公开(公告)号：US5922636A

公开(公告)日：1999-07-13

申请号：US972951

申请日：1997-11-19

申请人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

发明人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

IPC分类号： B01J27/125 ,  C07C2/26 ,  B01J31/02 ,  B01J31/12 ,  B01J31/26

CPC分类号： B01J31/0212 ,  B01J27/125 ,  C07C2/26 ,  B01J2231/20 ,  C07C2527/125 ,  C07C2527/126 ,  C07C2531/02 ,  C07C2531/26

摘要： A catalyst composition for use in oligomerization of olefins contained in refinery distillate streams including paraffins, naphthenes, and aromatics therein, the catalyst consisting of a first constituent which is at least one aluminum halide; and a second constituent which is at least one alkoxide of a transition metal of Group IVB of the Periodic Table and which has a general formula:M(OR).sub.4,where M is selected from the group consisting of metals of Group IVB of the Periodic Table and R is one of (a) an alkyl group having from 1-12 carbon atoms or (b) an alkylaryl group having an alkyl chain having from 1-12 carbon atoms.

摘要翻译： 一种催化剂组合物，用于在包含石油馏出物流中的烯烃的低聚反应中，其中包括烷烃，环烷烃和芳烃，所述催化剂由至少一种卤化铝的第一组分组成; 和第二组分，其为元素周期表IVB族过渡金属的至少一种醇盐，其具有通式M（OR）4，其中M选自周期表IVB族的金属 表和R是（a）具有1-12个碳原子的烷基或（b）具有1-12个碳原子的烷基链的烷基芳基之一。

公开(公告)号：US6096678A

公开(公告)日：2000-08-01

申请号：US64138

申请日：1998-04-22

申请人： Sabyasachi Sinha Ray ,  Rakesh Sarin ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Swaminathan Sivaram ,  Thekke Pangil Mohandas ,  Dattatraya Haribhau Gholap ,  Mallinamadugu Jogimarappa Gari Yanjarappa

发明人： Sabyasachi Sinha Ray ,  Rakesh Sarin ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Swaminathan Sivaram ,  Thekke Pangil Mohandas ,  Dattatraya Haribhau Gholap ,  Mallinamadugu Jogimarappa Gari Yanjarappa

IPC分类号： B01J27/125 ,  B01J31/14 ,  B01J31/00 ,  C07C2/02 ,  C07C2/24

CPC分类号： B01J27/125 ,  B01J31/143 ,  B01J2231/20

摘要： A process for the preparation of an inert oxide supported metal halide organo aluminium compound catalyst. The catalyst is obtained by reacting an activated support having surface hydroxyl groups with aluminium chloride selected from aluminium chloride solution and aluminium chloride vapors. A solution of an aluminium alkyl is added to the reacted support. The solvent is removed and the reacted support is dried.

摘要翻译： 一种制备惰性氧化物负载金属卤化物有机铝化合物催化剂的方法。 该催化剂通过使具有表面羟基的活性载体与选自氯化铝溶液和氯化铝蒸汽的氯化铝反应而获得。 向反应的载体中加入烷基铝溶液。 除去溶剂并干燥反应的载体。

公开(公告)号：US06184429B2

公开(公告)日：2001-02-06

申请号：US09354844

申请日：1999-07-16

申请人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

发明人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

IPC分类号： C07C202

CPC分类号： B01J31/0212 ,  B01J27/125 ,  B01J2231/20 ,  C07C2/26 ,  C07C2527/125 ,  C07C2527/126 ,  C07C2531/02 ,  C07C2531/26

摘要： This invention relates to a catalyst composition capable of effecting selective oligomerisation of olefins contained in cracked refinery distillate streams, comprising of olefins, aromatics, paraffins and cycloparaffins. The catalyst composition gives very high conversion of olefins to poly olefins, which after distillation and stabilization by hydrogenation affords lubricating oil base stocks. The catalyst composition comprises of an aluminum halide and a transition metal alkoxide belonging to group IVB.

