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1. 发明授权

US5663474A Alkylation process using hydrogen fluoride-containing alkylation catalysts 失效
标题翻译：使用含氟化氢烷基化催化剂的烷基化方法
公开(公告)号：US5663474A
公开(公告)日：1997-09-02
申请号：US612041
申请日：1996-03-07
申请人： Hang Thanh Pham , Robert Pratt , Charles Lewis Redmon , John James Thompson , Michael Van Der Puy , Rajiv Ratna Singh , William James Hague , Harold John Kieta , Matthew Hermes Luly , Jeffrey Warren McKown
发明人： Hang Thanh Pham , Robert Pratt , Charles Lewis Redmon , John James Thompson , Michael Van Der Puy , Rajiv Ratna Singh , William James Hague , Harold John Kieta , Matthew Hermes Luly , Jeffrey Warren McKown
IPC分类号： B01J31/06 , C07B61/00 , C07C2/54 , C07C2/60 , C07C2/62 , C07C9/16 , C07C2/58 , C07C2/64
CPC分类号： C07C2/54 , C07C2/62 , C07C2527/1206 , C07C2531/025 , C07C2531/04 , C07C2531/06
摘要： This invention relates to catalysts for alkylation reactions and their preparation. More particularly, the invention relates to an alkylation process using a hydrogen fluoride-containing alkylation catalyst, which catalyst may be safely and easily handled, transported, and stored.
摘要翻译：本发明涉及烷基化反应的催化剂及其制备方法。更具体地，本发明涉及使用含氟化氢的烷基化催化剂的烷基化方法，该催化剂可以安全且容易地处理，运输和储存。

2. 发明授权

US5766483A Process for hydrogen fluoride separation 失效
标题翻译：氟化氢分离过程
公开(公告)号：US5766483A
公开(公告)日：1998-06-16
申请号：US644546
申请日：1996-05-10
申请人： Mathew Hermes Luly , Jeffrey Warren Mckown , Robert Pratt , Rajiv Ratna Singh , Paul Frederick Kunkel , Charles Lewis Redmon , Hang Thanh Pham
发明人： Mathew Hermes Luly , Jeffrey Warren Mckown , Robert Pratt , Rajiv Ratna Singh , Paul Frederick Kunkel , Charles Lewis Redmon , Hang Thanh Pham
IPC分类号： C01B7/19 , C07C17/38 , C07C19/08 , B01D53/14 , B01D15/00
CPC分类号： C01B7/195 , C01B7/197 , C07C17/38
摘要： A method for separating hydrogen fluoride from a chemical mixture is provided. In the process of the invention, hydrogen fluoride is separated from a chemical mixture containing hydrogen fluoride by contacting the chemical mixture with a hydrogen fluoride binder. The separated hydrogen fluoride may be recovered from the hydrogen fluoride binder.
摘要翻译：提供了从化学混合物中分离氟化氢的方法。在本发明的方法中，通过使化学混合物与氟化氢粘合剂接触，将氟化氢与含有氟化氢的化学混合物分离。分离的氟化氢可以从氟化氢粘合剂中回收。

3. 发明授权

US5705717A Fluorination process using hydrogen fluoride-containing fluorinating agents 失效
标题翻译：使用含氟化氢的氟化剂的氟化方法
公开(公告)号：US5705717A
公开(公告)日：1998-01-06
申请号：US610822
申请日：1996-03-07
申请人： Michael Van Der Puy , Jeffrey Warren Mckown , Hang Thanh Pham , Andrew Joseph Poss , Rajiv Ratna Singh
发明人： Michael Van Der Puy , Jeffrey Warren Mckown , Hang Thanh Pham , Andrew Joseph Poss , Rajiv Ratna Singh
IPC分类号： C08F8/20 , C07C17/013 , C07C17/02 , C07C17/08 , C07C17/087
CPC分类号： C08F8/20
摘要： Fluorination processes using hydrogen fluoride-containing fluorinating agents that are safely and easily handled, transported, and stored and that also exhibit good reactivity are provided. More particularly, the invention provides processes for producing fluorinated products using fluorinating agents comprising hydrogen fluoride and a carrier that may be an acid salt or a water-soluble polymer.
摘要翻译：提供使用含氟化氢的氟化剂的氟化方法，其安全且容易地处理，运输和储存并且还表现出良好的反应性。更具体地说，本发明提供了使用包含氟化氢和可以是酸性盐或水溶性聚合物的载体的氟化剂来生产氟化产物的方法。

