公开(公告)号：US5365003A

公开(公告)日：1994-11-15

申请号：US22220

申请日：1993-02-25

Applicant: Clarence D. Chang ,  Cynthia T.-W. Chu ,  Thomas F. Degnan ,  Paul G. Rodewald ,  David S. Shihabi

Inventor： Clarence D. Chang ,  Cynthia T.-W. Chu ,  Thomas F. Degnan ,  Paul G. Rodewald ,  David S. Shihabi

IPC: B01J29/06 ,  B01J29/40 ,  B01J31/02 ,  B01J31/12 ,  C07C6/12 ,  C07C5/22 ,  C07C2/02 ,  C07C2/64 ,  C10G73/00

CPC classification number: B01J31/124 ,  B01J29/06 ,  B01J29/40 ,  B01J31/0274 ,  C07C6/123 ,  B01J2229/12 ,  B01J2229/32 ,  B01J2229/42 ,  Y02P20/52

Abstract: A process for a shape selective hydrocarbon conversion such as toluene disproportionation, involves contacting a reaction stream under conversion conditions with a catalytic molecular sieve which has been preselectivated by agglomerating with an organosilicon compound. The invention also includes a method for agglomeration-preselectivation and the shape selective catalyst which results from the agglomeration preselectivation.

Abstract translation: 形成选择性烃转化如甲苯歧化的方法包括使转化条件下的反应物流与已经通过与有机硅化合物凝聚而预选的催化分子筛接触。 本发明还包括聚集预选的方法和由聚集预选导致的形状选择性催化剂。

公开(公告)号：US5345026A

公开(公告)日：1994-09-06

申请号：US95882

申请日：1993-07-22

Applicant: Clarence D. Chang ,  Jose G. Santiesteban ,  David L. Stern

Inventor： Clarence D. Chang ,  Jose G. Santiesteban ,  David L. Stern

IPC: C07C5/13 ,  C07C5/27

CPC classification number: C07C5/13 ,  C07C2521/06 ,  C07C2523/14 ,  C07C2523/42 ,  C07C2523/62 ,  Y10S585/94

Abstract: There is provided a ring opening process using a catalyst comprising a hydrogenation/dehydrogenation component, such as a noble metal, and an acidic solid component comprising a Group IVB metal oxide modified with an oxyanion of a Group VIB metal. An example of this catalyst is zirconia, modified with tungstate and platinum. This catalyst is used to convert cyclic hydrocarbons, such as cyclohexane and benzene, to paraffins, especially branched paraffins.

Abstract translation: 提供了使用包含氢化/脱氢组分如贵金属的催化剂和包含用VIB族金属的氧阴离子改性的IVB族金属氧化物的酸性固体组分的开环方法。 该催化剂的实例是用钨酸盐和铂改性的氧化锆。 该催化剂用于将环状烃如环己烷和苯转化为链烷烃，特别是支链链烷烃。

公开(公告)号：US5321183A

公开(公告)日：1994-06-14

申请号：US939752

申请日：1992-09-02

Applicant: Clarence D. Chang ,  Paul G. Rodewald

Inventor： Clarence D. Chang ,  Paul G. Rodewald

IPC: B01J29/06 ,  B01J29/40 ,  B01J29/44 ,  B01J31/02 ,  B01J31/12 ,  C07B61/00 ,  C07C1/20 ,  C07C2/12 ,  C07C2/66 ,  C07C2/84 ,  C07C2/86 ,  C07C5/22 ,  C07C5/27 ,  C07C5/41 ,  C07C5/52 ,  C07C6/12 ,  C07C11/02 ,  C07C15/02 ,  C07C15/08 ,  C07C45/51 ,  C07C45/54 ,  C07C49/825 ,  C10G45/64 ,  C10G50/00 ,  C10G50/02 ,  C10G73/02 ,  C07C2/00 ,  C07C4/00 ,  C07C6/00

CPC classification number: B01J31/124 ,  B01J29/40 ,  B01J29/44 ,  B01J31/0274 ,  B01J31/125 ,  C07C1/20 ,  C07C2/12 ,  C07C2/66 ,  C07C45/54 ,  C07C5/2708 ,  C07C5/41 ,  C07C6/123 ,  C07C6/126 ,  C10G45/64 ,  C10G50/00 ,  B01J2229/12 ,  B01J2229/42 ,  C07C2529/40 ,  Y02P20/52

Abstract: Processes for converting a wide variety of aromatic hydrocarbons, such as polyalkylaromatics, into commercially useful para-substituted aromatics such as para-xylene are disclosed. The aromatic hydrocarbon feed stream is first partially converted into toluene which is then subjected to a highly para-selective methylation process. The present invention therefore provides novel processes and catalysts for increasing the para-selectivity in the selective production of para-substituted aromatic compounds. From the description provided herein, those skilled in the art will appreciate that the catalysts and processes of the present invention provide greater para-selectivity at conversion rates unattained by previously known methods.

