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公开(公告)号：US09617381B2
公开(公告)日：2017-04-11
申请号：US14907349
申请日：2014-07-25
Applicant: SABIC Global Technologies B.V.
Inventor： Pankaj Singh Gautam , Zeljko Kuzeljevic , William E. Hollar, Jr. , Mohan Khadilkar
CPC classification number: C08G64/406 , C08G64/24
Abstract: In another embodiment, a process of purifying an interfacially polymerized polycarbonate from a feed comprising an aqueous phase and an organic phase comprising an organic solvent, the interfacially polymerized polycarbonate, a catalyst, and ions, can comprise: separating the aqueous phase and the organic phase from the feed, wherein during the separating the feed is subjected to at least one of: energy of less than or equal to 0.5 kJ/kg of feed, a shear rate of less than 150,000 S−1, and centrifugal forces of 100 to 2,000 g-force; to form a purified aqueous phase and a purified organic phase comprising a purified polycarbonate.
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公开(公告)号：US20160237210A1
公开(公告)日：2016-08-18
申请号：US15025504
申请日：2014-09-30
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： James Alan Mahood , Pankaj Singh Gautam
Abstract: A catalyzed interfacial phosgenation process with controlled feed ratios and controlled reaction pH levels allows for the formation of high heat polycarbonate random copolymers having high loadings of bis (4-hydroxyphenyl)-2-phenylisoindolin-1-one (“PPPBP”) or a structurally related comonomer. The process produces a polycarbonate copolymer having improved hydrolytic stability.
Abstract translation: 具有受控进料比和受控反应pH水平的催化界面光气化过程允许形成具有高负载双（4-羟苯基）-2-苯基异吲哚啉-1-酮（“PPPBP”）或结构上的高热聚碳酸酯无规共聚物 相关的共聚单体。 该方法产生具有改善的水解稳定性的聚碳酸酯共聚物。
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公开(公告)号：US20250051248A1
公开(公告)日：2025-02-13
申请号：US18720987
申请日：2022-12-16
Applicant: SABIC Global Technologies B.V.
Inventor： Pankaj Singh Gautam , David West , Robert Broekhuis , Tian Gu
Abstract: An oxidative methane coupling (OCM) reactor has a reactor vessel that defines a reactor vessel interior. The reactor vessel having opposite ends and a central longitudinal axis that extends between the opposite ends. A catalyst bed assembly is positioned within the reactor vessel interior having a catalyst bed containing a layer of OCM catalyst of a uniform thickness. The catalyst bed assembly divides the reactor vessel interior into an upstream zone and a downstream zone. The catalyst bed has an upstream face for receiving the one or more flowing feed gases of methane and oxygen gas as a flowing mixture from the upstream zone. The upstream face of the catalyst bed is configured to have a total area that exceeds the largest transverse cross-sectional area of the interior of the reactor vessel that is perpendicular to the central longitudinal axis of the reactor vessel. The catalyst bed assembly is configured so that any portion of the flowing mixture passes from the upstream zone to the downstream zone through a single catalyst bed of the catalyst bed assembly.
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14.发明申请公开(公告)号：US20210300766A1
公开(公告)日：2021-09-30
申请号：US17259362
申请日：2019-07-17
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Pankaj Singh Gautam , Zheng Liu , Tian Gu , Debashis Chakraborty , Sanjeev Deshpande
IPC: C01B32/80 , C01B32/40 , B01J20/20 , B01J20/08 , B01J20/28 , C10K1/00 , C10K1/32 , B01D53/04 , B01D53/82 , B01D53/52
Abstract: Disclosed are methods and systems for desulfurization of CO-rich streams. A method can include contacting a CO-rich gas stream with activated carbon and/or contacting the CO-rich gas stream with a zinc-oxide sorbent material at a temperature of 0 to 50° C. to remove at least a portion of the sulfur-containing compounds present in the stream.
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公开(公告)号：US10442891B2
公开(公告)日：2019-10-15
申请号：US15951373
申请日：2018-04-12
Applicant: Sabic Global Technologies B.V.
Inventor： Karl Aaron Baro , Pankaj Singh Gautam
Abstract: In an embodiment, a continuous method of forming a bisphenol A oil comprises forming the bisphenol A oil by mixing a molten bisphenol A and water; wherein the bisphenol A oil comprises 10 to 30 wt % water based on a total weight of the bisphenol A oil and is at a temperature of 100 to 140° C.; flowing at least a portion of the bisphenol A oil through an inline densitometer and measuring a real-time density and a real-time temperature of the bisphenol A oil; determining a real-time concentration of the bisphenol A oil based on said real-time density and said real-time temperature.
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Patent Agency Ranking
公开(公告)号：US10059594B2
公开(公告)日：2018-08-28
申请号：US14907383
申请日：2014-07-25
Applicant: SABIC Global Technologies B.V.
Inventor： Pankaj Singh Gautam , William E. Hollar, Jr.