4. 发明授权

US06903063B2 Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride 有权
标题翻译： 1-氯-1,3,3,3-四氟丙烷和氟化氢的类共沸组合物
公开(公告)号：US06903063B2
公开(公告)日：2005-06-07
申请号：US10283400
申请日：2002-10-29
申请人： Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Milton Cook
发明人： Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Milton Cook
IPC分类号： C07C17/00 , C07C17/38 , C07C17/383 , C07C19/08 , C07C19/10 , C11D7/30
CPC分类号： C07C19/10 , C07C17/00 , C07C17/38 , C07C17/383
摘要： The invention relates to azeotropic and azeotrope-like mixtures of 1-chloro-1,3,3,3-tetrafluoropropane (HCFC-244fa) and hydrogen fluoride, which are useful as intermediates in the production of HCFC-244fa.
摘要翻译：本发明涉及可用作生产HCFC-244fa的中间体的1-氯-1,3,3,3-四氟丙烷（HCFC-244fa）和氟化氢的共沸和类共沸混合物。

5. 发明授权

US5728315A Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane and hexafluoroethane 失效
标题翻译：三氟甲烷，二氧化碳，乙烷和六氟乙烷的类共沸组合物
公开(公告)号：US5728315A
公开(公告)日：1998-03-17
申请号：US641584
申请日：1996-05-01
申请人： Rajiv Ratna Singh , Ian Robert Shankland , Roy Phillip Robinson , Hang Thanh Pham , Raymond Hilton Percival Thomas , Peter Brian Logsdon
发明人： Rajiv Ratna Singh , Ian Robert Shankland , Roy Phillip Robinson , Hang Thanh Pham , Raymond Hilton Percival Thomas , Peter Brian Logsdon
IPC分类号： C08J9/12 , C09K3/30 , C09K5/04 , C08J9/14 , C11D7/30
CPC分类号： C08J9/127 , C09K3/30 , C09K5/045 , C08J2203/14 , C08J2203/142 , C08J2207/04 , C08J2375/04 , C09K2205/106 , C09K2205/12 , C09K2205/128 , C09K2205/32 , Y10S264/05 , Y10S521/91
摘要： Azeotrope-like compositions of trifluoromethane, carbon dioxide, ethane, and hexafluoroethane are provided. The compositions of the invention are environmentally desirable for use as refrigerants, aerosol propellants, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.
摘要翻译：提供了三氟甲烷，二氧化碳，乙烷和六氟乙烷的类共沸组合物。本发明的组合物在用作制冷剂，气溶胶推进剂，聚合物泡沫的发泡剂，传热介质和气体电介质中是环境需要的。

6. 发明授权

US07214294B2 Azeotrope-like compositions of pentafluoropropane and water 有权
标题翻译：五氟丙烷和水的类共沸组合物
公开(公告)号：US07214294B2
公开(公告)日：2007-05-08
申请号：US10942506
申请日：2004-09-16
申请人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
发明人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
IPC分类号： B01D3/00
CPC分类号： C11D7/5036 , C11D7/505
摘要： This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.
摘要翻译：本发明提供1,1,1,3,3-五氟丙烷和水的类共沸组合物，其作为制冷剂，气溶胶推进剂，计量吸入器，用于聚合物泡沫的发泡剂，传热介质和气体电介质是环境需要的。

7. 发明授权

US06689822B1 Azeotrope-like compositions of pentafluoropropane and water 有权
标题翻译：五氟丙烷和水的类共沸组合物
公开(公告)号：US06689822B1
公开(公告)日：2004-02-10
申请号：US09575399
申请日：2000-10-02
申请人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
发明人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
IPC分类号： C08G1810
CPC分类号： C11D7/5036 , C11D7/505
摘要： This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.
摘要翻译：本发明提供1,1,1,3,3-五氟丙烷和水的类共沸组合物，其作为制冷剂，气溶胶推进剂，计量吸入器，用于聚合物泡沫的发泡剂，传热介质和气体电介质是环境需要的。

