公开(公告)号：US12286502B2

公开(公告)日：2025-04-29

申请号：US17622373

申请日：2020-06-23

Applicant: Dow Global Technologies LLC

Inventor： Jordan C. Reddel ,  Todd D. Senecal ,  Brad C. Bailey ,  Andrew M. Camelio ,  Sukrit Mukhopadhyay ,  John B. Etienne

IPC: C08F4/64 ,  C08F4/659 ,  C08F10/02 ,  C08F210/14 ,  C08F210/16

Abstract: Processes of polymerizing olefin monomers using catalyst systems comprising a procatalyst having a structure according to Formula (I).

公开(公告)号：US12252573B2

公开(公告)日：2025-03-18

申请号：US17415365

申请日：2019-12-20

Applicant: Dow Global Technologies LLC

Inventor： David Koenigs ,  David D. Devore ,  Brad C. Bailey ,  Endre Szuromi ,  Robert D. Grigg ,  David M. Pearson ,  Nolan T. McDougal ,  John B. Etienne ,  Sukrit Mukhopadhyay

IPC: C08F4/64 ,  C07F7/00 ,  C07F9/572 ,  C08F4/659 ,  C08F210/16

Abstract: The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer. The catalyst system comprising a metal-ligand complex according to formula (I).

公开(公告)号：US12215181B2

公开(公告)日：2025-02-04

申请号：US17599095

申请日：2020-03-24

Applicant: Dow Global Technologies LLC

Inventor： Todd D. Senecal ,  Sukrit Mukhopadhyay ,  Richard J. Keaton ,  Jerzy Klosin ,  Rafael Huacuja ,  David M. Pearson ,  William H. H. Woodward

IPC: C07F7/00 ,  C07F5/00 ,  C07F7/28 ,  C08F4/64 ,  C08F4/659 ,  C08F4/6592 ,  C08F210/16

Abstract: Embodiments include activators having a structure according to formula (I).

公开(公告)号：US12104002B2

公开(公告)日：2024-10-01

申请号：US17437275

申请日：2020-03-19

Applicant: Dow Global Technologies LLC

Inventor： Andrew M. Camelio ,  Brad C. Bailey ,  Tomas D. Paine ,  Sukrit Mukhopadhyay ,  Matthew D. Christianson

IPC: C08F210/02 ,  C08F2/04 ,  C08F2/16 ,  C08F4/659 ,  C08F210/16

CPC classification number: C08F4/65908 ,  C08F2/04 ,  C08F210/16

Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):

公开(公告)号：US20230183401A1

公开(公告)日：2023-06-15

申请号：US17607638

申请日：2020-04-30

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  THE TEXAS A&M UNIVERSITY SYSTEM

Inventor： Richard J. Keaton ,  Oleg V. Ozerov ,  Qingheng Lai ,  Jerzy Klosin ,  Michael J. Lesniak ,  David M. Pearson ,  Todd D. Senecal ,  William H.H. Woodward ,  Sukrit Mukhopadhyay ,  John R. Stutzman ,  Susan O. Gunther

IPC: C08F210/16 ,  C08F4/6592 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F4/6592 ,  C08F4/65908

Abstract: Processes of polymerizing polyolefins and synthesis of activators. The polymerization processes include polymerizing one or more (C2-C12)α-olefin monomers in the presence of at least one catalyst and at least one co-catalyst to produce a polyolefin. The co-catalyst includes a cation and an anion, in which the anion has a structure having a vinyl terminated alkene, one boron atom or more than one boron atoms, and at least four halogen atoms. The anion of the co-catalysts is incorporated into a polymer chain of the polyolefin.

公开(公告)号：US20230151157A1

公开(公告)日：2023-05-18

申请号：US17916834

申请日：2021-06-16

Applicant: Dow Silicones Corporation ,  Dow Global Technologies LLC

Inventor： Marc-Andre Courtemanche ,  Anne-Catherine Bédard ,  Heather Spinney ,  David Wilson ,  Arjun Raghuraman ,  Sukrit Mukhopadhyay ,  Travis Sunderland

IPC: C08G77/18 ,  C08G77/12 ,  C08G77/22 ,  C08G77/08

CPC classification number: C08G77/18 ,  C08G77/12 ,  C08G77/22 ,  C08G77/08

Abstract: A composition and method can be used in the preparation of various siloxanes. The composition and method employ a fluorinated triarylborane Lewis acid, a hydrocarbonoxy-functional organosilicon compound, and a silyl hydride. The fluorinated triarylborane Lewis acid catalyzes reaction of a hydrocarbonoxy moiety (from the organosilicon compound) and a silicon-bonded hydrogen atom (from the silyl hydride) to form a siloxane bond.

