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公开(公告)号:US11091567B2
公开(公告)日:2021-08-17
申请号:US16816507
申请日:2020-03-12
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Tzu-Pin Lin , Lubin Luo , Alex E. Carpenter , Gursu Culcu , Catherine A. Faler , Irene C. Cai , John R. Hagadorn , Jo Ann M. Canich
Abstract: The present disclosure relates to amido-benzoquinone transition metal complexes, catalyst systems including amido-benzoquinone transition metal complexes, and polymerization processes to produce polyolefin polymers such as polyethylene-based polymers and polypropylene-based polymers.
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公开(公告)号:US11034827B2
公开(公告)日:2021-06-15
申请号:US16379372
申请日:2019-04-09
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Xin Chen , Yen-Hao Lin , Anupriya Jain , Matthew S. Bedoya , Medrado M. Leal , Rebecca C. Savage , Rachel G. Terry , Sergey Yakovlev
Abstract: Heterophasic copolymers of propylene and an alpha olefin comonomer having a matrix phase and a fill phase, particularly, a heterophasic copolymer having a high fill phase content (greater than or equal to 50%), are provided herein. Polymerization methods and catalyst systems for producing such heterophasic copolymers are also provided.
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公开(公告)号:US20200325254A1
公开(公告)日:2020-10-15
申请号:US16816507
申请日:2020-03-12
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Tzu-Pin Lin , Lubin Luo , Alex E. Carpenter , Gursu Culcu , Catherine A. Faler , Irene C. Cai , John R. Hagadorn , Jo Ann M. Canich
Abstract: The present disclosure relates to amido-benzoquinone transition metal complexes, catalyst systems including amido-benzoquinone transition metal complexes, and polymerization processes to produce polyolefin polymers such as polyethylene-based polymers and polypropylene-based polymers.
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公开(公告)号:US10570219B2
公开(公告)日:2020-02-25
申请号:US15570822
申请日:2016-05-27
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Jeanette M. Diop , Jian Yang , Sudhin Datta , Patrick Brant
IPC: C08F210/06 , C08F4/6592 , C08L23/16 , C08F2/34 , C08L23/14 , C08F110/06 , C08F210/16 , C08L23/12 , C08L23/06 , C08F2/01 , C08F2/12 , C08F4/659 , C08F110/02 , C08F210/02
Abstract: Methods for the production of heterophasic polymers in gas and slurry phase polymerization processes, and polymer compositions made therefrom, are disclosed herein.
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公开(公告)号:US10329360B2
公开(公告)日:2019-06-25
申请号:US15570849
申请日:2016-06-03
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo
IPC: C08F4/02 , C08F4/6592 , C08F4/642 , C08F110/06 , C08F4/659 , C08F210/06 , C08F210/16 , C08F2/00 , C08F4/64 , C08F10/06
Abstract: The invention is directed to a supported olefin polymerization catalyst system comprising catalyst compound, silica support and alumoxane activator, where part of the alumoxane is present on the support and part of the alumoxane is not associated with the support, wherein the silica comprises silica particles having an average surface area of greater than about 400 m2/g, an average pore diameter of less than about 70 Angstroms, and wherein alumoxane is present on the support in an amount of less than 7 mmol Al/g silica and at least 1 wt % of alumoxane particles not associated with the support are present in the catalyst system, based upon the weight of the catalyst system.
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公开(公告)号:US10287372B2
公开(公告)日:2019-05-14
申请号:US15722926
申请日:2017-10-02
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Matthew W. Holtcamp , Gregory S. Day
IPC: C08F210/06 , C08F4/02 , C08L23/10 , C08L23/14 , C08F110/06 , C08F4/659 , C08F10/06 , C08L23/12 , C08F4/6592
Abstract: This invention relates to high porosity (≥15%) and/or low pore diameter (PD
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公开(公告)号:US10280235B2
公开(公告)日:2019-05-07
申请号:US15570835
申请日:2016-06-03
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo
IPC: C08F4/02 , C08F4/6592 , C08F4/642 , C08F210/06 , C08L23/12 , C08L23/16 , C08F2/00 , C08F4/64 , C08F4/659
Abstract: This invention relates to propylene polymers having multimodal molecular weight distribution and propylene polymerization processes using single site catalyst systems with supports having multimodal particle size distribution comprising one mode peaked at particle size of 3-70 μm, and another mode peaked at particle size of 70-200 μm, the support also having an average particle size of more than 30 μm up to 200 μm and a specific surface area of 400-800 m2/g.
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公开(公告)号:US10077325B2
公开(公告)日:2018-09-18
申请号:US15142961
申请日:2016-04-29
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Anupriya Jain , Xuan Ye
IPC: C08F4/02 , C08F4/6592 , C08F110/06 , C08F4/659
CPC classification number: C08F110/06 , C08F4/02 , C08F4/65912 , C08F4/65916 , C08F4/65927
Abstract: Olefin polymerization catalyst systems having high aluminoxane loading and methods for making and using them are disclosed herein.
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公开(公告)号:US20180258195A1
公开(公告)日:2018-09-13
申请号:US15570822
申请日:2016-05-27
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Jeanette M. Diop , Jian Yang , Sudhin Datta , Patrick Brant
IPC: C08F2/34 , C08F210/16 , C08F2/12 , C08F4/659 , C08F4/6592 , C08F110/02 , C08L23/16 , C08L23/12 , C08L23/06 , C08F2/01 , C08F210/06 , C08F210/02 , C08F110/06
CPC classification number: C08F2/34 , C08F2/01 , C08F2/12 , C08F4/65916 , C08F4/65927 , C08F110/02 , C08F110/06 , C08F210/02 , C08F210/06 , C08F210/16 , C08F2500/05 , C08F2500/16 , C08L23/06 , C08L23/12 , C08L23/14 , C08L23/16 , C08L2205/02 , C08L2207/02 , C08L2314/06
Abstract: Methods for the production of heterophasic polymers in gas and slurry phase polymerization processes, and polymer compositions made therefrom, are disclosed herein.
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公开(公告)号:US09738779B2
公开(公告)日:2017-08-22
申请号:US15142377
申请日:2016-04-29
Applicant: ExxonMobil Chemical Patents Inc.
Inventor: Lubin Luo , Gregory S. Day , Matthew W. Holtcamp
CPC classification number: C08L23/12 , C08F4/65916 , C08F2500/05 , C08J9/00 , C08J2323/10 , C08L23/24 , C08L2207/02 , C08L23/16 , C08F110/06 , C08F4/65912 , C08F2500/15 , C08F2500/18 , C08F2500/17 , C08F2500/12 , C08F2500/04 , C08F210/16 , C08F210/06 , C08F2500/03
Abstract: This invention relates to heterophasic copolymers of propylene and an alpha olefin comonomer having a high fill phase content (≧15%), and heterophasic polymerization processes using a single site catalyst system with a support having high average particle size (PS≧30 μm), high surface area (SA≧400 m2/g), low pore volume (PV≦2 mL/g), and a mean pore diameter range of 1≦PD≦20 nm.
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