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公开(公告)号：US09175108B2
公开(公告)日：2015-11-03
申请号：US14250214
申请日：2014-04-10
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Krishna Renganath Sarma , Ajit Behari Mathur , Rakshvir Jasra , Sudhakar Padmanabhan , Shashikant , Viralkumar Patel
CPC classification number: C08F4/76 , C08F4/64048 , C08F10/02 , C08F110/02 , C08F2500/01 , C08F2500/17
Abstract: The present invention relates to a non-cryogenic process for the large scale synthesis of disentangled ultra high molecular weight polyethylene (DUHMWPE) polymers. The process comprises of the following steps: a. mixing FI catalyst of formula I with a hydrocarbon solvent containing poly-methyl aluminoxane (P-MAO) co-catalyst in a vessel under stirring before polymerization or directly in the polymerization vessel at a temperature ranging between 25° C. and 29° C. under a dry Nitrogen atmosphere; and lower concentration of co-catalyst resulting in the associated benefits as described earlier in the claims and descriptions. b. pressurizing ethylene in the polymerization vessel and polymerizing ethylene in a solution or a suspension, continuously or batch wise, in one or more stages at a temperature is in the range of 30° C. to 50° C.
Abstract translation: 本发明涉及用于大规模合成解缠结超高分子量聚乙烯（DUHMWPE）聚合物的非低温方法。 该过程包括以下步骤：a。 在聚合之前搅拌下将式I的FI催化剂与含有聚甲基铝氧烷（P-MAO）助催化剂的烃溶剂混合在容器中，或直接在聚合容器中，温度范围为25℃至29℃。 在干燥氮气氛下; 并且较低浓度的助催化剂导致如权利要求和描述中所述的相关益处。 b。 在聚合容器中加压乙烯并在一个或多个阶段中在连续或间歇的溶液或悬浮液中聚合乙烯的温度在30℃至50℃的范围内。
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2.发明申请Oxygenates-Free C8-C12 Aromatic Hydrocarbon Stream and a Process for Preparing the Same 有权不含氧化碳的C 8 -C 12芳族烃流及其制备方法公开(公告)号：US20150073197A1
公开(公告)日：2015-03-12
申请号：US14389908
申请日：2013-04-01
Applicant: Reliance Industries Limited
Inventor： Rakshvir Jasra , Prakash Kumar , Jagannath Das , Jince Sebastian
IPC: C07C7/13
CPC classification number: C07C7/13 , C07C7/12 , C07C2529/06 , C10G25/03 , C10G25/05 , C10G2300/1096 , C10G2300/207 , C10G2400/30 , C07C15/02
Abstract: The present disclosure provides a process for separating oxygenates present in an aromatic hydrocarbon stream to obtain an oxygenates-free aromatic hydrocarbon stream. The process involves selectively removing oxygenates from the aromatic hydrocarbon stream by passing said stream through at least one zeolite based adsorbing material.
Abstract translation: 本公开提供了分离存在于芳族烃流中的含氧化合物以获得无含氧化合物的芳族烃流的方法。 该方法包括通过使所述流通过至少一种基于沸石的吸附材料从芳烃流中选择性除去含氧化合物。
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公开(公告)号：US20150045496A1
公开(公告)日：2015-02-12
申请号：US14385074
申请日：2013-03-14
Applicant: Reliance Industries Limited
Inventor： Rakshvir Jasra , Madhuchhanda Maiti , Vivek Srivastava
IPC: C08L47/00
CPC classification number: C08L47/00 , C08C19/22 , C08F4/52 , C08F4/76 , C08F110/02 , C08F279/02 , C08K5/14 , C08K5/34 , C08K5/3472 , C08L9/00 , C08L51/06 , C08F222/06 , C08F10/00 , C08F4/64048 , C08F4/025 , C08F2500/01
Abstract: The present disclosure relates to a thermo-reversible and self-healing blend comprising polybutadiene compounded with at least one ring opening agent and at least one ring compound containing at least one hetero-cyclic compound and at least one grafting enabling moiety, wherein the ring opening agent is capable of opening the ring compound to provide at least one open functional group to which the ring opening agent is capable of bonding, and wherein the ring compound is capable of grafting on the backbone of a polymer through the grafting enabling moiety. The present disclosure also relates to a process for preparing a thermo-reversible and self-healing blend and its use in preparing molded articles.
