专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5164049A Method for making ultrapure sulfuric acid 失效
标题翻译：制造超纯硫酸的方法
公开(公告)号：US5164049A
公开(公告)日：1992-11-17
申请号：US571250
申请日：1990-08-22
申请人： R. Scot Clark , John B. Davison , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko , Alan W. Jones , Allen H. Jones, Jr. , Joe G. Hoffman
发明人： R. Scot Clark , John B. Davison , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko , Alan W. Jones , Allen H. Jones, Jr. , Joe G. Hoffman
IPC分类号： B01D1/02 , B01D3/14 , B01D3/34 , B01D5/00 , C25B1/28
CPC分类号： B01D1/02 , B01D3/14 , B01D3/343 , B01D5/0006 , C25B1/285 , Y10S203/02
摘要： Method for the production of ultrapure sulfuric acid including distillation of sulfuric acid material for the removal of soluble impurities and insoluble and non-volatile particles of 10 microns to 0.2 micron or less in size. Reprocessing is also provided. Distillation takes place in a distillation chamber having walls which are provided with means within the chamber to provide smooth convective upward flow of distilling liquid and vapor proximate the walls and means for smooth convective downward flow substantially centrally of the distillation chamber. Redirection means and packing together with reflux means insure the washing of rising vapor and direct the condensing vapor substantially centrally of the distillation chamber. Ultrapure sulfuric acid is also provided having 5 or less particles per cubic centimeter of a size of 0.5 micron and larger and less than 10 ppb of any specific trace impurity such as cations.
摘要翻译：包括蒸馏硫酸材料以除去可溶性杂质和尺寸为10微米至0.2微米或更小的不溶性和非挥发性颗粒的超纯硫酸的生产方法。还提供后处理。在蒸馏室中进行蒸馏，该蒸馏室具有在室内设置有装置的装置，以提供靠近壁的蒸馏液体和蒸汽的平滑对流向上流动，以及用于基本上在蒸馏室中心的平滑对流向下流动的装置。重新定向装置和包装与回流装置一起确保洗涤上升的蒸气并基本上在蒸馏室的中心引导冷凝蒸汽。还提供了超纯硫酸，其具有每立方厘米具有5个或更少颗粒的尺寸为0.5微米且大于10ppb的任何特定痕量杂质如阳离子的颗粒。

2. 发明授权

US4828660A Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids 失效
标题翻译：用于超纯液体连续现场化学处理的方法和设备
公开(公告)号：US4828660A
公开(公告)日：1989-05-09
申请号：US915776
申请日：1986-10-06
申请人： R. Scot Clark , Joe G. Hoffman , John B. Davison , Alan W. Jones , Allen H. Jones, Jr. , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko
发明人： R. Scot Clark , Joe G. Hoffman , John B. Davison , Alan W. Jones , Allen H. Jones, Jr. , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko
IPC分类号： H01L21/304 , B01D1/02 , B01D3/14 , B01D3/34 , B01D5/00 , C02F1/04 , C25B1/28
CPC分类号： B01D5/0006 , B01D1/02 , B01D3/14 , B01D3/343 , C25B1/285 , Y10S134/902
摘要： A continuous process and apparatus for the repurification of ultrapure liquids. An oxidant solution comprising ultrapure sulfuric acid, peroxydisulfuric acid, and ultrapure water is continuously withdrawn from a process after use. The withdrawn oxidant is reprocessed continuously by contacting with alumina to remove fluoride ions. Water is continuously separated or stripped from the oxidant solution by heating the solution and bubbling an inert gas therethrough causing the water to vaporize from the solution. The separated oxidant is continuously distilled and condensed to form a purified stream of sulfuric acid. The major portion of this stream is continuously returned to the process. The remaining minor portion is continuously cooled, subjected to analysis for purity, and diluted with ultrapure water. The diluted sulfuric acid is further cooled prior to electrochemical treatment in the anode compartment of an electrochemical cell. This converts at least a portion of the dilute sulfuric acid to peroxydisulfuric acid. The resulting solution is continuously returned to the process to be mixed with the major portion of the purified sulfuric acid. A system of apparatus to conduct the processes is provided which also includes means for continuously analyzing the minor portion for purity and trace elements.
摘要翻译：用于超纯液体再生的连续方法和设备。包含超纯硫酸，过氧二硫酸和超纯水的氧化剂溶液在使用后从工艺中连续取出。取出的氧化剂通过与氧化铝接触来连续再处理以除去氟离子。通过加热溶液并使惰性气体通过其中，使水从氧化剂溶液中连续分离或汽提，使得水从溶液中蒸发。分离的氧化剂被连续蒸馏和冷凝以形成纯化的硫酸流。该流的主要部分不断返回到该过程中。剩余的小部分被连续冷却，进行纯度分析，并用超纯水稀释。在电化学电池的阳极室中进行电化学处理之前，将稀硫酸进一步冷却。这将至少一部分稀硫酸转化为过氧二硫酸。所得溶液连续返回到与纯化硫酸的主要部分混合的过程中。提供了一种用于进行处理的装置的系统，其还包括用于连续分析次要部分以获得纯度和微量元素的装置。