摘要翻译： 本发明涉及一种催化剂组合物，其能够对包含在烯烃，芳族化合物，链烷烃和环烷烃的裂化炼油馏出物流中的烯烃进行选择性低聚。 催化剂组合物提供非常高的烯烃转化为聚烯烃，其在蒸馏和通过氢化稳定化后提供润滑油基础油。 催化剂组合物包含属于IVB族的卤化铝和过渡金属醇盐。

公开(公告)号：US6002060A

公开(公告)日：1999-12-14

申请号：US64177

申请日：1998-04-22

申请人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Swaminathan Sivaram ,  Thekke Pangil Mohandas ,  Dattatraya Haribhau Gholap ,  Mallinamadugu Jogimarappa Gari Yanjarappa

发明人： Rakesh Sarin ,  Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Swaminathan Sivaram ,  Thekke Pangil Mohandas ,  Dattatraya Haribhau Gholap ,  Mallinamadugu Jogimarappa Gari Yanjarappa

IPC分类号： C07C2/30 ,  C07C2/02

CPC分类号： C07C2/30 ,  C07C2527/126 ,  C07C2531/14 ,  C07C2531/26

摘要： A process for the oligomerization and co-oligomerization of alpha olefins by subjecting olefins to the step of oligomerization in the presence of a supported aluminum chloride catalyst and an organoaluminum compound as a promoter. The catalyst is separated and the reaction product is subjected to the step of fractional distillation for removal of the solvent. The oligomers are further fractionated to obtain poly alpha olefins.

摘要翻译： 一种通过在负载氯化铝催化剂和有机铝化合物作为助催化剂的存在下使烯烃进行低聚步骤来使α-烯烃低聚和共低聚的方法。 分离催化剂，反应产物进行分馏步骤以除去溶剂。 将低聚物进一步分馏以获得聚α烯烃。

公开(公告)号：US5714661A

公开(公告)日：1998-02-03

申请号：US655925

申请日：1996-05-31

申请人： Deepak Kumar Tuli ,  Sabyasachi Sinha Ray ,  Rakesh Sarin ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

发明人： Deepak Kumar Tuli ,  Sabyasachi Sinha Ray ,  Rakesh Sarin ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

IPC分类号： B01J29/08 ,  C07C2/12 ,  C07C11/02 ,  C10G50/02 ,  C07C2/10 ,  C07C2/74

CPC分类号： C10G50/02 ,  B01J29/084 ,  C07C11/02 ,  C07C2/12 ,  B01J2229/16 ,  C07C2529/08

摘要： A process for the preparation of oligomers which are used in synthetic lubricant base stocks. The oligomers are prepared by contacting a mixture of linear olefins and n-paraffins contained in cracked refinery streams having 6 to 24 carbon atoms with activated Y-zeolites. The oligomers and unreacted monomers are subjected to the step of hydrogenation and the lower saturated paraffins are separated therefrom to produce synthetic lubricant base stock.

摘要翻译： 用于制备合成润滑剂基础油料中的低聚物的方法。 低聚物的制备方法是将具有6至24个碳原子的裂解精炼料流中所含的直链烯烃和正链烷烃的混合物与活化的Y-沸石接触。 将低聚物和未反应的单体进行氢化步骤，从其中分离出较低的饱和链烷烃以制备合成润滑剂基础油料。

公开(公告)号：US6015768A

公开(公告)日：2000-01-18

申请号：US64139

申请日：1998-04-22

申请人： Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Meeta Sharma ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Prabhat Kumar Saxena ,  Swaminathan Sivaram

发明人： Sabyasachi Sinha Ray ,  Deepak Kumar Tuli ,  Meeta Sharma ,  Madan Mohan Rai ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar ,  Prabhat Kumar Saxena ,  Swaminathan Sivaram

IPC分类号： B01J31/02 ,  B01J31/12 ,  B01J31/14 ,  C08F4/646 ,  C08F210/16 ,  B01J31/00 ,  B01J23/00 ,  B01J23/58 ,  B01J27/135

CPC分类号： B01J31/143 ,  B01J31/0211 ,  B01J31/0212 ,  C08F210/16

摘要： A process for the preparation of heterogeneous zirconium based catalyst for polymerization of alpha-olefins to super high molecular weight poly (alpha-olefins). The process comprises in mixing zirconium alcholate or phenolate with anhydrous magnesium chloride in the presence of a solvent. The mixture is heated, then cooled and an organoaluminum compound is added. Optionally, an electron donor compound is added and heated to obtain a black slurry, which is cooled and then washed with a hydrocarbon diluent.

