3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers

US9951207B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9951207-B2
Application numberUS-201515119317-A
CountryUS
Kind codeB2
Filing dateFeb 13, 2015
Priority dateFeb 17, 2014
Publication dateApr 24, 2018
Grant dateApr 24, 2018

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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 invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound, a process for manufacturing the compound and intermediates involved therein.

First claim

Opening claim text (preview).

The invention claimed is: 1. A composition, comprising: a) an organic material susceptible to oxidative, thermal or light-induced degradation, and b) a compound of formula I-P, I-O or I-M: wherein: Y P , Y O and Y M are oxygen or represent a covalent bond; when Y P , Y O and Y M are oxygen, R 1P represents one of the subformulae II-P, II-O or II-M: R 1O represents one of the subformulae II-O or II-M, R 1M represents the subformulae II-M, or R 1P together with R 2P , R 1O together with R 2O and R 1M together with R 2M represent one of the subformulae III, IV or V:  or R 1P , R 1O and R 1M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, halogen or one phenyl, C 1 -C 18 -alkyl, C 3 -C 16 -cycloalkyl, C 7 -C 13 -aralkyl, C 2 -C 18 -alkenyl, C 2 -C 30 -alkyl, which is interrupted by one or more oxygen atoms, or C 2 -C 16 -alkyl, which is interrupted by one sulfur atom, R 2P represents one of the subformulae II-P, II-O or II-M, R 2O represents one of the subformulae II-O or II-M, R 2M represents the subformulae II-M, or R 2P together with R 1P , R 2O together with R 1O and R 2M together with R 1M represent one of the subformulae III, IV or V, or R 2P , R 2O and R 2M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, halogen or one phenyl, C 1 -C 18 -alkyl, C 3 -C 16 -cycloalkyl, C 7 -C 13 -aralkyl, C 2 -C 18 -alkenyl, C 2 -C 30 -alkyl, which is interrupted by one or more oxygen atoms, or C 2 -C 16 -alkyl, which is interrupted by one sulfur atom; when Y P , Y O and Y M represent a covalent bond, R 1P represents one of the subformulae II-P, II-O or II-M, R 1O represents one of the subformulae II-O or II-M, R 1M represents the subformulae II-M, or R 1P , R 1O and R 1M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, halogen or one phenyl, C 1 -C 18 -alkyl, C 3 -C 16 -cycloalkyl, C 7 -C 13 -aralkyl, C 2 -C 18 -alkenyl, C 2 -C 30 -alkyl, which is interrupted by one or more oxygen atoms, or C 2 -C 16 -alkyl, which is interrupted by one sulfur atom, R 2P , R 2O and R 2M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy, halogen or one phenyl, or halogen; R 4 , R 5 , R 6 and R 7 are independently from each other hydrogen or C 1 -C 8 -alkyl, R P2 , R P3 , R P5 and R P6 are independently from each other hydrogen or C 1 -C 8 -alkyl, R O1 , R O2 , R O5 and R O6 are independently from each other hydrogen or C 1 -C 8 -alkyl, R M1 , R M3 , R M5 and R M6 are independently from each other hydrogen or C 1 -C 8 -alkyl, R a1 , R a2 , R a3 and R a4 are independently from each other hydrogen or C 1 -C 8 -alkyl, R b1 , R b2 , R b3 , R b4 , R b5 and R b6 are independently from each other hydrogen or C 1 -C 8 -alkyl, and R c1 , R c2 , R c3 and R c4 are independently from each other hydrogen or C 1 -C 8 -alkyl. 2. The composition according to claim 1 , wherein the organic material is a polymer, an oligohydroxy compound, a wax, a fat or a mineral oil. 3. The composition according to claim 2 , wherein the organic material is a polymer, which is a polyolefin or a copolymer thereof, a polystyrene or a copolymer thereof, a polyurethane or a copolymer thereof, or a polyether. 