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公开(公告)号：US11712686B2
公开(公告)日：2023-08-01
申请号：US17681073
申请日：2022-02-25
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
CPC classification number: B01J31/2243 , B01J31/2247 , C08F4/7014 , C08F10/02 , B01J2531/0205 , B01J2531/0297 , B01J2531/824 , B01J2531/847 , C08F2410/03
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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Patent Agency Ranking
公开(公告)号：US20220274097A1
公开(公告)日：2022-09-01
申请号：US17681073
申请日：2022-02-25
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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公开(公告)号：US20230249169A1
公开(公告)日：2023-08-10
申请号：US18124708
申请日：2023-03-22
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
CPC classification number: B01J31/2243 , B01J31/2247 , C08F4/7014 , C08F10/02 , B01J2531/0205 , B01J2531/0297 , B01J2531/824 , B01J2531/847 , C08F2410/03
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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公开(公告)号：US11358134B2
公开(公告)日：2022-06-14
申请号：US17255846
申请日：2019-06-26
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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公开(公告)号：US11833495B2
公开(公告)日：2023-12-05
申请号：US18124708
申请日：2023-03-22
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
CPC classification number: B01J31/2243 , B01J31/2247 , C08F4/7014 , C08F10/02 , B01J2531/0205 , B01J2531/0297 , B01J2531/824 , B01J2531/847 , C08F2410/03
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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公开(公告)号：US20210260567A1
公开(公告)日：2021-08-26
申请号：US17255846
申请日：2019-06-26
Applicant: University of Houston System
Inventor： Loi Hung Do , Zhongzheng Cai , Thi Tran , Dawei Xiao
Abstract: Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.
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