3. 发明授权

US4855023A Method and apparatus for the continuous on-site chemical reprocessing of ultrapure liquids used in semiconductor wafer cleaning 失效
标题翻译：用于半导体晶片清洗中使用的超纯液体的连续现场化学再处理的方法和装置
公开(公告)号：US4855023A
公开(公告)日：1989-08-08
申请号：US183089
申请日：1988-04-19
申请人： R. Scot Clark , Joe G. Hoffman , John B. Davison , Alan W. Jones , Allen H. Jones, Jr. , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko
发明人： R. Scot Clark , Joe G. Hoffman , John B. Davison , Alan W. Jones , Allen H. Jones, Jr. , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko
IPC分类号： B01D1/02 , B01D3/14 , B01D3/34 , B01D5/00 , C25B1/28
CPC分类号： B01D1/02 , B01D3/14 , B01D3/343 , B01D5/0006 , C25B1/285 , Y10S134/902
摘要： An improved wafer cleaning process wherein a novel oxidant solution comprising ultrapure sulfuric acid, peroxydisulfuric acid, and ultrapure water used in a semiconductor wafer cleaning process is continuously withdrawn after use. The withdrawn oxidant is reprocessed continuously by contacting with alumina to remove fluoride ions. Water is continuously separated or stripped from the oxidant solution by heating the solution and bubbling an inert gas therethrough. The separated oxidant is continuously distilled and condensed to form a purified stream of sulfuric acid. The major portion of this stream is continuously returned to the wafer cleaning process. The remaining minor portion is continuously cooled, subjected to analysis for purity, and diluted with ultrapure water prior to electrochemical treatment in the anode compartment of an electrochemical cell. This converts at least a portion of the dilute sulfuric acid to peroxydisulfuric acid. The resulting solution is continuously returned to the wafer cleaning process to be mixed with the major portion of the purified sulfuric acid.
摘要翻译：改进的晶片清洗方法，其中在半导体晶片清洗工艺中使用的包含超纯硫酸，过氧化二硫酸和超纯水的新型氧化剂溶液在使用后连续地取出。取出的氧化剂通过与氧化铝接触来连续再处理以除去氟离子。水通过加热溶液并通过惰性气体鼓泡而连续分离或从氧化剂溶液中汽提。分离的氧化剂被连续蒸馏和冷凝以形成纯化的硫酸流。该流的主要部分不断返回到晶片清洗过程。剩余的小部分被连续冷却，进行纯度分析，然后在电化学电池的阳极室进行电化学处理之前用超纯水稀释。这将至少一部分稀硫酸转化为过氧二硫酸。所得溶液连续返回到晶片清洗过程中，与纯化硫酸的主要部分混合。