公开(公告)号：US20230123215A1

公开(公告)日：2023-04-20

申请号：US17915656

申请日：2021-06-16

Applicant: Dow Silicones Corporation ,  Dow Global Technologies LLC

Inventor： Marc-Andre Courtemanche ,  Anne-Catherine Bedard ,  Heather Spinney ,  David Wilson ,  Arjun Raghuraman ,  Sukrit Mukhopadhyay ,  Andrew Shah ,  David Devore ,  David Laitar ,  Jordan Reddel ,  Shuqi Lai

IPC: C08G77/12 ,  C08G77/08 ,  C08G77/44

Abstract: A composition includes a silyl hydride (having at least one silicon-bonded hydrogen atom per molecule) and a fluorinated triarylborane Lewis acid. In the method, the Lewis acid catalyzes reaction of silicon bonded hydrogen atoms from the silyl hydride and water, thereby forming a siloxane bond in the resulting product. The composition and method can be used to form siloxane intermediates and cured networks.

公开(公告)号：US20220251283A1

公开(公告)日：2022-08-11

申请号：US17433045

申请日：2020-02-14

Applicant: Dow Global Technologies LLC ,  Northwestern University

Inventor： Mihir Bhagat ,  Charmaine Bennett ,  Youlong Zhu ,  SonBinh T. Nguyen ,  Linda Broadbelt ,  Justin M. Notestein ,  Matthew E. Belowich ,  Arjun Raghuraman ,  William H. Heath ,  Sukrit Mukhopadhyay ,  Heather A. Spinney ,  David R. Wilson

IPC: C08G18/48 ,  C08G65/26 ,  C08G18/10 ,  C08G65/00

Abstract: A method of producing a polyether alcohol that includes feeding an initiator into a reactor, feeding one or more monomers into the reactor, feeding a polymerization catalyst into the reactor, the polymerization catalyst being a Lewis acid catalyst having a general formula M(R1)1(R2)1(R3)1(R4)0 or 1, separate from feeding the initiator into the reactor, feeding a hydrogen bond acceptor additive into the reactor, the hydrogen bond acceptor additive being a C2 to C20 organic molecule having at least two hydroxyl groups, of which two hydroxyl groups are situated in 1,2-, 1,3-, or 1,4- positions on the organic molecule, and allowing the initiator to react with the one or more monomers in the presence of the polymerization catalyst and the hydrogen bond acceptor additive to form a polyether alcohol having a number average molecular weight greater than a number average molecular weight of the initiator.

公开(公告)号：US20220162354A1

公开(公告)日：2022-05-26

申请号：US17437275

申请日：2020-03-19

Applicant: Dow Global Technologies LLC

Inventor： Andrew M. Camelio ,  Brad C. Bailey ,  Tomas D. Paine ,  Sukrit Mukhopadhyay ,  Matthew D. Christianson

IPC: C08F4/659 ,  C08F210/16 ,  C08F2/04

Abstract: Processes for polymerizing polyolefins include contacting ethylene and optionally one or more (C3-C12)α-olefin in the presence of a catalyst system, wherein the catalyst system comprises a metal-ligand complex having a structure according to formula (I):

公开(公告)号：US20220056164A1

公开(公告)日：2022-02-24

申请号：US17415365

申请日：2019-12-20

Applicant: Dow Global Technologies LLC

Inventor： David Koenigs ,  David D. Devore ,  Brad C. Bailey ,  Endre Szuromi ,  Robert D. Grigg ,  David M. Pearson ,  Nolan T. McDougal ,  John B. Etienne ,  Sukrit Mukhopadhyay

IPC: C08F4/659 ,  C08F4/64 ,  C08F210/16

Abstract: The polymerization process of this disclosure includes includes polymerizing ethylene and one or more olefins in the presence of a catalyst system under olefin polymerization conditions to form an ethylene-based polymer. The catalyst system comprising a metal-ligand complex according to formula (I):