Self-reducing anthraquinone compounds
OwnerMark Andrew Horsham, Andrew David Scully +1inventors
InventorsMark Andrew Horsham, Andrew David Scully, James Keith Gerard Murphy
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Abstract
A method of scavenging oxygen in an atmosphere or liquid comprising the steps of: (i) treating an anthraquinone compound according to the formula: (I) wherein X1-X4 and R1-R4 are as defined in the claims, with predetermined conditions so as to reduce the anthraquinone compound to a reduced form oxidizable by oxygen; and ii) exposing the atmosphere or liquid to said compound; such that at least a portion of teh oxygen in teh atmosphere or liquid is removed through oxidation of the reduced form of the anthraquinone compound, and wherein steps i) and ii) may be carried out in either order. 1
Claims27
A method of scavenging oxygen in an atmosphere or liquid comprising the steps of:
- (i) treating an anthraquinone compound according to the following formula:
- Formula (I)
- 12
- wherein;
- X1, X2, X3 and X4 are each independently selected from H, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 hydroxyalkoxy, C1-C20 aminoalkoxy, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, and sulfonate substituents, and
- R1, R2, R3 and R4 are each independently selected from H, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, sulfonate substituents and L-R5 wherein L is selected from O, CH(R6) wherein R6 is H or C1-C6 alkyl, CO2, CO, SO3 or SO2, and R5 is selected from C1-C20 aminoalkyl, C1-C20 morpholinoalkyl, C1-C20 piperazinylalkyl, C1-C20 alkanol and the radicals represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH 13
- wherein n is any integer between 1 and 20, Z1 and Z2 are selected from H, C1-C20 alkyl, C1-C20 alkanol, C1-C20 aminoalkyl and
- 14
- and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, and Z3 is selected from C1-C20 alkanol, C1-C20 aminoalkyl, C1-C20 morpholinoalkyl, C1-C20 piperazinylalkyl, and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, with the proviso that at least one of R1, R2, R3 and R4 is/are L-R5;
- or a salt thereof, or a composition including said anthraquinone one compound or salt thereof, with predetermined conditions so as to reduce the anthraquinone compound or salt thereof to a reduced form oxidizable by oxygen;
- and
- (ii) exposing the atmosphere or liquid to said composition;
- such that at least a portion of the oxygen in the atmosphere or liquid is removed through oxidation of the reduced form of the anthraquinone compound or salt thereof, and wherein steps (i) and (ii) may be carried out in either order.
A reaction product of an anthraquinone compound according to the following formula:
- Formula (I)
- 19
- wherein;
- X1, X2, X3 and X4 are each independently selected from H, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 hydroxyalkoxy, C1-C20 aminoalkoxy, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, and sulfonate substituents, and
- R1, R2, R3 and R4 are each independently selected from H, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, sulfonate substituents and L-R5 wherein L is selected from O, CH(R6) wherein R6 is H or C1-C6 alkyl, CO2, CO, SO3 or SO2, and R5 is selected from C1-C20 aminoalkyl, C1-C20 morpholinoalkyl, C1-C20 piperazinylalkyl, C1-C20 alkanol and the radicals represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH 20
- wherein n is any integer between 1 and 20, Z1 and Z2 are selected from H, C1-C20 alkyl, C1-C20 alkanol, C1-C20 aminoalkyl and
- 21
- and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, and Z3 is selected from C1-C20 alkanol, C1-C20 aminoalkyl, C1-C20 morpholinoalkyl and C1-C20 piperazinylalkyl, and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, with the proviso that at least one of R1, R2, R3 and R4 is/are L-R5;
- or a salt thereof,
- and a compound containing one or more functional groups.
A reaction product of N-(3morpholinopropyl)-2-anthraquinonesulfonamide and poly(ethylene-co-glycidyl methacrylate).
A reaction product of [N-glycidyl-N-(3-morpholinopropyl)]-2-anthraquinonesulfonamide and poly(ethylene-co-acrylic acid).
An anthraquinone compound according to the following formula:
- Formula (I)
- 26
- wherein;
- X1, X2, X3 and X4 are each independently selected from H, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 hydroxyalkoxy, C1-C20 aminoalkoxy, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, and sulfonate substituents, and
- R1, R2, R3 and R4 are each independently selected from H, C1-C20 alkyl, C1-C20 alkoxy, C1-C20 alkanoyl, C1-C20 alkylamido, C1-C20 alkylcarboxy, C1-C20 alkylsulfonyl, C1-C20 alkyl sulfonamido, sulfonate substituents and L-R5 wherein L is selected from O, CH(R6) wherein R6 is H or C1-C6 alkyl, CO2, CO, SO3 or SO2 and R5 is selected from C1-C20 aminoalkyl, C1-C20 morpholinoalkyl, C1-C20 piperazinylalkyl, C1-C20 alkanol and the radicals represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH 27
- wherein n is any integer between 1 and 20, Z1 and Z2 are selected from H, C1-C20 alkyl, C1-C20 alkanol, C1-C20 aminoalkyl, and
- 28
- and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, and Z3 is selected from C1-C20 alkanol, C1-C20 aminoalkyl C1-C20 morpholinoalkyl, C1-C20 piperazinylalkyl and the radical represented by,
- —CH2—CH2[Parenopenst]OCH2CH2[Parenclosest]nOH
- wherein n is any integer between 1 and 20, with the proviso that at least one of R1, R2, R3 and R4 is/are L-R5;
- or a salt thereof, wherein said anthraquinone compound or salt thereof is not 2,6-bis(2-morpholino-ethoxy)-anthraquinone, 2,6-bis[2-(diethylamino)ethoxy]-anthraquinone or N,N′-bis(3-morpholinoethyl)-2,6-anthraquinonedisulfonamide.
Dependencies are inferred from the claim text.