公开(公告)号：US12054450B2

公开(公告)日：2024-08-06

申请号：US17293788

申请日：2019-11-19

Applicant: SHELL OIL COMPANY

Inventor： Jesse Raymond Black ,  Peter Mervyn Wilkinson ,  Christopher Paul Emborsky ,  Roel Guillaume Hubertus Leonardus Bastings ,  Benedict Ignatius Maria Ten Bosch

IPC: C07C29/10 ,  B01D3/00 ,  B01D3/20 ,  B01D3/32

CPC classification number: C07C29/106 ,  B01D3/008 ,  B01D3/20 ,  B01D3/324

Abstract: A process for the preparation of an alkylene glycol from an alkene comprising steps of: a) supplying a gas composition to an alkylene oxide absorber through a gas inlet, the absorber comprising an absorption section and a sump, and allowing the gas composition to pass upwards; b) supplying a lean absorbent to the top of the absorption section and allowing the lean absorbent to pass downwards; c) intimately contacting the gas composition with lean absorbent in the absorption section in the presence of one or more catalysts that promote carboxylation and hydrolysis; and d) withdrawing fat absorbent from the absorption section and passing the fat absorbent and any liquid condensate through the sump, wherein the sump comprises one or more baffles that define a flow pathway from a sump inlet to a sump outlet between the one or more baffles.

公开(公告)号：US20240109826A1

公开(公告)日：2024-04-04

申请号：US18505611

申请日：2023-11-09

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yuuki SUZUKI ,  Akitoshi OGATA ,  Asako YOSHIYAMA ,  Makoto MATSUURA ,  Yoshichika KUROKI ,  Yosuke KISHIKAWA

IPC: C07C29/10

CPC classification number: C07C29/10

Abstract: A composition containing: a compound (2); a metal compound; and at least one selected from a compound (3) and a compound (4), the compound (3) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (4) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (2) being represented by the following formula (2):




the compound (3) being represented by the following formula (3):




and the compound (4) being represented by the following formula (4):




wherein the various substituents of compounds (2), (3) and (4) are as defined herein.

公开(公告)号：US11897842B2

公开(公告)日：2024-02-13

申请号：US17833170

申请日：2022-06-06

Applicant: SHIN-ETSU CHEMICAL CO, LTD.

Inventor： Takeshi Kinsho ,  Akihiro Baba ,  Yusuke Nagae ,  Tomohiro Watanabe

IPC: C07C45/45 ,  C07C67/40 ,  C07C45/42 ,  C07C29/10 ,  C07C41/30 ,  C07C41/14 ,  C07C67/14 ,  C07C29/14 ,  C07C67/03 ,  C07C67/08 ,  C07C45/51

CPC classification number: C07C67/40 ,  C07C29/10 ,  C07C29/14 ,  C07C41/14 ,  C07C41/30 ,  C07C45/42 ,  C07C45/45 ,  C07C45/515 ,  C07C67/03 ,  C07C67/08 ,  C07C67/14 ,  C07C45/67 ,  C07C47/21 ,  C07C29/14 ,  C07C33/02 ,  C07C67/08 ,  C07C69/24 ,  C07C67/03 ,  C07C69/533 ,  C07C67/14 ,  C07C69/24 ,  C07C45/515 ,  C07C47/21

Abstract: A method for producing a 7-methyl-3-methylene-7-octenyl carboxylate compound (1), the method including the step of coupling a nucleophilic reagent of General Formula (8):




wherein M is a cationic moiety, with an acetal compound of General Formula (9):





wherein R1 and R2, which may be the same or different, are each an alkyl group having 1 to 6 carbon atoms, or are bonded to each other to form a divalent alkylene group having 2 to 12 carbon atoms, and X is a leaving group, to obtain the 7-methyl-3-methylene-7-octenal acetal compound.

