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US4169079A
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Polystyrene based polymers containing cyclodextrin derivatives, metal complexes of the same, and process for the production of the same
Assignee: Individual
•
Filing: 1978-04-24
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Granted: 1979-09-25
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Expires: 1998-04-24
Abstract
Abstract A cyclodextrin derivative-containing a polystyrene based polymer containing units of structure having the formula: ##STR1## (wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms); a metal complex of the polystyrene based polymer; and a process for the production of the polystyrene based polymer or metal complex thereof.
Inventors
- 👤 Iwao Tabushi
- 👤 Nobuaki Shimizu
- 👤 Kazuo Yamamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:00
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0012; C08F; C08F8/00; C08F8/18; C08F8/24; C08F8/30; C08F8/42
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
57 words
A polystyrene base polymer containing cyclodextrin containing units of structure having the formula: ##STR19## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms.
Claim 2
Dependent Claim
57 words
A polystyrene base polymer containing cyclodextrin containing units of structure having the formula: ##STR19## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms.
Claim 3
Dependent Claim
17 words
A polystyrene base polymer according to claim 1, wherein said units of structure have the formula: ##STR20##
Claim 4
Dependent Claim
17 words
A polystyrene base polymer according to claim 1, wherein said units of structure have the formula: ##STR21##
Claim 5
Dependent Claim
36 words
A polystyrene base polymer according to claim 1, wherein said cyclodextrin containing units of structure comprise between 1/10 and 8/10 of the units of structure of said polymer containing benzene rings pendant from said polymer chain.
Claim 6
Dependent Claim
69 words
A metal complex prepared by contacting a polystyrene base polymer containing units of structure having the formula: ##STR22## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms with an aqueous solution of a metal salt.
Claim 7
Dependent Claim
69 words
A metal complex prepared by contacting a polystyrene base polymer containing units of structure having the formula: ##STR22## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms with an aqueous solution of a metal salt.
Claim 8
Dependent Claim
26 words
A metal complex according to claim 5, wherein the metal is selected from the group consisting of copper, zinc, nickel, magnesium, manganese, cobalt, aluminum and iron.
Claim 9
Dependent Claim
30 words
A metal complex according to claim 5, prepared by contacting a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR23## with a copper sulfate aqueous solution.
Claim 10
Dependent Claim
30 words
A metal complex according to claim 5, prepared by contacting a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR24## with a nickel sulfate aqueous solution.
Claim 11
Dependent Claim
30 words
A metal complex according to claim 5, prepared by contacting a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR25## with a zinc sulfate aqueous solution.
Claim 12
Dependent Claim
30 words
A metal complex according to claim 5, prepared by contacting a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR26## with a cobalt sulfate aqueous solution.
Claim 13
Dependent Claim
30 words
A metal complex according to claim 5, prepared by contacting a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR27## with a zinc sulfate aqueous solution.
Claim 14
Dependent Claim
88 words
A process for producing a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR28## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms, which comprises reacting a cyclodextrin derivative having the formula: ##STR29## with a polystyrene base polymer containing units of structure having the formula: ##STR30## wherein X is halogen.
Claim 15
Dependent Claim
88 words
A process for producing a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR28## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms, which comprises reacting a cyclodextrin derivative having the formula: ##STR29## with a polystyrene base polymer containing units of structure having the formula: ##STR30## wherein X is halogen.
Claim 16
Dependent Claim
17 words
A process according to claim 12, wherein the cyclodextrin derivative is 6-deoxy-6-(α-triethylenetetraamino)-β-cyclodextrin represented by the formula: ##STR31##
Claim 17
Dependent Claim
31 words
A process according to claim 12, wherein the ratio of halomethyl substituted benzene rings contained in the polystyrene base polymer is from 1 to 8 per 10 of the benzene rings.
Claim 18
Dependent Claim
95 words
A process for producing a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR32## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms, which comprises reacting a sulfonic acid ester of cyclodextrin represented by the formula: ##STR33## wherein L is an aromatic sulfonyl group, with a polystyrene base polymer containing units of structure having the formula: ##STR34##
Claim 19
Dependent Claim
95 words
A process for producing a cyclodextrin derivative-containing polystyrene base polymer containing units of structure having the formula: ##STR32## wherein m is an integer of 1 to 10; n is 4, 5 or 6; R 1 and R 2 are hydrogen or alkyl groups containing 1 to 3 carbon atoms; and Z is an alkylene group containing 1 to 5 carbon atoms, which comprises reacting a sulfonic acid ester of cyclodextrin represented by the formula: ##STR33## wherein L is an aromatic sulfonyl group, with a polystyrene base polymer containing units of structure having the formula: ##STR34##
Claim 20
Dependent Claim
19 words
A process according to claim 15, wherein said polystyrene base polymer contains p-(α-triethylene-tetraamino)-methylstyrene units represented by the formula: ##STR35##
Claim 21
Dependent Claim
20 words
A process according to claim 15, wherein the aromatic sulfonyl group L of the cyclodextrin derivative is the p-toluene-sulfonyl group.
Claim 22
Dependent Claim
32 words
A process according to claim 15, wherein the ratio of the polyalkylene polyamino substituted benzene rings contained in the polystyrene base polymer is 1 to 8 per 10 of the benzene rings.
Claim 23
Dependent Claim
28 words
A polystyrene base polymer according to claim 4, wherein said cyclodextrin containing units of structure comprise between 2/10 and 5/10 of the units of structure of said polymer.
Claim 24
Dependent Claim
33 words
A polystyrene base polymer according to each of claims 1, 4 or 19, wherein said polystyrene base polymer is polystyrene consisting essentially of pendant benzene rings and said cyclodextrin containing units of structure.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-09-24 | 1983-03-26 | 1983-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-09-24 | 1987-03-26 | 1987-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-09-24 | 1991-03-26 | 1991-09-25 | $7700.00 | Window Closed / Lapsed |