公开(公告)号：US4636576A

公开(公告)日：1987-01-13

申请号：US781172

申请日：1985-09-30

Applicant: Ajit K. Bhattacharya ,  John T. Nolan, Jr.

Inventor： Ajit K. Bhattacharya ,  John T. Nolan, Jr.

IPC: B01J31/00 ,  C07B61/00 ,  C07C68/00 ,  C07C69/96

CPC classification number: C07C68/005

Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a cyclic amide as an additive or cosolvent for the catalyst system.

Abstract translation: 在含有Cu（OMe）Cl作为催化剂的催化剂体系和环状酰胺作为催化剂体系的添加剂或共溶剂的存在下，通过使醇如甲醇与一氧化碳和氧气反应来制备碳酸二甲酯。

公开(公告)号：US5001252A

公开(公告)日：1991-03-19

申请号：US132229

申请日：1987-12-11

Applicant: Ajit K. Bhattacharya

Inventor： Ajit K. Bhattacharya

IPC: C07C68/00

CPC classification number: C07C68/005

Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide and oxygen in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and a urea or a mixture of ureas as a cosolvent for the catalyst system.

Abstract translation: 有机碳酸酯如碳酸二甲酯通过在含有Cu（OMe）Cl作为催化剂的催化剂体系和脲或作为催化剂的共溶剂的脲的混合物存在下，使甲醇等醇与一氧化碳和氧反应来制备， 系统。

公开(公告)号：US5358629A

公开(公告)日：1994-10-25

申请号：US6594

申请日：1993-01-21

Applicant: George R. Tamalis ,  David D. Chess ,  Mahendra S. Patel ,  Ajit K. Bhattacharya ,  Robert M. Gipson

Inventor： George R. Tamalis ,  David D. Chess ,  Mahendra S. Patel ,  Ajit K. Bhattacharya ,  Robert M. Gipson

IPC: C10G49/12 ,  C10G47/02 ,  C10G45/04

CPC classification number: C10G49/12

Abstract: A waste molybdenum-containing stream recovered from the work-up of a reaction mixture wherein propylene has reacted with t-butyl hydroperoxide to form propylene oxide (in the presence of a complex of ethylene glycol and a molybdenum compound) is passed as an oil-miscible/soluble molybdenum-containing catalyst to a reaction wherein heavy hydrocarbon is hydroconverted to lower boiling products in the presence of heterogeneous catalyst.

Abstract translation: 从反应混合物的后处理中回收的含有废钼的物流，其中丙烯与叔丁基过氧化氢反应形成环氧丙烷（在乙二醇和钼化合物的络合物的存在下）作为油 - 可混溶/可溶的含钼催化剂反应，其中在多相催化剂存在下将重质烃加氢转化为较低沸点产物。

公开(公告)号：US4822825A

公开(公告)日：1989-04-18

申请号：US185575

申请日：1988-04-25

Applicant: Ajit K. Bhattacharya ,  Michael S. Bolmer ,  Guillermo Prada-Silva

Inventor： Ajit K. Bhattacharya ,  Michael S. Bolmer ,  Guillermo Prada-Silva

IPC: C07C29/153 ,  C07C29/156 ,  C07C27/06

CPC classification number: C07C29/156 ,  C07C29/153

Abstract: A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a zeolite-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalysts comprises a zeolite support, at least one heavy metal oxide selected from the group of oxides consisting of molybdenum, tungsten, rhenium, optionally, a heavy metal oxide from the group of elements consisting of cobalt, iron and nickel and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided. A method for preparing zeolite-containing catalysts by treating with volatile metal complexes at high pressure is also provided.

Abstract translation: 一种一氧化碳氢化条件下，在含有沸石的重金属催化剂存在下，由一氧化碳和氢气反应制备低级脂族醇的混合物的方法，其中所述催化剂包括沸石载体，至少一种重金属氧化物 选自由钼，钨，铼组成的氧化物组，任选地，由钴，铁和镍组成的元素组的重金属氧化物和已经用含氮化合物处理的碱或碱土助催化剂， 或其热稳定衍生物。 还提供了通过用高压挥发性金属络合物处理来制备含沸石催化剂的方法。

公开(公告)号：US5868923A

公开(公告)日：1999-02-09

申请号：US839147

申请日：1997-04-23

Applicant: Michael K. Porter ,  Glenn A. Clausen ,  Jeffery B. Harrison ,  Ajit K. Bhattacharya

Inventor： Michael K. Porter ,  Glenn A. Clausen ,  Jeffery B. Harrison ,  Ajit K. Bhattacharya

IPC: B01J35/10 ,  C10G47/02 ,  C10G47/26 ,  C01G11/00

CPC classification number: C10G47/26 ,  B01J35/0026 ,  B01J35/1014 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1042 ,  B01J35/1047 ,  B01J35/108 ,  B01J35/109 ,  C10G47/02

Abstract: An improved ebullated bed hydroconversion process is disclosed that utilizes a bimodal heterogeneous catalyst and a metal containing oil-miscible-catalysts compound to achieve a reduction in sediment, an increase in conversion, a reduction in the energy utilized to maintain reaction conditions and increases the stability of the ebullated catalyst bed. The oil-miscible compound may be provided in a concentration so as to provide about 1 to about 60 wppm metal based on the charge hydrocarbon oil.

