公开(公告)号：US20240150502A1

公开(公告)日：2024-05-09

申请号：US18277331

申请日：2022-02-10

Applicant: Dow Global Technologies LLC

Inventor： Ruth Figueroa ,  Angela I. Padilla-Acevedo ,  Andrew J. Young ,  Roger L. Kuhlman ,  Susan Brown ,  Matthew E. Belowich ,  David R. Neithamer ,  Jerzy Klosin ,  David M. Pearson ,  Leslie E. O'Leary ,  Mari S. Rosen ,  Joseph F. DeWilde

IPC: C08F4/62 ,  C08F4/02 ,  C08F210/02

CPC classification number: C08F4/62193 ,  C08F4/025 ,  C08F210/02

Abstract: Embodiments are directed towards a use of a supported biphenylphenol polymerization catalyst to make a polymer via a slurry-phase polymerization process, where the supported biphenylphenol polymerization catalyst is made from a biphenylphenol polymerization precatalyst of Formula I.

公开(公告)号：US20230098987A1

公开(公告)日：2023-03-30

申请号：US17786672

申请日：2020-12-17

Applicant: Dow Global Technologies LLC

Inventor： Angela I. Padilla-Acevedo ,  Andrew J. Young ,  Roger L. Kuhlman ,  Susan Brown ,  Matthew E. Belowich ,  David R. Neithamer ,  Jerzy Klosin ,  David M. Pearson ,  Leslie E. O'Leary ,  Joseph F. DeWilde

IPC: C08F110/02

Abstract: Embodiments are directed towards a use of a supported gas-phase biphenylphenol polymerization catalyst to make a polymer via a gas-phase polymerization process, wherein the supported gas-phase biphenylphenol polymerization catalyst is made from a gas-phase biphenylphenol polymerization precatalyst of Formula I.

公开(公告)号：US20220403061A1

公开(公告)日：2022-12-22

申请号：US17771854

申请日：2020-11-04

Applicant: Dow Global Technologies LLC

Inventor： Angela I. Padilla-Acevedo ,  Andrew J. Young ,  Roger L. Kuhlman ,  Ruth Figueroa ,  Susan Brown ,  Matthew E. Belowich ,  David R. Neithamer ,  Jerzy Klosin ,  David M. Pearson ,  Mari S. Rosen ,  Bethany M. Neilson ,  Johnathan E. DeLorbe ,  Leslie E. O'Leary

IPC: C08F4/659 ,  C08F4/64 ,  C08F10/02

Abstract: Embodiments are directed towards the use of a supported biphenylphenol polymerization catalyst made from a biphenylphenol polymerization precatalyst of Formula I via a gas-phase or slurry-phase polymerization process under gas-phase or slurry-phase polymerization conditions to make a polymer.