CPC classification number: C01B32/80 , B01J8/067 , B01J2208/00212 , B01J2208/00513 , B01J2208/0084 , B01J2208/025 , B01J2208/065
Abstract: In an embodiment, a method of producing phosgene in a tube reactor comprises introducing a feed comprising carbon monoxide and chlorine to a tube of the reactor, the tube having a particulate catalyst disposed therein, wherein a thermally conductive material separate from the tube contacts at least a portion of the particulate catalyst; to produce a product composition comprising phosgene, and carbon tetrachloride in an amount of 0 to 10 ppm by volume based on the volume of the phosgene.
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公开(公告)号：US09617382B2
公开(公告)日：2017-04-11
申请号：US14907354
申请日：2014-07-25
Applicant: SABIC Global Technologies B.V.
Inventor： William E. Hollar, Jr. , Pankaj Singh Gautam , Mohan Khadilkar , Zeljko Kuzeljevic
CPC classification number: C08G64/406
Abstract: In an embodiment, a process of purifying a polycarbonate from an interfacial polymerization product mixture comprising an aqueous phase and an organic phase comprising a first organic solvent, the polycarbonate, a catalyst, and ions, the process comprises: separating the aqueous phase and the organic phase to form a separated aqueous feed stream and a separated organic stream; extracting the catalyst and the ions from the separated organic stream to form a purified polycarbonate stream and an extracted aqueous feed stream, wherein at least one of the separated aqueous feed stream and the extracted aqueous feed stream comprise an organic portion and an aqueous portion; purifying an aqueous stream comprising one or both of the separated aqueous feed stream and the extracted aqueous feed stream by adjusting a viscosity of the organic portion to be less than or equal to 40 centipoise by adding a second organic solvent to the aqueous stream to form a combined stream; optionally, adjusting a ratio of the aqueous portion to the organic portion to 1.0 to 20.0 by adding an aqueous solution to the aqueous stream; and separating the combined stream to form a purified aqueous stream, wherein less than or equal to 3 vol % of the purified aqueous stream is the organic portion.
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公开(公告)号：US20160168322A1
公开(公告)日：2016-06-16
申请号：US14907349
申请日：2014-07-25
Applicant: SABIC Global Technologies B.V.
Inventor： Pankaj Singh Gautam , Zeljko Kuzeljevic , William E. Hollar , Mohan Khadilkar
CPC classification number: C08G64/406 , C08G64/24
Abstract: In another embodiment, a process of purifying an interfacially polymerized polycarbonate from a feed comprising an aqueous phase and an organic phase comprising an organic solvent, the interfacially polymerized polycarbonate, a catalyst, and ions, can comprise: separating the aqueous phase and the organic phase from the feed, wherein during the separating the feed is subjected to at least one of: energy of less than or equal to 0.5 kJ/kg of feed, a shear rate of less than 150,000 S−1, and centrifugal forces of 100 to 2,000 g-force; to form a purified aqueous phase and a purified organic phase comprising a purified polycarbonate.
Abstract translation: 在另一个实施方案中，从包含水相和包含有机溶剂，界面聚合的聚碳酸酯，催化剂和离子的有机相的进料中纯化界面聚合的聚碳酸酯的方法可以包括：将水相和有机相分离 其中在分离期间，进料经受以下中的至少一种：小于或等于0.5kJ / kg进料的能量，小于150,000S-1的剪切速率和100至2,000的离心力 g力 以形成纯化的水相和包含纯化的聚碳酸酯的纯化的有机相。
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公开(公告)号：US11040320B2
公开(公告)日：2021-06-22
申请号：US15558658
申请日：2016-03-17
Applicant: SABIC Global Technologies B.V.
Inventor： Pankaj Singh Gautam , Thomas Hocker , William E. Hollar, Jr. , James Alan Mahood , Richard Peters
Abstract: Provided are improved steam-drying systems, the systems being configured so as to multiple resin streams into steam streams.
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20.发明申请公开(公告)号：US20180362706A1
公开(公告)日：2018-12-20
申请号：US16062909
申请日：2016-11-16
Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
Inventor： Pankaj Singh Gautam , Rahul Patil , Jorge Jimenez , Joshua D. Taylor , James Alan Mahood , James Franklin Hoover
CPC classification number: C08G63/64 , B01J19/0066 , B01J19/1812 , C08G63/81 , C08G64/205 , C08G64/24 , C08G2105/00 , C08K5/13
Abstract: A method of preparing a poly(ester-carbonate) includes contacting an aqueous solution including a dicarboxylic acid with a first solution including phosgene and a first organic solvent in a tubular reactor to provide a first reaction mixture. A dihydroxy aromatic compound, the corresponding dialkali metal salt of the dihydroxy aromatic compound, or a combination comprising at least one of the foregoing, water, and a second organic solvent are combined to provide a second reaction mixture. The method further includes introducing the first reaction mixture, the second reaction mixture, and a second solution comprising phosgene to a tank reactor, wherein the tank reactor has a first pH of 7 to 10. The pH is optionally raised to 9 to 11 to provide a third reaction mixture including the poly(ester-carbonate). Poly(ester-carbonate)s prepared according to the method described herein are also disclosed.
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