4. 发明授权

US5354428A Apparatus for the continuous on-site chemical reprocessing of ultrapure liquids 失效
标题翻译：用于超纯液体连续现场化学处理的设备
公开(公告)号：US5354428A
公开(公告)日：1994-10-11
申请号：US385302
申请日：1989-07-25
申请人： R. Scot Clark , Joe G. Hoffman , John B. Davison , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko , Alan H. Jones , Alan W. Jones
发明人： R. Scot Clark , Joe G. Hoffman , John B. Davison , David W. Persichini , Wallace I. Yuan , Bruce A. Lipisko , Alan H. Jones , Alan W. Jones
IPC分类号： B01D1/02 , B01D3/14 , B01D3/34 , B01D5/00 , C25B1/28 , B01D3/28
CPC分类号： B01D1/02 , B01D3/14 , B01D3/343 , B01D5/0006 , C25B1/285 , Y10S159/19 , Y10S203/02 , Y10S203/23
摘要： Method and apparatus for the distillation of liquids which is particularly suited for the removal of soluble impurities and insoluble and non-volatile particles of 10 microns to 0.2 micron or less in size. A substantially elongated distillation chamber having walls equipped with axially disposed concentric boiling rings spaced from the walls near the bottom, and a packing stop, packing redirector rings for condensed vapor, and a reflux condenser in the upper part of the distillation chamber provide, during distillation, a smooth convective upward flow of distilling liquid and vapor proximate the walls and boiling rings and a smooth convective downward flow of distilling liquid and vapor substantially centrally of the distillation chamber.
摘要翻译：用于蒸馏液体的方法和装置，其特别适用于去除可溶性杂质和尺寸为10微米至0.2微米或更小的不溶性和非挥发性颗粒。一个基本上细长的蒸馏室，其具有配备有与靠近底部的壁间隔开的轴向设置的同心沸腾环的壁，以及在蒸馏室的上部中的包装止挡件，用于冷凝蒸气的包装重定向环和在该蒸馏室上部的回流冷凝器，在壁和沸腾环附近蒸馏液体和蒸气的平滑对流向上流动，并且基本上在蒸馏室中心的蒸馏液体和蒸气的平滑对流向下流动。

5. 发明授权

US4131609A Silicon-phthalocyanine-siloxy monomers 失效
标题翻译：硅酞菁 - 甲硅烷氧基单体
公开(公告)号：US4131609A
公开(公告)日：1978-12-26
申请号：US880515
申请日：1978-02-23
申请人： Kenneth J. Wynne , John B. Davison
发明人： Kenneth J. Wynne , John B. Davison
IPC分类号： C07F7/10 , C09B47/04 , C09B47/08
CPC分类号： C09B47/045 , C07F7/10 , C09B47/04 , C09B47/08
摘要： A silicon-phthalocyanine-siloxy monomer having the formula:PcSi(OSiR'Ph(OSiR".sub.2 ).sub.r X).sub.2wherein X is a hydroxyl group or unreido group having the formula: ##STR1## Pc is a phthalocyanine nucleus, R' and R" are alkyl groups having from 1 to 8 carbon atoms, and r is an integer from 1 to 4. The monomers are useful as dyes and in polymer synthesis as reactive intermediates.
摘要翻译：具有下式的硅酞菁 - 甲硅烷氧基单体：

6. 发明授权

US4430176A Electrolytic process for producing hydrogen peroxide 失效
标题翻译：用于生产过氧化氢的电解过程
公开(公告)号：US4430176A
公开(公告)日：1984-02-07
申请号：US321286
申请日：1981-11-13
申请人： John B. Davison
发明人： John B. Davison
IPC分类号： C25B1/30 , C25B9/08
CPC分类号： C25B1/30 , C25B9/08
摘要： An electrolytic process for producing hydrogen peroxide in an aqueous alkaline solution includes simultaneously passing an aqueous alkaline electrolyte and oxygen through a fluid permeable conductive cathode comprising reticulated vitreous carbon foam, separating the fluid permeable conductive cathode from an anode by a barrier and connecting the fluid permeable conductive electrode and the anode with an external power source to cause generation of hydrogen peroxide ion within the aqueous alkaline solution.
摘要翻译：用于在碱性水溶液中生产过氧化氢的电解方法包括同时使含水碱性电解质和氧通过包含网状玻璃碳泡沫的流体可渗透的导电阴极，通过屏障将流体可渗透的导电阴极与阳极分离，并将流体可渗透导电电极和具有外部电源的阳极，以在碱性水溶液中产生过氧化氢离子。

7. 发明授权

US4762601A Copper bath for electroless plating having excess counter-cation and process using same 失效
标题翻译：具有过量抗衡阳离子的化学镀的铜浴和使用其的方法
公开(公告)号：US4762601A
公开(公告)日：1988-08-09
申请号：US929242
申请日：1986-11-10
申请人： Gerald Krulik , Stephen C. Davis , John B. Davison
发明人： Gerald Krulik , Stephen C. Davis , John B. Davison
IPC分类号： B01D61/54 , C23C18/16 , C23C18/40 , B01D13/02
CPC分类号： C23C18/1617 , C23C18/40 , Y10S204/13
摘要： An electroless copper plating bath is improved so as to facilitate its regeneration in an electrodialysis cell. The bath includes elevated amounts of an added salt, preferably as Na salt. The elevated sodium ion level serves as additional counter-cation to hydroxyl ion which is produced at the cathode of the electrodialysis cell. The excess anion from the added salt increases the rate of out-migration of by-products, such as formate ions and sulfate ions, relative to hydroxyl ions through an anion permselective membrane.
摘要翻译：改善了化学镀铜浴，以便促进其在电渗析池中的再生。浴中含有升高量的加入的盐，优选为Na盐。升高的钠离子水平作为在电渗析池阴极产生的羟基离子的另外的抗衡阳离子。来自加入的盐的过量阴离子相对于通过阴离子选择性渗透膜的羟基离子增加副产物如甲酸根离子和硫酸根离子的迁移速率。

