US4626416A
Expired / Lapsed
US
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Insoluble chelating compositions
Assignee: MANSFIELD CATERERS
•
Filing: 1984-06-22
•
Granted: 1986-12-02
•
Expires: 2004-06-22
Abstract
Abstract The present invention relates to insoluble compositions, which are capable of removing metal (e.g. selectively) from solution (e.g. Fe 3+ from a liquid nutrient medium so as to lower the Fe 3+ content to less than 0.1 μM); the insoluble compositions comprise: a suitable insoluble carrier and organic co-ordinating sites covalently fixed to the surface of said carrier, said co-ordinating sites being capable of chelating Fe 3+ , Th 4+ and/or UO 2 2+ .
Inventors
- 👤 Irving W. DeVoe
- 👤 Bruce E. Holbein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:16
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B70/00; A23L; A23L2/00; A23L2/70; A23L2/78; A61; A61L; A61L2/00; A61L2/16; B; B01; B01J; B01J45/00; C; C01; C01F; C01F15/00; C02; C02F; C02F1/00; C02F1/58; C02F1/62; C02F1/64; C12; C12H; C12H1/00; C12H1/02; C12H1/04; C12H1/0416; C12P; C12P9/00; C22; C22B; C22B3/00; C22B3/18; C22B3/20; C22B3/26; C22B3/32; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/911; Y10S210/912
Claims Analysis
Total Claims: 63
Claim 1
Independent Claim
179 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said composition comprising a member selected from the class consisting of (A) an insoluble composition comprising (1) one or more organic chelating compounds, covalently fixed to the surface of (2) a suitable insoluble carrier, said organic chelating compounds possessing one or more coordinating sites, said organic chelating compounds being selected from the class consisting of microbial siderophores and (B) an insoluble composition comprising (1) one or more catechol compounds covalently fixed to the surface of (2) a suitable insoluble carrier, said catechol compounds being covalently fixed to the surface of said carrier at the benzene ring thereof, said catechol compounds being selected from the group consisting of unsubstituted catechol and catechol substituted on the benzene ring by one or two electrophilic substituents.
Claim 2
Independent Claim
179 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said composition comprising a member selected from the class consisting of (A) an insoluble composition comprising (1) one or more organic chelating compounds, covalently fixed to the surface of (2) a suitable insoluble carrier, said organic chelating compounds possessing one or more coordinating sites, said organic chelating compounds being selected from the class consisting of microbial siderophores and (B) an insoluble composition comprising (1) one or more catechol compounds covalently fixed to the surface of (2) a suitable insoluble carrier, said catechol compounds being covalently fixed to the surface of said carrier at the benzene ring thereof, said catechol compounds being selected from the group consisting of unsubstituted catechol and catechol substituted on the benzene ring by one or two electrophilic substituents.
Claim 3
Independent Claim
102 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said insoluble composition comprising (1) one or more organic chelating compounds, covalently fixed to the surface of (2) a suitable insoluble carrier, said organic chelating compounds possessing one or more coordinating sites, said organic chelating compounds being selected from the class consisting of microbial siderophores.
Claim 4
Independent Claim
102 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said insoluble composition comprising (1) one or more organic chelating compounds, covalently fixed to the surface of (2) a suitable insoluble carrier, said organic chelating compounds possessing one or more coordinating sites, said organic chelating compounds being selected from the class consisting of microbial siderophores.
Claim 5
Dependent Claim
19 words
A method as defined in claim 2, wherein said solution has a pH of about 4 to about 6.
Claim 6
Dependent Claim
20 words
A method as defined in claim 3, wherein said microbial siderophores have a molecular weight of less than 2500 daltons.
Claim 7
Dependent Claim
23 words
A method as defined in claim 3, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons.
Claim 8
Dependent Claim
83 words
A method as defined in claim 3, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more members of the class consisting of (a) a N-substituted hydroxamate group of formula ##STR53## (b) a phenolate group of formula ##STR54## X being an atom of O or N--, and (c) a catecholate group of formula ##STR55## X' being an atom of O or N-- and m being 1.
Claim 9
Dependent Claim
40 words
A method as defined in claim 3, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more N-substituted hydroxamate groups of formula ##STR56##
Claim 10
Dependent Claim
39 words
A method as defined in claim 3, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more catecholate groups of formula ##STR57##
Claim 11
Dependent Claim
20 words
A method as defined in claim 2, wherein said orgaic chelating compounds are selected from the class consisting of desferrioxamines.
