Imine compound, novel catalyst for olefin polymerization, and process for producing olefin polymer
US-9862783-B2 · Jan 9, 2018 · US
Phosphonium-based zwitterionic monomers and polymers, and compositions and methods thereof
US12281132B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12281132-B2 |
| Application number | US-202318100592-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 24, 2023 |
| Priority date | Sep 9, 2019 |
| Publication date | Apr 22, 2025 |
| Grant date | Apr 22, 2025 |
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- Title
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- Abstract
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Abstract
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The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
First claim
Opening claim text (preview).
The invention claimed is: 1. A compound having the structural formula: wherein X is O or NH, R 1 is H or a methyl, each R 2 is independently an alkyl or aryl group, L 1 is (CH 2 ) i , wherein i is an integer selected from 1 and 2, and L 2 is (CH 2 ) j , wherein j is an integer selected from 0 to 6. 2. The compound of claim 1 , wherein X is O. 3. The compound of claim 1 , wherein X is NH. 4. The compound of claim 1 , wherein R 1 is H. 5. The compound of claim 1 , wherein R 1 is a methyl group. 6. The compound of claim 1 , wherein each R 2 is a C 1 -C 18 alkyl group. 7. The compound of claim 1 , wherein each R 2 is an aryl group. 8. The compound of claim 1 , wherein the R 2 groups are the same. 9. The compound of claim 1 , wherein the R 2 groups are not the same. 10. The compound of claim 1 , wherein i is an integer selected from 1-2. 11. The compound of claim 10 , wherein j is an integer selected from 0-3.
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Inventors
Classifications
Aromatic phosphonium compounds (P-C aromatic linkage) · CPC title
Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title
Arylalkanephosphonium compounds · CPC title
Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title
- C07F9/5407Primary
Acyclic saturated phosphonium compounds · CPC title
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- What does patent US12281132B2 cover?
- The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
- Who is the assignee on this patent?
- Univ Massachusetts
- What technology area does this patent fall under?
- Primary CPC classification C07F9/5407. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Apr 22 2025 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).