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US RE48,165 E1Granted
Alkenyl (perfluoroalkyl) phosphinic acids
AssigneeMerck Patent GmbH
InventorsNikolai (Mykola) Ignatyev, Michael Schulte, Karsten Koppe, Vural Bilir, Walter Frank
Life of this patent
Estimating the term…
Abstract
The invention relates to alkenyl(perfluoroalkyl)phosphinic acids, to the preparation and intermediates thereof, to the use thereof as monomers for the preparation of oligomers and/or polymers, to the corresponding oligomers/polymers, to the corresponding support materials comprising the oligomers/polymers, and to the use thereof as ion exchangers, as catalysts or extraction medium and corresponding salts thereof.
Claims20
A compound of the formula I
- where
- Rf denotes a straight-chain or branched perfluoroalkyl group having 1 to 12 C atoms,
- A denotes H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms,
- B denotes —(CR1R2)n—, [—(CR1R2)m—O—(CR1R2)m1—]m2, arylene or substituted arylene,
- X denotes H, F and/or Cl,
- n denotes an integer from 0 to 20,
- m denotes an integer from 1 to 20,
- m1 denotes an integer from 0 to 8,
- m2 denotes an integer from 1 to 20 and
- R1 or R2 each, independently of one another, denote H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms.
7 more elements
A compound of the formula IIIa,
- where
- Rf denotes a straight-chain or branched perfluoroalkyl group having 1 to 12 C atoms,
- A denotes H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms,
- B denotes —(CR1R2)n—,[—(CR1R2)m—O—(CR1R2m1—]m2,arylene or substituted arylene,
- X denotes H, F and/or Cl,
- n denotes an integer from 0 to 20,
- m denotes an integer from 1 to 20,
- m1 denotes an integer from 0 to 8,
- m2 denotes an integer from 1 to 20 and
- R1 or R2 each, independently of one another, denote H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms.
7 more elements
A salt corresponding to the formula IV,
- where the cation Kt+in formula IV denotes an inorganic or organic cation and where
- Rf denotes a straight-chain or branched perfluoroalkyl group having 1 to 12 C atoms,
- A denotes H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms,
- B denotes —(CR1R2)n—, [—(CR1R2)m—O—(CR1R2)m1—]m2, arylene or substituted arylene,
- X denotes H, F and/or Cl,
- n denotes an integer from 0 to 20,
- m denotes an integer from 1 to 20,
- m1 denotes an integer from 0 to 8,
- m2 denotes an integer from 1 to 20 and
- R1 or R2 each, independently of one another, denote H, F, Cl or a straight-chain or branched alkyl group having 1 to 12 C atoms.
7 more elements
Dependencies are inferred from the claim text.