公开(公告)号：US10829569B2

公开(公告)日：2020-11-10

申请号：US15744513

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： John R. Hagadorn ,  Jo Ann M. Canich ,  Matthew W. Holtcamp ,  Patrick J. Palafox ,  Ramyaa Mathialagan

IPC: C08F4/76 ,  C08F4/64 ,  C08F4/6592 ,  C08F10/02 ,  C08F8/30 ,  C08F8/42 ,  C08F4/659 ,  C08F110/02

Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.

公开(公告)号：US11041029B2

公开(公告)日：2021-06-22

申请号：US15744478

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  John R. Hagadorn ,  Patrick J. Palafox ,  Ramyaa Mathialagan ,  Jo Ann M. Canich

IPC: C08F4/659 ,  C08F10/02 ,  C08F8/06 ,  C08F8/12 ,  C08F8/42 ,  C08F10/06 ,  C08F4/6592 ,  C08F2/34

Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.

公开(公告)号：US20180194872A1

公开(公告)日：2018-07-12

申请号：US15744478

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  John R. Hagadorn ,  Patrick J. Palafox ,  Ramyaa Mathialagan ,  Jo Ann M. Canich

IPC: C08F4/659 ,  C08F4/6592 ,  C08F8/42 ,  C08F10/02 ,  C08F10/06

CPC classification number: C08F4/65912 ,  C08F2/34 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/65927 ,  C08F8/06 ,  C08F8/12 ,  C08F8/42 ,  C08F10/02 ,  C08F10/06 ,  C08F110/02 ,  C08F2500/12 ,  C08F210/16 ,  C08F210/14 ,  C08F2500/03

Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising a support, an organoaluminum compound and a metallocene.

公开(公告)号：US11738334B2

公开(公告)日：2023-08-29

申请号：US17165618

申请日：2021-02-02

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Dongming Li ,  Kevin A. Stevens ,  Jo Ann M. Canich ,  John R. Hagadorn ,  Ramyaa Mathialagan ,  Timothy M. Boller

IPC: C08F4/646 ,  C08F4/80 ,  B01J31/22 ,  B01J31/16 ,  B01J21/08 ,  C08F4/64 ,  C08F4/659

CPC classification number: B01J31/2243 ,  B01J21/08 ,  B01J31/1616 ,  C08F4/646 ,  C08F4/64124 ,  C08F4/64151 ,  C08F4/65908 ,  C08F4/65916 ,  C08F4/80 ,  B01J2531/0238 ,  B01J2531/48 ,  B01J2531/49 ,  B01J2531/842

Abstract: This invention relates to a supported catalyst system comprising: (i) at least one first catalyst component comprising a group 4 bis(phenolate) complex; (ii) at least one second catalyst component comprising a 2,6-bis(imino)pyridyl iron complex; (iii) activator; and (iv) support. The catalyst system may be used for preparing polyolefins, such a bimodal polyethylene, typically in a gas phase polymerization.

公开(公告)号：US10676547B2

公开(公告)日：2020-06-09

申请号：US15744475

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  John R. Hagadorn ,  Patrick J. Palafox ,  Ramyaa Mathialagan ,  Jo Ann M. Canich

IPC: C08F4/642 ,  C08F4/6592 ,  C08F10/02 ,  C08F210/16 ,  C08F4/659

Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R′)3−v(R″)v, wherein each R′, independently, is a C1-C30 hydrocarbyl group; each R″, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.

公开(公告)号：US20180201700A1

公开(公告)日：2018-07-19

申请号：US15744475

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  John R. Hagadorn ,  Patrick J. Palafox ,  Ramyaa Mathialagan ,  Jo Ann M. Canich

IPC: C08F10/02

Abstract: This invention relates to organoaluminum compounds, organoaluminum activator systems, preferably supported, to polymerization catalyst systems containing these activator systems, and to polymerization processes utilizing the same. In particular, this invention relates to catalyst systems comprising ion-exchange layered silicate, a catalyst compound, an activator and an aluminum compound represented by formula: Al(R′)3−v(R″)v, wherein each R′, independently, is a C1-C30 hydrocarbyl group; each R″, independently, is a C4-C20 hydrocarbenyl group; and v is from 0.1 to 3.

公开(公告)号：US20180201698A1

公开(公告)日：2018-07-19

申请号：US15744513

申请日：2016-08-10

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： John R. Hagadorn ,  Jo Ann M. Canich ,  Matthew W. Holtcamp ,  Patrick J. Palafox ,  Ramyaa Mathialagan

IPC: C08F4/6592 ,  C08F4/64 ,  C08F4/659 ,  C08F8/30 ,  C08F8/42

Abstract: Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.