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。

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。

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

IPC: C07C17/42 ,  C07C19/08 ,  C07C19/12 ,  C07C19/02

CPC classification number: C07C19/12 ,  C07C17/42

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。

公开(公告)号：US4791223A

公开(公告)日：1988-12-13

申请号：US128825

申请日：1987-12-04

Applicant: Andre Lantz ,  Pascal Michaud

Inventor： Andre Lantz ,  Pascal Michaud

IPC: C07C67/03 ,  C07C27/00 ,  C07C29/124 ,  C07C29/48 ,  C07C31/38 ,  C07C31/40 ,  C07C67/00 ,  C07C69/63 ,  C07C67/02

CPC classification number: C07C31/40 ,  C07C29/124 ,  C07C67/11

Abstract: The invention relates to the synthesis of 1,1,2,2-tetrahydroperfluoroalkanols and their esters by oxidizing a 2-(perfluoroalkyl)ethyl iodide using hydrogen peroxide in a carboxylic acid or carboxylic acid ester in the presence of sulphuric acid.In the process according to the invention, from 1 to 30 moles of sulphuric acid, from 1 to 50 moles of carboxylic acid or of an ester of such an acid, and from 3 to 20 moles of hydrogen peroxide per mole of 2-perfluoralkyl)ethyl iodide are used.

Abstract translation: 本发明涉及通过在硫酸存在下使用过氧化氢在羧酸或羧酸酯中氧化2-（全氟烷基）乙基碘来合成1,1,2,2-四氢全氟烷醇及其酯。 在根据本发明的方法中，每摩尔2-全氟烷基含有1至30摩尔硫酸，1至50摩尔羧酸或这种酸的酯和3至20摩尔过氧化氢， 使用乙基碘。

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。

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。

公开(公告)号：US06242659B1

公开(公告)日：2001-06-05

申请号：US08663634

申请日：1996-06-14

Applicant: Benoit Requieme ,  Sylvain Perdrieux ,  Bernard Cheminal ,  Eric Lacroix ,  Andre Lantz

Inventor： Benoit Requieme ,  Sylvain Perdrieux ,  Bernard Cheminal ,  Eric Lacroix ,  Andre Lantz

IPC: C07C1708

CPC classification number: C07C17/206 ,  C07C19/08

Abstract: The invention relates to the synthesis of difluoromethane by gas-phase catalytic fluorination of methylene chloride. To lengthen the lifetime of the catalyst the operation is carried out in the presence of chlorine.

Abstract translation: 本发明涉及通过二氯甲烷的气相催化氟化合成二氟甲烷。为了延长催化剂的寿命，操作在氯存在下进行。