Ligand compound, a preparation method thereof, a transition metal compound, and a preparation method thereof

US9790240B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9790240-B2
Application numberUS-201314649486-A
CountryUS
Kind codeB2
Filing dateNov 19, 2013
Priority dateDec 11, 2012
Publication dateOct 17, 2017
Grant dateOct 17, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention relates to a novel ligand compound, a preparation method thereof, a transition metal compound including the ligand compound, and a preparation method thereof. The ligand compound of novel structure according to the present invention and the transition metal compound including the same may be used as a polymerization reaction catalyst for preparing olefin polymers.

First claim

Opening claim text (preview).

What is claimed is: 1. A transition metal compound, represented by the following Chemical Formula 2: in Chemical Formula 2, n is an integer of 1 to 2; R 1 to R 16 are equal to or different from each other, and are independently hydrogen, a C 1 -C 20 alkyl, a C 1 -C 20 alkoxy, a C 2 -C 20 alkenyl, a C 6 -C 20 aryl, a C 7 -C 20 alkylaryl, a C 7 -C 20 arylalkyl, a C 3 -C 20 cycloalkyl, a C 5 -C 20 heteroring, or silyl, and 2 or more adjacent groups among R 1 to R 16 can be connected together via a C 1 -C 20 alkyl group or a C 6 -C 20 aryl group to form a ring; R 17 is hydrogen, a halogen, a C 1 -C 20 alkyl, a C 6 -C 20 aryl, or a C 1 -C 20 alkoxy; Q is carbon or silicon; M is a Group 4 transition metal; and X 1 and X 2 are equal to or different from each other, and are independently a halogen, a C 1 -C 20 alkyl, a C 2 -C 20 alkenyl, a C 6 -C 20 aryl, a C 7 -C 20 alkylaryl, a C 7 -C 20 arylalkyl, a C 1 -C 20 alkylamino, a C 6 -C 20 arylamino, or a C 1 -C 20 alkylidene group. 2. The transition metal compound according to claim 1 , wherein R 1 to R 16 are independently hydrogen, a C 1 -C 20 alkyl, a C 6 -C 20 aryl, a C 7 -C 20 alkylaryl, a C 7 -C 20 arylalkyl, or a C 5 -C 20 heteroring, and R 17 is a C 1 -C 20 alkyl or a C 6 -C 20 aryl. 3. The transition metal compound according to claim 1 , wherein the M is a metal selected from the group consisting Ti, Zr, and Hf. 4. The transition metal compound according to claim 1 , wherein the transition metal compound represented by Chemical Formula 2 is represented by any one of the following structural formulae:

Assignees

Inventors

Classifications

  • in combination with an organoaluminium compound · CPC title

  • Compounds containing elements of Groups 4 or 14 of the Periodic Table · CPC title

  • without C-Metal linkages · CPC title

  • C07F7/0812Primary

    comprising a heterocyclic ring · CPC title

  • Metallocenes · CPC title

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Frequently asked questions

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What does patent US9790240B2 cover?
The present invention relates to a novel ligand compound, a preparation method thereof, a transition metal compound including the ligand compound, and a preparation method thereof. The ligand compound of novel structure according to the present invention and the transition metal compound including the same may be used as a polymerization reaction catalyst for preparing olefin polymers.
Who is the assignee on this patent?
Lg Chemical Ltd
What technology area does this patent fall under?
Primary CPC classification C07F7/0812. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Oct 17 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).