摘要翻译： 制备用于将α-烯烃聚合成超高分子量聚（α-烯烃）的非均相锆基催化剂的方法。 该方法包括在溶剂存在下将烷基铝酸盐或酚盐与无水氯化镁混合。 将混合物加热，然后冷却，并加入有机铝化合物。 任选地，加入电子给体化合物并加热，得到黑色浆料，将其冷却，然后用烃稀释剂洗涤。

公开(公告)号：US06540904B1

公开(公告)日：2003-04-01

申请号：US09518413

申请日：2000-03-03

申请人： Suhas Ranjan Gun ,  Priya Bandhu Chowdhury ,  Kashi Nath Bhattacharya ,  Achinta Kumar Roy ,  Umanand Sharma ,  Swapan Kumar Ghosh ,  Awadhesh Kumar Sinha ,  Santosh Kumar Chanda ,  Sukumar Mandal ,  Sanjay Kumar Ray ,  Asit Kumar Das ,  Satish Makhija ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

发明人： Suhas Ranjan Gun ,  Priya Bandhu Chowdhury ,  Kashi Nath Bhattacharya ,  Achinta Kumar Roy ,  Umanand Sharma ,  Swapan Kumar Ghosh ,  Awadhesh Kumar Sinha ,  Santosh Kumar Chanda ,  Sukumar Mandal ,  Sanjay Kumar Ray ,  Asit Kumar Das ,  Satish Makhija ,  Sobhan Ghosh ,  Akhilesh Kumar Bhatnagar

IPC分类号： C10G1102

CPC分类号： C10G11/02 ,  C10G2300/107

摘要： The present invention provides a process for the upgradation of petroleum residue into useful fractions by subjecting petroleum residue in the presence of a solvent and ferrous sulphate catalyst to a pressure in the range of 10 atm. to 120 atm., temperature in the range of 380-420° C., for a period in the range of 0-120 minutes, in a reactor vessel, in an inert atmosphere. The charge is then cooled to room temperature and the product gas released through scrubbers. The residue is re-heated, if required, for free flow of liquid product. The resulting liquid product is distilled to obtain useful fractions.

摘要翻译： 本发明提供了一种通过在溶剂和硫酸亚铁催化剂存在下将石油残余物在10atm范围内的压力下将石油残渣升级为有用级分的方法。 温度在380-420℃的范围内，在0-120分钟的时间内，在反应器容器中，在惰性气氛中。 然后将电荷冷却至室温，并通过洗涤器释放产物气体。 如果需要，残余物被重新加热，用于液体产品的自由流动。 将所得液体产物蒸馏以获得有用的级分。

公开(公告)号：US20050158237A1

公开(公告)日：2005-07-21

申请号：US10758898

申请日：2004-01-16

申请人： Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

发明人： Ram Thakur ,  Mohan Kuvettu ,  Biswanath Sarkar ,  Venkatachalam Krishnan ,  Mitra Patel ,  Sanjay Ray ,  Gopal Ravichandran ,  Satish Makhija ,  Sobhan Ghosh

IPC分类号： C01B39/02 ,  C01B39/14 ,  C01B39/20 ,  C01B39/26

CPC分类号： C01B39/14 ,  C01B39/02 ,  C01B39/20 ,  C01B39/26

摘要： The present invention relates to a process for enhancing the yield of molecular sieve zeolite during the synthesis from a sodium aluminosilicate reaction mixture, said process comprising the step of adding at an intermediate stage of crystallization a source of aluminum to the sodium aluminosilicate reaction mixture and allowing the mixture to crystallize.