Claim 12
Dependent Claim
23 words
A method as defined in claim 2, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 13
Dependent Claim
23 words
A method as defined in claim 3, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 14
Dependent Claim
32 words
A method as defined in claim 3, wherein said chelating agent and said organic acid are selected from the group consisting of citric acid, iso-citric acid, cis aconitic acid and oxalosuccinic acid.
Claim 15
Dependent Claim
20 words
A method as defined in claim 10, wherein said microbial siderophores have a molecular weight of less than 2500 daltons.
Claim 16
Dependent Claim
23 words
A method as defined in claim 10, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons.
Claim 17
Dependent Claim
83 words
A method as defined in claim 10, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said co-ordinating sites are provided by one or more members of the class consisting of (a) a N-substituted hydroxamate group of formula ##STR58## (b) a phenolate group of formula ##STR59## X being an atom of O or N--, and (c) a catecholate group of formula ##STR60## X' being an atom of O or N-- and m being 1.
Claim 18
Dependent Claim
40 words
A method as defined in claim 10, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more N-substituted hydroxamate groups of formula ##STR61##
Claim 19
Dependent Claim
39 words
A method as defined in claim 10, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more catecholate groups of formula ##STR62##
Claim 20
Dependent Claim
20 words
A method as defined in claim 10, wherein said organic chelating compounds are selected from the class consisting of desferrioxamines.
Claim 21
Independent Claim
120 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said insoluble composition comprising (1) one or more catechol compounds covalently fixed to the surface of (2) a suitable insoluble carrier, said catechol compounds being covalently fixed to the surface of said carrier at the benzene ring thereof, said catechol compounds being selected from the group consisting of unsubstituted catechol and catechol substituted on the benzene ring by one or two electrophilic substituents.
Claim 22
Independent Claim
120 words
A method for treating an insoluble composition loaded with Th 4+ and UO 2 2+ to separate Th 4+ therefrom characterized in that said composition is contacted with an aqueous solution containing a suitable Th 4+ chelating agent and an organic acid, said organic acid being a carboxylic acid, said solution having a pH greater than 2, said insoluble composition comprising (1) one or more catechol compounds covalently fixed to the surface of (2) a suitable insoluble carrier, said catechol compounds being covalently fixed to the surface of said carrier at the benzene ring thereof, said catechol compounds being selected from the group consisting of unsubstituted catechol and catechol substituted on the benzene ring by one or two electrophilic substituents.
Claim 23
Dependent Claim
19 words
A method as defined in claim 19, wherein said solution has a pH of about 4 to about 6.
Claim 24
Dependent Claim
23 words
A method as defined in claim 19, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 25
Dependent Claim
30 words
A method as defined in claim 19, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two electrophilic substituents.
Claim 26
Dependent Claim
19 words
A method as defined in claim 22, wherein said solution has a pH of about 4 to about 6.
Claim 27
Dependent Claim
23 words
A method as defined in claim 22, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 28
Dependent Claim
23 words
A method as defined in claim 23, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 29
Dependent Claim
32 words
A method as defined in claim 23, wherein said chelating agent and said organic acid are selected from the group consisting of citric acid, isocitric acid, cis aconitic acid and oxalosuccinic acid.
Claim 30
Dependent Claim
23 words
A method as defined in claim 26, wherein said chelating agent is a tricarboxylic acid and said organic acid is a tricarboxylic acid.
Claim 31
Dependent Claim
32 words
A method as defined in claim 20, wherein said chelating agent and said organic acid are selected from the group consisting of citric acid, iso-citric acid, cis aconitic acid and oxalosuccinic acid.
Claim 32
Dependent Claim
15 words
A method as defined in claim 20, wherein the catechol compound used is unsubstituted catechol.
Claim 33
Dependent Claim
42 words
A method as defined in claim 21, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two substituents selected from the class consisting of halogen atoms, NO and NO 2 .
Claim 34
Dependent Claim
30 words
A method as defined in claim 20, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms.
Claim 35
Dependent Claim
35 words
A method as defined in claim 20, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms selected from chlorine and bromine.
Claim 36
Dependent Claim
34 words
A method as defined in claim 20, wherein said catechol compounds are selected from the group consisting of catechol monosubstituted on the benzene ring by a substituent selected from NO and NO 2 .
