US4490525A
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Polysaccharides containing phthalocyanine nucleus
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1982-07-01
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Granted: 1984-12-25
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Expires: 2002-07-01
Abstract
Abstract Metal-containing or metal-free phthalocyanine-polysaccharide complex defined below is used for removal of mutagens and carcinogens present in aqueous solutions, the said complex having formula of ##STR1## wherein Pc is a metal-containing or metal-free phthalocyanine residue, A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings, the integers m and n satisfy both 2<m+n≦4 and 1≦n≦2, and Z is an activated polysaccharide residue.
Inventors
- 👤 Hikoya Hayatsu
- 👤 Yasuo Tezuka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:38
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/543; G01N33/544; G01N33/548; C; C07; C07F; C07F1/00; C07F1/005; C07F19/00; C07F19/005; C08; C08B; C08B31/00; C08B37/00; C08B37/0006; C08B37/0036; C08B37/0039
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
79 words
A phthalocyanine-polysaccharide complex represented by the formula, when it is shown as a free acid, ##STR4## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<m+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin.
Claim 2
Dependent Claim
79 words
A phthalocyanine-polysaccharide complex represented by the formula, when it is shown as a free acid, ##STR4## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<m+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin.
Claim 3
Dependent Claim
39 words
A phthalocyanine-polysaccharide complex according to claim 1, which has the formula, when it is shown in the free acid, ##STR5## wherein CuPc is copper phthalocyanine residue and Z, m and n are the same as defined in claim 1.
Claim 4
Dependent Claim
106 words
A process for preparing a phthalocyanine-polysaccharide complex formula, when it is shown in the free acid, ##STR6## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<M+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin which comprises coupling activated polysaccharide with a water-soluble compound, as the ligand, represented by the general formula, when it is shown as the free acid, ##STR7##
Claim 5
Dependent Claim
106 words
A process for preparing a phthalocyanine-polysaccharide complex formula, when it is shown in the free acid, ##STR6## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<M+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin which comprises coupling activated polysaccharide with a water-soluble compound, as the ligand, represented by the general formula, when it is shown as the free acid, ##STR7##
Claim 6
Independent Claim
97 words
A method for removal of mutagens from aqueous solution, comprising adsorbing the mutagen in aqueous solution by using a phthalocyanine-polysaccharide complex represented by the formula, when it is shown as the free acid, ##STR8## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<m+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin.
Claim 7
Independent Claim
97 words
A method for removal of mutagens from aqueous solution, comprising adsorbing the mutagen in aqueous solution by using a phthalocyanine-polysaccharide complex represented by the formula, when it is shown as the free acid, ##STR8## wherein Pc is a copper, iron, nickel, cobalt or aluminum containing or metal-free phthalocyanine residue; A is an alkylene group having 2 to 6 carbon atoms or an arylene group having 1 to 3 rings; m and n are integers satisfying both the 2<m+n≦4 and 1≦n≦2 equations; and Z is an activated polysaccharide residue selected from the group consisting of agarose and dextrin.
Claim 8
Dependent Claim
17 words
A phthalocyanine-polysaccharide complex according to claim 1 wherein the activated polysaccharide residue is a residue of agarose.
Claim 9
Dependent Claim
17 words
A phthalocyanine-polysaccharide complex according to claim 2 wherein the activated polysaccharide residue is a residue of agarose.
Claim 10
Dependent Claim
16 words
A method according to claim 4 wherein the activated polysaccharide residue is a residue of agarose.
Claim 11
Dependent Claim
17 words
A phthalocyanine-polysaccharide complex according to claim 1 wherein the activation had been carried out with cyanogen bromide.
Claim 12
Dependent Claim
17 words
A phthalocyanene-polysaccharide complex according to claim 2 wherein the activation had been carried out with cyanogen bromide.
Claim 13
Dependent Claim
16 words
A process according to claim 3 wherein the activation had been carried out with cyanogen chloride.
Claim 14
Dependent Claim
16 words
A method according to claim 4 wherein the activation had been carried out with cyanogen bromide.
Claim 15
Dependent Claim
14 words
A method according to claim 4 including the additional step of eluting the mutagen.
Claim 16
Dependent Claim
16 words
A method according to claim 12 wherein the activation had been carried out with cyanogen bromide.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-25 | 1988-06-25 | 1988-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-25 | 1992-06-25 | 1992-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-25 | 1996-06-25 | 1996-12-25 | $7700.00 | Window Closed / Lapsed |