Abstract translation: 公开了将各种芳烃如聚烷基芳烃转化成商业上有用的对位取代的芳族化合物如对二甲苯的方法。 首先将芳烃进料流部分转化成甲苯，然后进行高度对位选择性甲基化处理。 因此，本发明提供用于增加选择性生产对位取代的芳族化合物中的对选择性的新方法和催化剂。 根据本文提供的描述，本领域技术人员将理解，本发明的催化剂和方法在转化率下提供了通过先前已知的方法获得的较高的对选择性。

公开(公告)号：US5236575A

公开(公告)日：1993-08-17

申请号：US802938

申请日：1991-12-06

Applicant: J. Michael Bennett ,  Clarence D. Chang ,  Stephen L. Lawton ,  Michael E. Leonowicz ,  Daria N. Lissy ,  Mae K. Rubin

Inventor： J. Michael Bennett ,  Clarence D. Chang ,  Stephen L. Lawton ,  Michael E. Leonowicz ,  Daria N. Lissy ,  Mae K. Rubin

IPC: B01J29/06 ,  B01J29/70 ,  C01B39/04 ,  C01B39/06 ,  C01B39/48 ,  C07B61/00 ,  C07C2/02 ,  C07C2/66 ,  C07C15/02 ,  C07C37/14 ,  C07C37/16 ,  C07C39/06 ,  C10G11/05 ,  C10G35/095

CPC classification number: B01J29/7038 ,  B01J29/70 ,  B01J29/7049 ,  B01J29/87 ,  C01B39/065 ,  C01B39/48 ,  B01J2229/26 ,  B01J2229/36 ,  B01J2229/42

Abstract: This invention relates to a new synthetic porous crystalline material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.

Abstract translation: 本发明涉及一种新的合成多孔结晶材料，其制备方法和用于有机化合物的催化转化。 新的结晶材料表现出独特的X射线衍射图。

公开(公告)号：US5173461A

公开(公告)日：1992-12-22

申请号：US497046

申请日：1990-03-21

Applicant: Robert P. Absil ,  Scott Han ,  David S. Shihabi ,  David O. Marler ,  Clarence D. Chang ,  Donna M. Mitko

Inventor： Robert P. Absil ,  Scott Han ,  David S. Shihabi ,  David O. Marler ,  Clarence D. Chang ,  Donna M. Mitko

IPC: B01J29/40 ,  C07C6/12

CPC classification number: B01J29/40 ,  C07C6/126 ,  B01J2229/12 ,  B01J2229/26 ,  B01J2229/32 ,  B01J2229/42 ,  C07C2529/40

Abstract: A catalyst comprising a molecular sieve having a lattice aluminum content in which the silica/alumina framework mole ratio is less than 55, and having a diffusion rate constant of less than about 150 sec.sup.-1 .times.10.sup.-6 is particularly useful for vapor-phase disproportionation of toluene.

Abstract translation: 包含具有格子铝含量的分子筛的催化剂，其二氧化硅/氧化铝骨架摩尔比小于55，并且具有小于约150秒-1×10 -6的扩散速率常数特别适用于气相歧化 甲苯。

公开(公告)号：US5147627A

公开(公告)日：1992-09-15

申请号：US179338

申请日：1988-04-08

Applicant: Clarence D. Chang ,  John D. Lutner

Inventor： Clarence D. Chang ,  John D. Lutner

IPC: B01J29/85 ,  C01B37/08

CPC classification number: B01J29/85 ,  C01B37/08

Abstract: This invention relates to a new crystalline silicoaluminophosphate composition, to a new and useful improvement in synthesizing said crystalline composition and to use of said crystalline composition prepared in accordance herewith as a catalyst component for organic compound, e.g. hydrocarbon compound, conversion.