Abstract translation: 本发明涉及一种热可逆和自修复混合物，其包含与至少一种开环剂和至少一种含有至少一种杂环化合物和至少一种接枝使能部分的环化合物混合的聚丁二烯，其中所述开环 能够打开环化合物以提供开环剂能够键合的至少一个开放官能团，并且其中环化合物能够通过接枝使能部分在聚合物的主链上接枝。 本公开还涉及制备热可逆和自愈合共混物的方法及其在制备模塑制品中的用途。
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公开(公告)号：US09725383B2
公开(公告)日：2017-08-08
申请号：US14389908
申请日：2013-04-01
Applicant: Reliance Industries Limited
Inventor： Rakshvir Jasra , Prakash Kumar , Jagannath Das , Jince Sebastian
IPC: H01L21/3065 , C07C7/13 , C07C7/12 , C10G25/03 , C10G25/05
CPC classification number: C07C7/13 , C07C7/12 , C07C2529/06 , C10G25/03 , C10G25/05 , C10G2300/1096 , C10G2300/207 , C10G2400/30 , C07C15/02
Abstract: The present disclosure provides a process for separating oxygenates present in an aromatic hydrocarbon stream to obtain an oxygenates-free aromatic hydrocarbon stream. The process involves selectively removing oxygenates from the aromatic hydrocarbon stream by passing said stream through at least one zeolite based adsorbing material.
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5.发明申请IMMOBILIZATION OF SINGLE SITE CATALYST ON INORGANIC OXIDE SUPPORT FOR PREPARATION OF UHMWPE 有权用于制备UHMWPE的无机氧化物支持下单一催化剂的稳定化公开(公告)号：US20150005461A1
公开(公告)日：2015-01-01
申请号：US14376554
申请日：2013-01-08
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Krishna Renganath Sarma , Rakshvir Jasra , Kayambu Kannan , Ajit Behari Mathur , Viralkumar Patel , Yogesh P. Patil
CPC classification number: C08F4/76 , C08F4/52 , C08F110/02 , C08F10/00 , C08F4/64048 , C08F4/025 , C08F2500/01
Abstract: There is provided a chemically immobilized heterogeneous single site polymerization catalyst represented by Formula I. wherein, M is a Group IV transition metal; R1 is or a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; R2-R5, are independently, H or a hydrocarbon; R6 is t-butyl; R7 is a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; and X1 and X2 are independently F, Cl, Br or I. There is also provided a method for the preparation of the chemically immobilized heterogeneous single site polymerization catalyst as represented by Formula I.
Abstract translation: 提供由式I表示的化学固定的异质单位聚合催化剂，其中M是IV族过渡金属; R1是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; R2-R5独立地为H或烃; R6是叔丁基; R7是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; X1和X2独立地为F，Cl，Br或I.还提供了制备式I表示的化学固定的异质单位聚合催化剂的方法。
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Patent Agency Ranking
公开(公告)号：US11267915B2
公开(公告)日：2022-03-08
申请号：US16480520
申请日：2018-01-19
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Pradip Munshi , Ninad Deepak Ingle , Santosh Agrawal , Uttam Maity , Rakshvir Jasra , Sunil Peter , Vriti Singh , Vishal Bhupendrakumar Shah , Gordhan Das Goyal
IPC: C08F114/06 , C08J3/28
Abstract: The present disclosure provides an effective and efficient process for the preparation of a dry chlorinated polyvinyl chloride (CPVC), comprising introducing chlorine gas into slurry of polyvinyl chloride in water to obtain a reaction mixture; irradiating the reaction mixture to obtain a product mixture comprising CPVC and water solution including unreacted chlorine gas and hydrogen chloride; filtering the product mixture to obtain a first mass; adding water to the first mass for extracting unreacted chlorine gas and hydrogen chloride to obtain an aqueous suspension, and filtering the aqueous suspension to obtain a second mass; passing nitrogen through the second mass to extract residual water solution to leave behind a third mass; and agitating the third mass in a high-speed mixer together with a neutralizing agent, and optionally with a stabilizer and a processing additive to obtain dry thermally stable CPVC with thermal stability in the range of 1000 seconds to 1500 seconds.
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公开(公告)号：US10391468B2
公开(公告)日：2019-08-27
申请号：US14689211
申请日：2015-04-17
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Rakshvir Jasra , Ninad Deepak Ingle , Pradeep Paresh Kapadia , Pradip Munshi
Abstract: The present disclosure relates to a process for the halogenation of hydrocarbon. In accordance with the process of the present disclosure a hydrocarbon and a halogen is introduced in a reaction vessel. Light having wavelength in the range of 390 to 780 nm is then passed into the reaction vessel for a time period of 2 to 12 hrs. to obtain a halogenated hydrocarbon. The hydrocarbon is agitated before or after the introduction of the halogen in to the reaction vessel.
