Modified polyamide matrices and methods for their preparation
First Claim
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1. A modified insoluble branched condensation polymer matrix comprising, 1) an insoluble branched condensation polymer matrix comprising reactant residues, and 2) a plurality of aryl residues that differ from said reactant residues and that are terminally-linked to the insoluble branched condensation polymer matrix through sulfonamide bonds.
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Abstract
The invention provides novel polymer matrices and methods for preparing polymer matrices.
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Citations
23 Claims
- 1. A modified insoluble branched condensation polymer matrix comprising, 1) an insoluble branched condensation polymer matrix comprising reactant residues, and 2) a plurality of aryl residues that differ from said reactant residues and that are terminally-linked to the insoluble branched condensation polymer matrix through sulfonamide bonds.
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21. A method for preparing a modified insoluble branched condensation polymer matrix comprising, treating an insoluble branched condensation polymer matrix comprising reactant residues and having a plurality of primary or secondary amine groups, with a compound of the formula Ar—
- SO2−
X, wherein each X is a leaving group, each Ar is an aryl group or a heteroaryl group, and the reactant residues are not Ar—
SO2—
, to provide the modified insoluble branched condensation polymer matrix.
- SO2−
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22. A method for preparing a modified insoluble branched condensation polymer matrix comprising treating an insoluble branched polyamide matrix having a plurality of primary or secondary amine groups with a compound of the formula Ar—
- SO2−
X, wherein each X is a leaving group, and each Ar is an aryl group or a heteroaryl group, to provide the modified insoluble branched condensation polymer matrix.
- SO2−
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23. A method for preparing a modified insoluble branched condensation polymer matrix comprising treating an insoluble branched condensation polymer matrix having a plurality of primary or secondary amine groups, with a compound of the formula Ar—
- SO2−
X, wherein each X is a leaving group, and each Ar is
1) a 6-20 carbon monocyclic, bicyclic, or polycyclic ring system in which at least one ring is aromatic, which ring system is optionally be substituted with one or more substituents independently selected from cyano, halo, hydroxy, mercapto, nitro, carboxy, (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, (C1-C20)alkanoyloxy, phenyl, or —
NRaRb, wherein Ra and Rb may be the same or different and are chosen from hydrogen (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy, or wherein Ra and Rb together with the nitrogen to which they are attached form a pyrrolidino, piperidino, morpholino, or thiomorpholino ring;
wherein each (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy is optionally substituted with one or more cyano, halo, hydroxy, mercapto, nitro, carboxy, sulfo, oxo (═
O), thioxo (═
S) or —
NRaRb and wherein one or more carbons of each (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy can optionally be replaced with —
O—
, —
S—
, or —
NRc—
, wherein each Rc is independently hydrogen, (C1-C6)alkyl, (C1-C6)alkoxy, (C1-C6)alkoxycarbonyl, and (C1-C6)alkanoyloxy;
or
2) a 1-20 carbon monocyclic, bicyclic, or polycyclic ring system in which at least one heteroatom (i.e. non-carbon atom) containing ring is aromatic, which ring system can optionally be substituted with one or more substituents independently selected from cyano, halo, hydroxy, mercapto, nitro, carboxy, (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, (C1-C20)alkanoyloxy, or —
NRaRb, wherein Ra and Rb may be the same or different and are chosen from hydrogen (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy, or wherein Ra and Rb together with the nitrogen to which they are attached form a pyrrolidino, piperidino, morpholino, or thiomorpholino ring;
wherein each (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy is optionally substituted with one or more cyano, halo, hydroxy, mercapto, nitro, carboxy, sulfo, oxo (═
O), thioxo (═
S) or —
NRaRb and wherein one or more carbons of each (C1-C20)alkyl, (C1-C20)alkoxy, (C1-C20)alkoxycarbonyl, and (C1-C20)alkanoyloxy can optionally be replaced with —
O—
, —
S—
, or —
NRc—
, wherein each Rc is independently hydrogen, (C1-C6)alkyl, (C1-C6)alkoxy, (C1-C6)alkoxycarbonyl, and (C1-C6)alkanoyloxy;
to provide the modified insoluble branched condensation polymer matrix.
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Specification
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Current AssigneeGE Osmonics, Inc. (General Electric Company)
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Original AssigneeGE Osmonics, Inc. (General Electric Company)
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InventorsKurth, Christopher J., Kloos, Steven D., Hodgins, Leonard T., Iverson, Isaac
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current210/500.270
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CPC Class CodesB01D 61/025 Reverse osmosis; Hyperfiltr...B01D 67/0088 Physical treatment with com...