8. 发明授权

US4952386A Method and apparatus for purifying hydrogen fluoride 失效
标题翻译：氟化氢净化方法及装置
公开(公告)号：US4952386A
公开(公告)日：1990-08-28
申请号：US196327
申请日：1988-05-20
申请人： John B. Davison , Chung-Tseng Hsu
发明人： John B. Davison , Chung-Tseng Hsu
IPC分类号： B01D15/04 , B01J41/04 , B01J47/14 , C01B7/19 , C01G49/08
CPC分类号： C01B7/197 , C01B7/195 , C01B7/198 , C01G49/08 , Y10S210/915 , Y10S423/14
摘要： A method for purifying hydrofluoric acid, comprising the steps of filtering the hydrofluoric acid to remove particulates, passing the filtered acid through a cation exchange material and an anion exchange material to remove ions therefrom, at least periodically automatically monitoring the acid that has passed through at least a predetermined portion of the cation exchange material for a predetermined level of cationic impurity representative of actual or impending ionic breakthrough in the cation exchange material, at least periodically automatically monitoring the acid that has passed through at least a predetermined portion of the anion exchange material for a predetermined level of anionic impurity representative of ionic breakthrough in the anion exchange material, automatically interrupting flow of acid through the anionic or cationic exchange material at or prior to the time the breakthrough in such material occurs, while the flow is interrupted, regenerating the anionic or cationic exchange material, resuming the flow after the exchange material is regenerated, passing the acid from the cationic and anionic exchange materials through an ultrafilter and into a storage container, and monitoring the level of particulate impurities in acid that has passed through the anion and cation exchange materials and automatically passing the acid in the storage container through a filter when the level of particulates exceeds a predetermined level, until the particulates are below the predetermined level. Also disclosed is an apparatus for performing the foregoing process.
摘要翻译：一种净化氢氟酸的方法，包括以下步骤：过滤氢氟酸以除去微粒，使过滤的酸通过阳离子交换材料和阴离子交换材料以从其中除去离子，至少周期性地自动监测已通过的酸至少一个阳离子交换材料的预定部分，用于表示阳离子交换材料中实际或即将离子穿透的预定水平的阳离子杂质，至少周期性地自动监测已经通过至少预定部分阴离子交换材料的酸对于表示阴离子交换材料中的离子突破的预定水平的阴离子杂质，在发生这种材料的穿透时或之前自动中断通过阴离子或阳离子交换材料的酸流，同时流动被中断，再生阴离子或阴在交换材料再生后恢复流动，将酸从阳离子交换材料和阴离子交换材料通过超滤器并进入储存容器，并监测已经通过阴离子和阳离子的酸中的颗粒杂质的水平交换材料，并且当微粒的水平超过预定水平时，直到颗粒低于预定水平时，通过过滤器自动地将酸存储在储存容器中。还公开了一种用于执行上述处理的装置。