公开(公告)号：US5141729A

公开(公告)日：1992-08-25

申请号：US179343

申请日：1988-04-08

Applicant: Clarence D. Chang ,  John D. Lutner

Inventor： Clarence D. Chang ,  John D. Lutner

IPC: C01B37/04 ,  C01B37/08

CPC classification number: C01B37/08 ,  C01B37/04

Abstract: This invention relates to a new crystalline metalloaluminophosphate composition, to a new and useful improvement in synthesizing said crystalline composition and to use of said crystalline composition prepared in accordance herewith as a catalyst component for organic compound, e.g. hydrocarbon compound, conversion.

Abstract translation: 本发明涉及一种新的结晶金属铝磷酸盐组合物，用于合成所述结晶组合物的新的和有用的改进，以及使用根据本文制备的所述结晶组合物作为有机化合物的催化剂组分。 烃化合物，转化。

公开(公告)号：US5141728A

公开(公告)日：1992-08-25

申请号：US179175

申请日：1988-04-08

Applicant: Clarence D. Chang ,  John D. Lutner

Inventor： Clarence D. Chang ,  John D. Lutner

IPC: C01B37/04 ,  C01B37/08

CPC classification number: C01B37/04 ,  C01B37/08

Abstract: This invention relates to a new crystalline aluminophosphate composition, to a new and useful improvement in synthesizing said crystalline composition and to use of said crystalline composition prepared in accordance herewith as a catalyst component for organic compound, e.g. hydrocarbon compound, conversion.

公开(公告)号：US4919790A

公开(公告)日：1990-04-24

申请号：US264766

申请日：1988-10-31

Applicant: Robert P. L. Absil ,  Clarence D. Chang ,  Cynthia T-W. Chu ,  Donald J. Klocke

Inventor： Robert P. L. Absil ,  Clarence D. Chang ,  Cynthia T-W. Chu ,  Donald J. Klocke

IPC: B01J29/90 ,  B01J38/64 ,  C10G45/64

CPC classification number: B01J38/64 ,  B01J29/90 ,  C10G45/64

Abstract: A method for hydrocarbon dewaxing which utilizes a reactivated acidic zeolite catalyst deactivated from MTG processing is disclosed. The deactivated MTG catalyst is contacted with a reactivation-effective amount of an alkali metal carbonate and/or an alkaline earth metal carbonate to reactivate the catalyst. The catalyst is, thereafter, converted to the catalytically active form. The catalyst is then steamed at a temperature and for a time period sufficient to reduce its alpha value to a level which is substantially equal to that of a fresh hydrocarbon dewaxing acidic zeolite catalyst. The reactivated catalyst is than used for catalyzing hydrocarbon dewaxing processes.

Abstract translation: 公开了一种利用从MTG处理失活的再活化的酸性沸石催化剂的烃脱蜡方法。 使失活的MTG催化剂与再活化有效量的碱金属碳酸盐和/或碱土金属碳酸盐接触以使催化剂再活化。 然后将催化剂转化为催化活性形式。 然后将催化剂在足以将其α值降低至与新鲜烃脱蜡酸性沸石催化剂基本相同的水平的温度下蒸发一段时间。 再活化的催化剂不仅用于催化烃脱蜡过程。

公开(公告)号：US4902663A

公开(公告)日：1990-02-20

申请号：US113317

申请日：1987-10-28

Applicant: Clarence D. Chang ,  Cynthia T-W. Chu

Inventor： Clarence D. Chang ,  Cynthia T-W. Chu

IPC: B01J21/08 ,  B01J21/12 ,  B01J23/04 ,  B01J37/00 ,  B01J37/26

CPC classification number: B01J23/04 ,  B01J21/08 ,  B01J21/12 ,  B01J37/0009 ,  B01J37/26

Abstract: A method for preparing an amorphous mixed oxide composition of enhanced catalytic activity is provided which involves extruding a mixture of silica with one or more other oxides, e.g. titania, gallia, alumina, etc., treating the extrudate with a basic aqueous alkali and/or alkaline earth solution and then treating the extrudate with an ammonium exchange solution.

Abstract translation: 提供了一种制备具有增强的催化活性的无定形混合氧化物组合物的方法，其包括将二氧化硅与一种或多种其它氧化物的混合物挤出。 氧化钛，氧化铝，氧化铝等，用碱性碱和碱土水溶液处理挤出物，然后用铵交换溶液处理挤出物。