US4956441A
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Electroconductive copolymers
Assignee: Vesuvius Holdings Ltd
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Filing: 1988-07-22
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Granted: 1990-09-11
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Expires: 2008-07-22
Abstract
Abstract A copolymer of an aniline monomer of the general formula: ##STR1## where R and R' are certain specified substituents with another aniline monomer of formula I, the copolymer including counterions X therein. These copolymers are electroconductive.
Inventors
- 👤 Poopathy Kathirgamanthan
- 👤 Philip N. Adams
- 👤 Kieran Quill
- 👤 Alan E. Underhill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:44
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/128; C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; C08K; C08K9/00; C08K9/08; C09; C09D; C09D179/00; C09D179/02; H01B1/122; H01B1/127; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
147 words
A copolymer of an aniline monomer of the general formula: ##STR4## where R is in the ortho- or meta- position and is selected from the group consisting of hydrogen, C 1-18 alkyl, C 1-6 alkoxy, amino, chloro, bromo, sulpho, carboxy, hydroxy and the group ##STR5## where R" is selected from the group consisting of alkyl and aryl; and R' is selected from the group consisting of hydrogen, C 1-6 alkyl and aryl; with at least one other aniline monomer of formula I as defined above, the copolymer including counterions X where X is selected from the group consisting of C1 - , Br - , SO 4 = , BF 4 = , PF 6 = , H 2 PO 3 - , H 2 PO 4 - , arylsulphonate, arenedicarboxylate, arenecarboxylate, polystyrene sulphonate, polyacrylate, alkylsulphonate, vinylsulphonate, vinylbenzene sulphonate, cellulose sulphonate, cellulose sulphate and a perfluorinated polyanion.
Claim 2
Dependent Claim
147 words
A copolymer of an aniline monomer of the general formula: ##STR4## where R is in the ortho- or meta- position and is selected from the group consisting of hydrogen, C 1-18 alkyl, C 1-6 alkoxy, amino, chloro, bromo, sulpho, carboxy, hydroxy and the group ##STR5## where R" is selected from the group consisting of alkyl and aryl; and R' is selected from the group consisting of hydrogen, C 1-6 alkyl and aryl; with at least one other aniline monomer of formula I as defined above, the copolymer including counterions X where X is selected from the group consisting of C1 - , Br - , SO 4 = , BF 4 = , PF 6 = , H 2 PO 3 - , H 2 PO 4 - , arylsulphonate, arenedicarboxylate, arenecarboxylate, polystyrene sulphonate, polyacrylate, alkylsulphonate, vinylsulphonate, vinylbenzene sulphonate, cellulose sulphonate, cellulose sulphate and a perfluorinated polyanion.
Claim 3
Dependent Claim
21 words
Copolymer according to in claim 1 which is a copolymer of an aniline monomer of the general formula I with aniline.
Claim 4
Dependent Claim
25 words
Copolymer according to claim 1 which is a copolymer of aniline with a comonomer selected from the group consisting of o-anisidine, m-sulphanilic acid and o-aminophenol.
Claim 5
Dependent Claim
24 words
Copolymer according to claim 1 which is a copolymer of o-toluidine with a comonomer selected from the group consisting of o-ethylaniline, o-phenylenediamine and o-aminophenol.
Claim 6
Dependent Claim
49 words
A polyaniline derivative according to claim 1 for a use selected from an EMI/RF shielding material, an antistatic material, an electrochromic display system material, an ion or pH sensor, a battery electrode material, a protective coating for an electrode or an electrode for the selective deposition of metal ions.
Claim 7
Dependent Claim
90 words
A copolymer of an aniline monomer of the general formula: ##STR6## where R is in the ortho- or meta- position and is selected from the group consisting of hydrogen, C 1-18 alkyl, C 1-6 alkoxy, amino, chloro, bromo, sulpho, carboxy, hydroxy and the group ##STR7## where R" is selected from the group consisting of alkyl and aryl; and R' is selected from the group consisting of hydrogen, C 1-6 alkyl and aryl; with at least one other aniline monomer of formula I as defined above, the copolymer including organosulphonate counterions.
Claim 8
Dependent Claim
90 words
A copolymer of an aniline monomer of the general formula: ##STR6## where R is in the ortho- or meta- position and is selected from the group consisting of hydrogen, C 1-18 alkyl, C 1-6 alkoxy, amino, chloro, bromo, sulpho, carboxy, hydroxy and the group ##STR7## where R" is selected from the group consisting of alkyl and aryl; and R' is selected from the group consisting of hydrogen, C 1-6 alkyl and aryl; with at least one other aniline monomer of formula I as defined above, the copolymer including organosulphonate counterions.
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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) | 1993-09-10 | 1994-03-12 | 1994-09-11 | $2000.00 | Window Closed / Lapsed |
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