9. 发明授权

US4499025A Electrochemical maintenance of catalyst activity 失效
标题翻译：电化学维持催化剂活性
公开(公告)号：US4499025A
公开(公告)日：1985-02-12
申请号：US371378
申请日：1982-04-23
申请人： John B. Davison , Raymond J. Jasinski , Pamela J. Peerce-Landers
发明人： John B. Davison , Raymond J. Jasinski , Pamela J. Peerce-Landers
IPC分类号： B01J31/16 , B01J31/24 , B01J37/34 , C07C255/49 , C07C121/50
CPC分类号： C07C255/00 , B01J31/2404 , B01J37/348 , B01J2231/40 , B01J2531/824 , B01J2531/847
摘要： The instant invention relates to a process for the conversion of an aryl halide into an aryl cyanide, which comprises the steps of:(a) providing a first electrode and a second electrode of opposite polarity from said first electrode in an electrolyte, said electrolyte comprising an aryl halide and a zerovalent Group VIII metal catalyst complex dissolved in a conductive solvent, wherein said Group VIII metal catalyst complex is capable of catalyzing the conversion of said aryl halide to an aryl cyanide in the presence of cyanide ions and susceptible to reaction with cyanide ions to yield a catalytically inactive Group VIII metal species,(b) providing cyanide ions in said electrolyte to convert said aryl halide to said aryl cyanide,(c) providing a flow of current between said electrodes, and(d) selectively controlling the electrical potential between said first and second electrode to convert said catalytically inactive Group VIII metal species to said zero valent Group VIII metal catalyst complex.More broadly, the instant invention relates to an improvement in a process for the conversion of a reactant into a reaction product in the presence of a soluble Group VIII metal catalyst complex, wherein said conversion is characterized by the reactant and Group VIII metal catalyst complex combining to form an intermediate, which intermediate may decompose in the presence of a coreactant to said reaction product and said Group VIII metal catalyst complex or said Group VIII metal catalyst may combine with said coreactant to yield a catalytically inactive Group VIII metal species, wherein the improvement comprises electrochemically converting said catalytically inactive Group VIII metal species into said Group VIII metal catalyst complex.
摘要翻译：本发明涉及一种将芳基卤转化成芳基氰化物的方法，其包括以下步骤：（a）在电解质中提供与所述第一电极相反极性的第一电极和第二电极，所述电解质包括芳基卤化物和溶解在导电溶剂中的零价Ⅷ族金属催化剂络合物，其中所述VIII族金属催化剂络合物能够在氰化物离子存在下催化所述芳基卤化物转化成芳基氰化物并易于与氰化物反应（b）在所述电解质中提供氰化物离子以将所述芳基卤转化成所述芳基氰化物，（c）在所述电极之间提供电流，和（d）选择性地控制所述电解质所述第一和第二电极之间的电位将所述催化非活性VIII族金属物质转化成所述零价金属Ⅷ族金属天才复合体。更广泛地说，本发明涉及在可溶性VIII族金属催化剂络合物存在下将反应物转化为反应产物的方法的改进，其中所述转化的特征在于反应物和VIII族金属催化剂络合物的组合形成中间体，该中间体可以在共反应物存在下分解成所述反应产物，并且所述VIII族金属催化剂络合物或所述VIII族金属催化剂可与所述共反应物结合以产生催化无活性的第VIII族金属物质，其中改进包括将所述催化活性的第VIII族金属物质电化学转化为所述第VIII族金属催化剂络合物。

10. 发明授权

US4132842A Silicon-phthalocyanine-siloxane polymers 失效
标题翻译：硅酞菁 - 硅氧烷聚合物
公开(公告)号：US4132842A
公开(公告)日：1979-01-02
申请号：US880514
申请日：1978-02-23
申请人： Kenneth J. Wynne , John B. Davison
发明人： Kenneth J. Wynne , John B. Davison
IPC分类号： C08G77/26 , C08L63/00 , C08G77/04
CPC分类号： C08G77/26 , C08L63/00
摘要： A silicon-phthalocyanine-siloxane polymer having the formula ##STR1## WHEREIN Pc is a phthalocyanine nucleus, Ph is a phenyl group, n is an integer from 1 to 8, and x is an average value up to 20, is prepared by a method including a reaction of a phthalocyanine-silicon-disilanol with a bis(ureido) dialkyl silane or bis(ureido) siloxane or by the reaction of a phthalocyanine-silicon-disilanol with a bis(dialkyl) amino) silane or a bis(dialkylamino) siloxane. These polymers are useful as strengthening agents for high-temperature resins, such as polyimides, poly(phthalocyanines) or epoxies and as coatings or dyes.
摘要翻译：具有式（PciOSiR'Ph（OSiR2“）nOSiR'PhO）x WHEREIN Pc的硅 - 酞菁 - 硅氧烷聚合物是酞菁核，Ph是苯基，n是1至8的整数，x是通过包括酞菁 - 硅 - 二硅烷醇与双（脲基）二烷基硅烷或双（脲基）硅氧烷的反应或通过酞菁 - 硅 - 二硅烷与双（二烷基）氨基）硅烷或双（二烷基氨基）硅氧烷。这些聚合物可用作高温树脂的增强剂，例如聚酰亚胺，聚（酞菁）或环氧树脂以及作为涂料或染料。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式