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US 6,441,089 B1Granted
Water-soluble polymers and compositions thereof
AssigneeThe Regents of the University of California
InventorsBarbara F. Smith, Thomas W. Robison, Joel W. Gohdes
Life of this patent
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Abstract
Water-soluble polymers including functionalization from the group of amino groups, carboxylic acid groups, phosphonic acid groups, phosphonic ester groups, acylpyrazolone groups, hydroxamic acid groups, aza crown ether groups, oxy crown ethers groups, guanidinium groups, amide groups, ester groups, aminodicarboxylic groups, permethylated polvinylpyridine groups, permethylated amine groups, mercaptosuccinic acid groups, alkyl thiol groups, and N-alkylthiourea groups are disclosed.
Claims11
A water soluble polymer of the formula
- wherein X1, X2, and X3 in each unit of the polymer is a group independently selected from a substituent selected from H, C(O)CH2CH(SH)COOH,
- —(CH2)mYZp
- where m is an integer from 0 to 4, Y is selected from C═O, P═O, C═S, SO2, C(O)CH2C(O), and S, Z is selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, dimethylpyrazolone, methylphenylpyrazolone, dimethylpyrazol-thione, methylphenylpyrazol-thione, oxycrown ethers, azacrown ethers, thiocrown ethers, and H, p is an integer from 1 to 2, and n is an integer between about 12 and 12,000;
- where m is an integer from 0 to 6, Y is selected from C═O, P═O, and C═S, R1 and R2 are selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, and H, p is an integer from 1 to 2, and n is an integer between about 12 and 12,000;
- wherein X4 and X5 in each unit of the polymer is a group independently selected from a substituent selected from H, C(O)CH2CH(SH)COOH,
- —(CH2)mYZp
- where q is an integer from 0 to 4, m is an integer from 0 to 4, Y is selected from C═O, P═O, C═S, SO2, C(O)CH2C(O), and S, Z is selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, dimethylpyrazolone, methylphenylpyrazolone, dimethylpyrazol-thione, methylphenylpyrazol-thione, oxycrown ethers, azacrown ethers, thiocrown ethers, and H, p is an integer from 1 to 2, and n is an integer between about 24 and 24,000;
- wherein X6 in each unit of the polymer is a group independently selected from a substituent selected from C(O)CH2CH(SH)COOH,
- —(CH2)mYZp
- where m is an integer from 0 to 4, Y is selected from C═O, P═O, C═S, SO2, C(O)CH2C(O), and S;
- Z is selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, dimethylpyrazolone, methylphenylpyrazolone, dimethylpyrazol-thione, methylphenylpyrazol-thione, oxycrown ethers, azacrown ethers, thiocrown ethers, and H, p is an integer from 1 to 2, and n is an integer between about 24 and 24,000;
- —(CHX7—CH2)n—(CH2—CX8X9)m— (iv)
- wherein X7, X8, and X9 in each unit of the polymer is a group independently selected from a substituent selected from C(O)CH2CH(SH)COOH,
- —(CH2)mYZp
- where m is an integer from 0 to 4, Y is selected from C═O, P═O, C═S, SO2, C(O)CH2C(O), and S, Z is selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, dimethylpyrazolone, methylphenylpyrazolone, dimethylpyrazol-thione, methylphenylpyrazol-thione, oxycrown ethers, azacrown ethers, thiocrown ethers, and H, p is an integer from 1 to 2, and n is an integer between about 12 and 12,000;
- or
- wherein X10 and X11 in each unit of the polymer are a thiolactum or are a group independently selected from a substituent selected from C(O)CH2CH(SH)COOH, and
- —(CH2)mYZp
- where m is an integer from 0 to 4, Y is selected from C═O, P═O, C═S, SO2, C(O)CH2C(O), and S;
- Z is selected from an amine, alkylamine, arylamine, hydroxyl, oxyalkyl, oxyaryl, hydroxylamine, alkylhydroxylamine, arylhydroxylamine, thiol, alkylthiol, alkyl, aryl, dimethylpyrazolone, methylphenylpyrazolone, dimethylpyrazol-thione, methylphenylpyrazol-thione, oxycrown ethers, azacrown ethers, thiocrown ethers, and H, p is an integer from 1 to 2, and n is an integer between about 24 and 24,000, said water-soluble polymer having a molecular weight of greater than about 10,000 and further characterized as essentially free of molecular weights less than about 10,000.
17 more elements
Dependencies are inferred from the claim text.