公开(公告)号：US20220298132A1

公开(公告)日：2022-09-22

申请号：US17637197

申请日：2020-09-01

Applicant: SHELL OIL COMPANY

Inventor： Jesse Raymond BLACK ,  Roel Guillaume Hubertus Leonardus BASTINGS ,  Mark Albert Petrus DEKKERS

IPC: C07D317/38 ,  C07C29/10 ,  C07C29/80 ,  C07C29/76 ,  B01D3/14

Abstract: The invention relates to a process for producing ethylene carbonate and/or ethylene glycol, which comprises the following steps: a) supplying an overhead absorber stream withdrawn from an absorber to a vapor-liquid separator to yield an aqueous bottoms stream and a recycle gas stream; b) supplying an aqueous process stream comprising one or more impurities to a distillation apparatus to yield an overhead impurities stream and a purified aqueous process stream, wherein the aqueous process stream supplied to the distillation apparatus comprises at least a portion of the aqueous bottoms stream withdrawn from the vapor-liquid separator, wherein the overhead impurities stream is supplied to a condenser and is cooled to a temperature in the range of from 5 to 95° C., wherein the cooled overhead impurities stream is split into a reflux stream which is recycled to the distillation apparatus and an overhead impurities stream; and further steps c) and d).

公开(公告)号：US11236029B2

公开(公告)日：2022-02-01

申请号：US16876582

申请日：2020-05-18

Applicant: THE UNIVERSITY OF NEW HAMPSHIRE

Inventor： Richard Peter Johnson ,  Carter J. Holt

IPC: C07C15/20 ,  C07C41/30 ,  C07C1/24 ,  C07C29/10 ,  C07F1/02

Abstract: A three step synthesis of the 8,12-dihydro-4H-dibenzo[cd,mn]pyren-3a2-ylium cation (triangulenium cation) is effected by cascade cyclization of a tetra-benzyl alcohol precursor in triflic acid solution. This cation is easily observed by NMR and optical spectroscopy. Quenching of the cation into basic solutions or by hydride transfer from triethylsilane provides access to stable dihydro and tetrahydro[3]triangulenes. This route makes several [3]triangulene precursors more readily available for development of new applications in the field of molecular electronics.

公开(公告)号：US11053183B1

公开(公告)日：2021-07-06

申请号：US16805431

申请日：2020-02-28

Applicant: UOP LLC

Inventor： John J. Senetar ,  Yogesh Kumar Gupta ,  Joseph A. Montalbano

IPC: C07C29/84 ,  B01D3/14 ,  B01D3/40 ,  C07C29/10

Abstract: We have discovered that addition of water to a mixture of oxygenates increases their volatility relative to methanol. A process and apparatus are disclosed for separating methanol from other oxygenates. Water is separated from a stream comprising water, methanol and at least one other oxygenate to provide a water rich stream and a methanol and oxygenate rich stream. The methanol and oxygenate rich stream and water are fed to a column to provide an oxygenate rich stream and a methanol and water extract stream. The methanol and water can then be readily separated from each other.

公开(公告)号：US20210130309A1

公开(公告)日：2021-05-06

申请号：US17045807

申请日：2019-04-04

Applicant: SHELL OIL COMPANY

Inventor： Guus VAN ROSSUM ,  Ivana Daniela ESPOSITO CASSIBBA ,  Ronald Jan SCHOONEBEEK ,  Alouisius Nicolaas Renée BOS ,  Peter Alexander SCHUT ,  Laura Mariel CALVO

IPC: C07D301/06 ,  C07C5/48 ,  C07C29/10

Abstract: The invention relates to a Process for the production of ethylene oxide, comprising the steps of: (a) producing ethylene by subjecting a stream comprising ethane to oxidative dehydrogenation conditions, resulting in a stream comprising ethylene, ethane, water and acetic acid; (b) separating at least part of the stream resulting from step (a) into a stream comprising ethylene and ethane and a stream comprising water and acetic acid; (c) producing ethylene oxide by subjecting ethylene and ethane from the stream comprising ethylene and ethane resulting from step (b) to oxidation conditions, resulting in a stream comprising ethylene oxide, ethylene, ethane and water; (d) separating at least part of the stream resulting from step (c) into a stream comprising ethylene and ethane and a stream comprising ethylene oxide and water; (e) recycling ethylene and ethane from the stream comprising ethylene and ethane resulting from step (d) to step (a), wherein carbon dioxide is produced in steps (a) and (c) and is removed in an additional step between steps (b) and (c) and/or between steps (d) and (e).