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公开(公告)号：US09546231B2
公开(公告)日：2017-01-17
申请号：US14609913
申请日：2015-01-30
Applicant: Reliance Industries Limited
Inventor： Rajshekhar Ghosh , Ashis Ranjan Bandyopadhyay , Rakshvir Jasra
IPC: C08F8/04 , C08F110/14
CPC classification number: C08F110/14 , C08F8/04 , C08F2800/20 , C08F210/14 , C08F2500/08 , C08F2500/03
Abstract: In accordance with the present disclosure there is provided a process for preparing a hydrogenated olefin polymer by hydrogenation of a polyoctene; said polyoctene being prepared by reacting a C8-olefin feed comprising an isomeric mixture of an alpha-olefin and a non-alpha olefin monomer in a controlled manner with the help of an ionic catalyst, while controlling at least one condition of the reaction selected from the group of condition consisting of exotherm, contact time of the olefin feed with ionic catalyst and molar ratio of the ionic catalyst to the olefin feed within predetermined ranges to obtain an oligomerized mixture comprising at least one polyoctene and unreacted ionic catalyst.
Abstract translation: 根据本公开，提供了通过多辛烯氢化制备氢化烯烃聚合物的方法; 所述多辛烯是通过使含有α-烯烃和非α-烯烃单体的异构体混合物的C 8 - 烯烃进料在离子催化剂的帮助下以受控方式反应制备的，同时控制至少一种选自 该组条件包括放热，烯烃进料与离子催化剂的接触时间和离子催化剂与烯烃进料的摩尔比在预定范围内，以获得包含至少一种聚辛烯和未反应的离子催化剂的低聚混合物。
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9.发明授权Immobilization of single site catalyst on inorganic oxide support for preparation of UHMWPE 有权固定单位催化剂对无机氧化物载体的制备UHMWPE公开(公告)号：US09260538B2
公开(公告)日：2016-02-16
申请号：US14376554
申请日：2013-01-08
Applicant: Reliance Industries Limited
Inventor： Krishna Renganath Sarma , Rakshvir Jasra , Kayambu Kannan , Ajit Behari Mathur , Viralkumar Patel , Yogesh P. Patil
IPC: C08F4/76 , C08F4/52 , C08F110/02
CPC classification number: C08F4/76 , C08F4/52 , C08F110/02 , C08F10/00 , C08F4/64048 , C08F4/025 , C08F2500/01
Abstract: There is provided a chemically immobilized heterogeneous single site polymerization catalyst represented by Formula I. wherein, M is a Group IV transition metal; R1 is or a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; R2-R5, are independently, H or a hydrocarbon; R6 is t-butyl; R7 is a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; and X1 and X2 are independently F, Cl, Br or I. There is also provided a method for the preparation of the chemically immobilized heterogeneous single site polymerization catalyst as represented by Formula I.
Abstract translation: 提供由式I表示的化学固定的异质单位聚合催化剂，其中M是IV族过渡金属; R1是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; R2-R5独立地为H或烃; R6是叔丁基; R7是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; X1和X2独立地为F，Cl，Br或I.还提供了制备式I表示的化学固定的异质单位聚合催化剂的方法。
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公开(公告)号：US20150183901A1
公开(公告)日：2015-07-02
申请号：US14609913
申请日：2015-01-30
Applicant: Reliance Industries Limited
Inventor： Rajshekhar Ghosh , Ashis Ranjan Bandyopadhyay , Rakshvir Jasra
IPC: C08F110/14
CPC classification number: C08F110/14 , C08F8/04 , C08F2800/20 , C08F210/14 , C08F2500/08 , C08F2500/03
Abstract: In accordance with the present disclosure there is provided a process for preparing a hydrogenated olefin polymer by hydrogenation of a polyoctene; said polyoctene being prepared by reacting a C8-olefin feed comprising an isomeric mixture of an alpha-olefin and a non-alpha olefin monomer in a controlled manner with the help of an ionic catalyst, while controlling at least one condition of the reaction selected from the group of condition consisting of exotherm, contact time of the olefin feed with ionic catalyst and molar ratio of the ionic catalyst to the olefin feed within predetermined ranges to obtain an oligomerized mixture comprising at least one polyoctene and unreacted ionic catalyst.
Abstract translation: 根据本公开，提供了通过多辛烯氢化制备氢化烯烃聚合物的方法; 所述多辛烯是通过使含有α-烯烃和非α-烯烃单体的异构体混合物的C 8 - 烯烃进料在离子催化剂的帮助下以受控方式反应制备的，同时控制至少一种选自 该组条件包括放热，烯烃进料与离子催化剂的接触时间和离子催化剂与烯烃进料的摩尔比在预定范围内，以获得包含至少一种聚辛烯和未反应的离子催化剂的低聚混合物。
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