8. 发明授权

US06488817B1 Purification of hydrofluorocarbons 失效
标题翻译：氢氟烃的净化
公开(公告)号：US06488817B1
公开(公告)日：2002-12-03
申请号：US09052757
申请日：1998-03-31
申请人： Charles Francis Swain , Rajiv Ratna Singh , Hang Thanh Pham
发明人： Charles Francis Swain , Rajiv Ratna Singh , Hang Thanh Pham
IPC分类号： B01D336
CPC分类号： C07C17/383 , Y10S203/13 , C07C19/08 , C07C19/10
摘要： A process for the purification of difluoromethane comprising: (a) subjecting a mixture comprising at least difluoromethane (HFC-32) and dichlorodifluoromethane (CFC-12) to a first distillation step in which a majority of either CFC-12 or HFC-32 is concentrated in a first distillate and a majority of the other component is concentrated in a first bottoms; and (b) subjecting the first distillate in step (a) to at least one additional second distillation step conducted at a different pressure in which a majority of the component concentrated in said first distillate is concentrated in a second bottoms and in which the other component is concentrated in a second distillate; and (c) recovering purified HFC-32 from one of said first or second bottoms.
摘要翻译：一种净化二氟甲烷的方法，包括：（a）使包含至少二氟甲烷（HFC-32）和二氯二氟甲烷（CFC-12）的混合物经历第一蒸馏步骤，其中大部分CFC-12或HFC-32是浓缩在第一馏出物中，并且大部分其它组分浓缩在第一塔底物中; 和（b）将步骤（a）中的第一馏出物经受至少一个额外的第二蒸馏步骤，其在不同的压力下进行，其中浓缩在所述第一馏出物中的大部分组分集中在第二塔底物中，其中另一组分集中在第二个馏出物中; 和（c）从所述第一或第二底部之一回收纯化的HFC-32。

9. 发明授权

US5918481A Process for separating hydrogen fluoride from fluorocarbons 失效
标题翻译：从氟化碳中分离氟化氢的方法
公开(公告)号：US5918481A
公开(公告)日：1999-07-06
申请号：US974935
申请日：1997-11-20
申请人： Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Daniel Christopher Merkel , David Goldschmidt , Tadeusz Piotr Rygas
发明人： Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Daniel Christopher Merkel , David Goldschmidt , Tadeusz Piotr Rygas
IPC分类号： C01B7/19 , C07C17/38 , C07C17/383 , C07C19/08 , C07C21/18 , F25J1/00
CPC分类号： C01B7/196 , C07C17/38
摘要： The invention provides a method for separating fluorocarbons from mixtures of fluorocarbon and hydrogen fluoride. In particular, the invention provides a method for separating fluorocarbons, such as pentafluoropropane, from azeotropic mixtures of the fluorocarbon and hydrogen fluoride using compositional variations with pressure.
摘要翻译：本发明提供了从碳氟化合物和氟化氢的混合物中分离碳氟化合物的方法。特别地，本发明提供了使用组合变化与压力从碳氟化合物和氟化氢的共沸混合物分离氟烃如五氟丙烷的方法。

10. 发明授权

US06843934B2 Azeotrope-like compositions of pentafluoropropane and water 有权
标题翻译：五氟丙烷和水的类共沸组合物
公开(公告)号：US06843934B2
公开(公告)日：2005-01-18
申请号：US10713710
申请日：2003-11-14
申请人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
发明人： Leslie Bruce Bement , Mary Charlotte Bogdan , Clayton Herbert Carson , Peter Brian Logsdon , Hang Thanh Pham , Rajiv Ratna Singh , Hsueh Sung Tung , Ronald Riegal , David John Williams , Kevin Donald Uhrich
IPC分类号： C11D7/50 , C09K3/30
CPC分类号： C11D7/5036 , C11D7/505
摘要： This invention provides azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and water that are environmentally desirable for use as refrigerants, aerosol propellants, metered dose inhalers, blowing agents for polymer foam, heat transfer media, and gaseous dielectrics.
摘要翻译：本发明提供1,1,1,3,3-五氟丙烷和水的类共沸组合物，其作为制冷剂，气溶胶推进剂，计量吸入器，用于聚合物泡沫的发泡剂，传热介质和气体电介质是环境需要的。

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