Abstract translation: 公开了一种改进的沸腾床加氢转化方法，其利用双峰非均相催化剂和含金属的油混溶性催化剂化合物来实现沉淀物的减少，转化率的增加，用于维持反应条件的能量的降低和增加稳定性 的沸腾催化剂床。 油可混合化合物的浓度可以提供约1至约60wppm金属，基于加料烃油。

公开(公告)号：US4886772A

公开(公告)日：1989-12-12

申请号：US208709

申请日：1988-06-20

Applicant: Guillermo Prada-Silva ,  Jitendra A. Patel ,  Ajit K. Bhattacharya

Inventor： Guillermo Prada-Silva ,  Jitendra A. Patel ,  Ajit K. Bhattacharya

IPC: C07C29/156

CPC classification number: C07C29/156 ,  Y02P20/52

Abstract: A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of a sulfide-containing heavy metal catalyst under carbon-monoxide-hydrogenation conditions in which said catalyst comprises at least one sulfided heavy metal element selected from the group consisting of molybdenum, tungsten, rhenium, and an alkali or alkaline earth promoter which has been treated with a nitrogen-containing compound, or a theramlly stable derivative thereof is provided.

Abstract translation: 在一氧化碳 - 氢化条件下，在含硫化物的重金属催化剂的存在下，从一氧化碳和氢气的反应制备低级脂族醇的混合物的方法，其中所述催化剂包含至少一种选自以下的硫化重金属元素： 提供了已经用含氮化合物处理的钼，钨，铼以及碱土或碱土助催化剂或其热稳定的衍生物。

公开(公告)号：US4638076A

公开(公告)日：1987-01-20

申请号：US766325

申请日：1985-08-16

Applicant: Ajit K. Bhattacharya

Inventor： Ajit K. Bhattacharya

IPC: C07C68/00

CPC classification number: C07C68/005

Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol with carbon monoxide oxygen in the presence of a catalyst system containing Cu(OMe)Cl as a catalyst and a phosphoramide as an additive for the catalyst system.

Abstract translation: 在含有Cu（OMe）Cl作为催化剂的催化剂体系和作为催化剂体系的添加剂的磷酰胺的存在下，使诸如甲醇的醇与一氧化碳氧反应制备有机碳酸酯。

公开(公告)号：US5423975A

公开(公告)日：1995-06-13

申请号：US910051

申请日：1992-07-08

Applicant: Chakka Sudhakar ,  Gerald G. Sandford ,  Ajit K. Bhattacharya

Inventor： Chakka Sudhakar ,  Gerald G. Sandford ,  Ajit K. Bhattacharya

IPC: C10G45/08 ,  C10G45/04

CPC classification number: C10G45/08

Abstract: Naphtha is selectively hydrodesulfurized using spent resid upgrading catalyst to remove sulfur while minimizing loss in octane level due to olefin saturation.

Abstract translation: 使用废渣改质催化剂选择性地加氢脱硫，以除去硫，同时使由烯烃饱和引起的辛烷值降低最小化。

公开(公告)号：US4879266A

公开(公告)日：1989-11-07

申请号：US218766

申请日：1988-07-14

Applicant: Ajit K. Bhattacharya

Inventor： Ajit K. Bhattacharya

IPC: C07C68/00

CPC classification number: C07C68/005

Abstract: An organic carbonate such as dimethyl carbonate is prepared by reacting an alcohol such as methanol, oxygen, and carbon monoxide in the presence of a catalyst system containing Cu(OMe)Cl as catalyst and boron trifluoride, calcium chloride, benzyltriethylammonium chloride, etc. as promoters.

Abstract translation: 在含有Cu（OMe）Cl作为催化剂的催化剂体系和三氟化硼，氯化钙，苄基三乙基氯化铵等的催化剂体系存在下，通过使甲醇，氧气和一氧化碳等醇类反应来制备碳酸二甲酯，作为 发起人。

公开(公告)号：US4824869A

公开(公告)日：1989-04-25

申请号：US158474

申请日：1988-02-22

Applicant: Guillermo Prada-Silva ,  Ajit K. Bhattacharya

Inventor： Guillermo Prada-Silva ,  Ajit K. Bhattacharya

IPC: B01J23/887 ,  C07C29/156 ,  C07C29/157

CPC classification number: B01J23/8872 ,  C07C29/156 ,  C07C29/157

Abstract: A method for preparing a mixture of lower aliphatic alcohols from the reaction of carbon monoxide and hydrogen in the presence of an oxide-containing heavy metal catalyst under carbon monoxide-hydrogenation conditions in which said catalyst comprises an alumina support, at least one heavy metal oxide selected from the group of oxides consisting of molybdenum, tungsten, rhenium, optionally, a heavy metal oxide from the group of elements consisting of cobalt, iron and nickel, and an alkali or alkaline earth promotor which has been treated with a nitrogen-containing compound, or a thermally stable derivative thereof is provided.

Abstract translation: 一种在一氧化碳 - 氢化条件下，在含氧化物的重金属催化剂存在下由一氧化碳和氢气反应制备低级脂族醇的混合物的方法，其中所述催化剂包含氧化铝载体，至少一种重金属氧化物 选自由钼，钨，铼组成的氧化物组，任选地，由钴，铁和镍组成的元素组中的重金属氧化物，以及已经用含氮化合物处理的碱金属或碱土金属的促进剂 ，或其热稳定衍生物。