or iodine, and R.sub.F represents an unbranched or branched perfluorinated chain containing from 2 to 12 carbon atoms; with CO.sub.2 or SO.sub.2 in a solvent medium and in the presence of activated or unactivated zinc.
Abstract translation: 公开了通过使具有通式RFX的全氟烷基卤反应制备全氟烷烃羧酸和全氟烷基亚磺酸的方法，其中X表示氯原子，溴或碘，RF表示无支链或支链全氟链， 2至12个碳原子; 在溶剂介质中和在活化或未活化的锌的存在下用CO 2或SO 2。
-
公开(公告)号：US06395941B1
公开(公告)日：2002-05-28
申请号：US08888294
申请日：1997-07-03
Applicant: Bernard Cheminal , Andre Lantz
Inventor： Bernard Cheminal , Andre Lantz
IPC: C07C1708
CPC classification number: C07C17/395 , C07C19/08
Abstract: In order to remove the impurities (in particular 1-chloro-2,2-difluoroethylene) present in crude 1,1,1,2-tetrafluoroethane (F134a), a gaseous mixture of crude F134a and hydrofluoric acid is treated in the gas phase, in the presence of a fluorination catalyst, at a temperature of between 200 and 380° C. and under a pressure between atmospheric pressure and 2.5 MPa, the HF/F134a molar ratio being between 0.05 and 0.5.
Abstract translation: 为了除去原料1,1,1,2-四氟乙烷（F134a）中存在的杂质（特别是1-氯-2,2-二氟乙烯），将粗F134a和氢氟酸的气体混合物在气相 在氟化催化剂的存在下，在200-380℃的温度下，在大气压和2.5MPa之间的压力下，HF / F134a的摩尔比为0.05-0.5。
-
-
-
-
-
-
-
-
-
Search Results
37
records
(took 0.023 seconds)