摘要翻译： 本发明涉及一种在由铝硅酸钠反应混合物合成过程中提高分子筛沸石的产率的方法，所述方法包括在中间阶段将铝源加入到硅铝酸钠反应混合物中并允许 混合物结晶。

公开(公告)号：US06613710B2

公开(公告)日：2003-09-02

申请号：US09961384

申请日：2001-09-25

申请人： Sanjay Kumar Ray ,  Mohan Prabhu Kuvettu ,  Venkatchalam Krishnan ,  Gopal Ravichandran ,  Kamlesh Gupta ,  Sukumar Mandal ,  Satish Makhija ,  Sobhan Ghosh ,  Arumugam Velayutham Karthikeyani ,  Mitra Bhanu Patel

发明人： Sanjay Kumar Ray ,  Mohan Prabhu Kuvettu ,  Venkatchalam Krishnan ,  Gopal Ravichandran ,  Kamlesh Gupta ,  Sukumar Mandal ,  Satish Makhija ,  Sobhan Ghosh ,  Arumugam Velayutham Karthikeyani ,  Mitra Bhanu Patel

IPC分类号： B01J2116

CPC分类号： B01J37/0045 ,  B01J21/04 ,  B01J21/16 ,  B01J29/40 ,  B01J29/7007 ,  B01J35/002 ,  B01J2229/42 ,  C10G11/05

摘要： A process for preparing bi-functional catalyst for Fluid Catalytic Cracking (FCC), that comprises molecular sieves, modified clay and semi-basic alumina and the catalyst for highly effective cracking of high boiling petroleum feedstock to provide simultaneously, enhanced yields of Liquefied Petroleum Gas (LPG) and reduction of undesirable bottoms.

公开(公告)号：US06267873B1

公开(公告)日：2001-07-31

申请号：US09201896

申请日：1998-11-30

申请人： Asit Kumar Das ,  Debasis Bhattacharyya ,  Sukumar Mandal ,  Vutukuru Lakshmi Narasimha Murthy ,  Sanjeev Singh ,  Marri Rama Rao ,  Sobhan Ghosh

发明人： Asit Kumar Das ,  Debasis Bhattacharyya ,  Sukumar Mandal ,  Vutukuru Lakshmi Narasimha Murthy ,  Sanjeev Singh ,  Marri Rama Rao ,  Sobhan Ghosh

IPC分类号： C10G1100

CPC分类号： C10G11/187 ,  C10G11/18 ,  Y10S585/91

摘要： A fluidized catalytic cracking process for catalytically cracking a feed to lighter products includes introducing a heated catalyst and the feed into a bottom riser of a fluidized catalytic cracking apparatus and allowing the heated catalyst and the feed to preaccelerate upwardly within the bottom riser as a mixture; flowing the mixture upwardly from the bottom riser through a plurality of microriser tubes disposed within a regenerator under conditions effective to cause a cracking reaction of the hydrocarbons and result in a mixture including coked catalyst and hydrocarbon vapors; passing the mixture from the microriser tubes through a catalyst separator for separating the coked catalyst from the hydrocarbon vapors; collecting coked catalyst in a stripper for stripping out hydrocarbon vapors carried along with the coked catalyst and introducing the coked catalyst collected into a regenerator; simultaneous with flowing the mixture, combusting the coked catalyst within the regenerator under conditions effective to cause regeneration of the catalyst so that hot regenerated catalyst is produced and heat transferred to the microriser tubes; introducing the hot regenerated catalyst from the regenerator into the bottom riser for facilitating continuous operation; and directing hydrocarbon vapors from the catalyst separator and from the stripper to a fractionator for separation of products.

摘要翻译： 将进料催化裂化成较轻产物的流化催化裂化方法包括将加热的催化剂和进料引入流化催化裂化装置的底部提升管中，并允许加热的催化剂和进料作为混合物在底部提升管内向前预加速; 在有效引起烃的裂解反应并产生包括焦化催化剂和烃蒸汽的混合物的条件下，将混合物从底部提升管向上流过设置在再生器内的多个微型管; 将混合物从微循环管通过催化剂分离器，用于将焦化的催化剂与烃蒸气分离; 在汽提器中收集焦化的催化剂，用于汽提与焦炭催化剂一起携带的烃蒸气并将收集的焦化催化剂引入再生器中; 同时使混合物流动，在有效使催化剂再生的条件下在再生器内燃烧焦化催化剂，使得产生热再生催化剂并将热量传递至微型管; 将热再生催化剂从再生器引入底部提升管，以便于连续操作; 并将碳氢化合物蒸汽从催化剂分离器和汽提器引导至用于分离产物的分馏器。