4. The composition according to claim 1 , wherein: R 4 and R 6 are hydrogen, R 5 and R 7 are independently from each other hydrogen or C 1 -C 8 -alkyl, R P2 and R P6 are independently from each other hydrogen or C 1 -alkyl, R P3 and R P5 are independently from each other hydrogen or C 1 -C 4 -alkyl, R O1 and R O6 are independently from each other hydrogen or C 1 -C 8 -alkyl, R O2 is hydrogen or C 1 -alkyl, R O5 is hydrogen or C 1 -C 4 -alkyl, R M1 is hydrogen or C 1 -alkyl, R M3 and R M5 are independently from each other hydrogen or C 1 -C 4 -alkyl, R M6 is hydrogen or C 1 -C 8 -alkyl, R a1 , R a2 , R a3 and R a4 are independently from each other hydrogen or C 1 -C 4 -alkyl, R b1 , R b2 , R b3 , R b4 , R b5 and R b6 are independently from each other hydrogen or C 1 -C 4 -alkyl, and R c1 , R c2 , R c3 and R c4 are independently from each other hydrogen or C 1 -C 4 -alkyl. 5. The composition according to claim 1 , wherein: Y P , Y O and Y M are oxygen or represent a covalent bond; when Y P , Y O and Y M are oxygen, R 1P represents one of the subformulae II-P, II-O or II-M, R 1O represents one of the subformulae II-O or II-M, R 1M represents the subformulae II-M, or R 1P together with R 2P , R 1O together with R 2O and R 1M together with R 2M represent one of the subformulae III, IV or V, or R 1P , R 1O and R 1M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 18 -alkyl or C 3 -C 16 -cycloalkyl, and R 2P represents one of the subformulae II-P, II-O or II-M, R 2O represents one of the subformulae II-O or II-M, R 2M represents the subformulae II-M, or R 2P together with R 1P , R 2O together with R 1O and R 2M together with R 1M represent one of the subformulae III, IV or V, or R 2P , R 2O and R 2M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 18 -alkyl or C 3 -C 16 -cycloalkyl; when Y P , Y O and Y M represent a covalent bond, R 1P represents one of the subformulae II-P, II-O or II-M, R 1O represents one of the subformulae II-O or II-M, R 1M represents the subformulae II-M, or R 1P , R 1O and R 1M are C 6 -C 12 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, C 1 -C 18 -alkyl or C 3 -C 16 -cycloalkyl, and R 2P , R 2O and R 2M are C 6 -C 10 -aryl, which is unsubstituted or substituted by C 1 -C 8 -alkyl, or fluoro. 6. The composition according to claim 1 , wherein: the compound of component b) is a compound of formula I-P or I-O; Y P and Y O are oxygen or represent a covalent bond; when Y P and Y O are oxygen, R 1P , R 2P , R 1O or R 2O does not represent the subformulae II-M; and when Y P and Y O represent a covalent bond, R 1P or R 1O does not represent the subformulae II-M. 7. The composition according to claim 1 , wherein: the compound of component b) is a compound of formula I-P or I-O; Y P and Y O are oxygen, R 1P together with R 2P and R 1O together with R 2O represent one of the subformulae III, IV or V, R 2P together with R 1P and R 2O together with R 1O represent one of the subformulae III, IV or V, R 4 , R 5 , R 6 and R 7 are independently from each other hydrogen or C 1 -C 8 -alkyl, R a1 , R a2 , R a3 and R a4 are independently from each other hydrogen or C 1 -C 8 -alkyl, R b1 , R b2 , R b3 , R b4 , R b5 and R b6 are independently from each other hydrogen or C 1 -C 8 -alkyl, and R c1 , R c2 , R c3 and R c4 are independently from each other hydrogen or C 1 -C 8 -alkyl. 8. The composition according to claim 1 , wherein component b) is present in the composition in an amount of 0.0005% to 10% based on the weight of component a). 9. The composition according to claim 1 , which comprises, as component c), a first further additive. 10.

Assignees

Inventors

Classifications

  • Oxygen-containing compounds {(C08K5/0091 takes precedence)} · CPC title

  • Metal salts of carboxylic acids · CPC title

  • C08K5/523Primary

    with hydroxyaryl compounds · CPC title

  • Phosphinous compounds, e.g. R2=P—OR' · CPC title

  • Five-membered rings · CPC title

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What does patent US9951207B2 cover?
The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition compri…
Who is the assignee on this patent?
Basf Se
What technology area does this patent fall under?
Primary CPC classification C08K5/523. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Apr 24 2018 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).