Claim 37
Dependent Claim
15 words
A method as defined in claim 21, wherein the catechol compound used is unsubstituted catechol.
Claim 38
Dependent Claim
42 words
A method as defined in claim 21, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two substituents selected from the class consisting of halogen atoms, NO and NO 2 .
Claim 39
Dependent Claim
30 words
A method as defined in claim 21, wherein said catechol compounds are selected from the group consisting of catechol substituted on a benzene ring by one or two halogen atoms.
Claim 40
Dependent Claim
35 words
A method as defined in claim 21, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms selected from chlorine and bromine.
Claim 41
Dependent Claim
34 words
A method as defined in claim 21, wherein said catechol compounds are selected from the group consisting of catechol monosubstituted on the benzene ring by a substituent selected from NO and NO 2 .
Claim 42
Dependent Claim
20 words
A method as defined in claim 11, wherein said microbial siderophores have a molecular weight of less than 2500 daltons.
Claim 43
Dependent Claim
20 words
A method as defined in claim 12, wherein said microbial siderophores have a molecular weight of less than 2500 daltons.
Claim 44
Dependent Claim
23 words
A method as defined in claim 11, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons.
Claim 45
Dependent Claim
23 words
A method as defined in claim 12, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons.
Claim 46
Dependent Claim
83 words
A method as defined in claim 11, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said co-ordinating sites are provided by one or more members of the class consisting of (a) a N-substituted hydroxamate group of formula ##STR63## (b) a phenolate group of formula ##STR64## X being an atom of O or N--, and (c) a catecholate group of formula ##STR65## X' being an atom of O or N-- and m being 1.
Claim 47
Dependent Claim
83 words
A method as defined in claim 12, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said co-ordinating sites are provided by one or more members of the class consisting of (a) a N-substituted hydroxamate group of formula ##STR66## (b) a phenolate group of formula ##STR67## X being an atom of O or N--, and (c) a catecholate group of formula ##STR68## X' being an atom of O or N-- and m being 1.
Claim 48
Dependent Claim
40 words
A method as defined in claim 11, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more N-substituted hydroxamate groups of formula ##STR69##
Claim 49
Dependent Claim
40 words
A method as defined in claim 12, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more N-substituted hydroxamate groups of formula ##STR70##
Claim 50
Dependent Claim
39 words
A method as defined in claim 11, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more catecholate groups of formula ##STR71##
Claim 51
Dependent Claim
39 words
A method as defined in claim 12, wherein said microbial siderophores have a molecular weight in the range of 500 to 2500 daltons and wherein said coordinating sites are provided by one or more catecholate groups of formula ##STR72##
Claim 52
Dependent Claim
20 words
A method as defined in claim 11 wherein said organic chelating compounds are selected from the class consisting of desferrioxamines.
Claim 53
Dependent Claim
20 words
A method as defined in claim 12, wherein said organic chelating compounds are selected from the class consisting of desferrioxamines.
Claim 54
Dependent Claim
15 words
A method as defined in claim 27, wherein the catechol compound used is unsubstituted catechol.
Claim 55
Dependent Claim
15 words
A method as defined in claim 28, wherein the catechol compound used is unsubstituted catechol.
Claim 56
Dependent Claim
42 words
A method as defined in claim 27, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two substitutents selected from the class consisting of halogen atoms, NO and NO 2 .
Claim 57
Dependent Claim
42 words
A method as defined in claim 28, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two substituents selected from the class consisting of halogen atoms, NO and NO 2 .
Claim 58
Dependent Claim
30 words
A method as defined in claim 27, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms.
Claim 59
Dependent Claim
30 words
A method as defined in claim 28, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms.
Claim 60
Dependent Claim
35 words
A method as defined in claim 27, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by onr or two halogen atoms selected from chlorine and bromine.
Claim 61
Dependent Claim
35 words
A method as defined in claim 28, wherein said catechol compounds are selected from the group consisting of catechol substituted on the benzene ring by one or two halogen atoms selected from chlorine and bromine.
Claim 62
Dependent Claim
34 words
A method as defined in claim 27, wherein said catechol compounds are selected from the group consisting of catechol monosubstituted on the benzene ring by a substituent selected from NO and NO 2 .
Claim 63
Dependent Claim
34 words
A method as defined in claim 28, wherein said catechol compounds are selected from the group consisting of catechol monosubstituted on the benzene ring by a substituent selected from NO and NO 2 .
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
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