公开(公告)号：US10738077B1

公开(公告)日：2020-08-11

申请号：US16845038

申请日：2020-04-09

Applicant: Wenbo Yao ,  Guaiping Qiao ,  Juan Li ,  Nan Hui ,  Qiao Zeng ,  Han Li ,  Bin Tian ,  Yongbo Wang ,  Dan Yang ,  Jingwen Xu ,  Liang Qi ,  Yanjun Li ,  Chengyuan Liang

Inventor： Wenbo Yao ,  Guaiping Qiao ,  Juan Li ,  Nan Hui ,  Qiao Zeng ,  Han Li ,  Bin Tian ,  Yongbo Wang ,  Dan Yang ,  Jingwen Xu ,  Liang Qi ,  Yanjun Li ,  Chengyuan Liang

IPC: C07J9/00 ,  C07C29/10 ,  A61K47/28

Abstract: A compound having the formula (I): is disclosed. A method of preparing the compound of formula (I) is also disclosed.

公开(公告)号：US10279280B2

公开(公告)日：2019-05-07

申请号：US15513572

申请日：2015-09-21

Applicant: SHELL OIL COMPANY

Inventor： Peter Mervyn Wilkinson ,  Jesse Raymond Black ,  Roel Guillaume Hubertus Leonardus Bastings

IPC: C07C31/20 ,  B01D3/20 ,  B01D3/22 ,  C07C29/10

Abstract: A process for the preparation of an alkylene glycol from an alkene is provided, along with an absorber apparatus. The process comprises: supplying a gas composition to an absorber comprising a column of vertically stacked trays, wherein each of the vertically stacked trays comprises: a perforated gas-liquid contacting member or members, a liquid inlet area, an outlet weir extending vertically above a surface of the tray at an opposite end of the tray from the liquid inlet area and having a height of at least 200 mm and at most 1500 mm, and a downcomer element which, in cooperation with an inner surface of a wall of the column, forms a downcomer for the passage of liquid downwardly to the liquid inlet area of an adjacent vertically stacked tray below, and allowing the gas composition to pass upwards through the alkylene oxide absorber.

公开(公告)号：US10106421B2

公开(公告)日：2018-10-23

申请号：US15380460

申请日：2016-12-15

Applicant: Korea Institute of Science and Technology

Inventor： Munju Goh ,  Nam Ho You ,  Hyeonuk Yeo ,  Bon-Cheol Ku ,  Sang Jun Youn ,  Jin Won Yu ,  Jin Jung

IPC: C07C29/10 ,  B01J23/34 ,  B01J23/26 ,  B01J23/36 ,  B01J23/46 ,  B01J27/13 ,  B01J23/22 ,  C01B31/04 ,  C01F7/02 ,  C08J11/16 ,  C01B32/17 ,  C01B32/23 ,  C01B32/196 ,  C01B32/956

Abstract: For depolymerization of a cured epoxy resin material, used is a composition including a transition metal salt or a transition metal oxide containing a transition metal element (metal element that belongs to Groups 3-12 in the Periodic Table). In the reaction solvent, an oxidation occurs by the medium of the transition metal element so that the cured epoxy resin material may be depolymerized and decomposed. In this manner, it is possible to carry out depolymerization of a cured epoxy resin material at a temperature of 200° C., specifically 100° C. or lower very simply and rapidly, and to reduce the processing cost and energy requirement.