Patent US4602640A successfully refreshed from Google Patents.
US4602640A
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Biomedical electrode
Assignee: Nitto Denko Corp
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Filing: 1985-08-01
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Granted: 1986-07-29
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Expires: 2005-08-01
Abstract
Abstract A biomedical electrode comprising an electrode plate and an electroconductive material prepared by polymerizing unsaturated monomer containing a phosphoric or phosphorous group.
Inventors
- 👤 Shintaro Wada
- 👤 Hisanori Takahashi
- 👤 Yoichi Nomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:40
CPC Classifications
A; A61; A61N; A61N1/00; A61N1/02; A61N1/04; A61N1/0404; A61N1/0472; A61N1/0492; A61N1/0496; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
22 words
A biomedical electrode comprising an electrode plate and an electroconductive material prepared by polymerizing unsaturated monomer containing a phosphoric or phosphorous group.
Claim 2
Dependent Claim
22 words
A biomedical electrode comprising an electrode plate and an electroconductive material prepared by polymerizing unsaturated monomer containing a phosphoric or phosphorous group.
Claim 3
Dependent Claim
41 words
A biomedical electrode as in claim 1, wherein said electroconductive material is a copolymer of at least 3 wt % of the phosphoric or phosphorous group-containing unsaturated monomer and up to 97 wt % of an alkyl ester of (meth)acrylic acid.
Claim 4
Dependent Claim
24 words
A biomedical electrode as in claim 2, wherein said alkyl ester of (meth)acrylic acid has an alkyl group of 4 to 12 carbon atoms.
Claim 5
Dependent Claim
49 words
A biomedical electrode as in claim 1, wherein said electroconductive material is a mixture of the copolymer of at least 3 wt % of the phosphoric or phosphorous group-containing unsaturated monomer and up to 97 wt % of the alkyl ester of (meth)acrylic acid, and an alcohol and/or water.
Claim 6
Dependent Claim
22 words
A biomedical electrode as in claim 1, wherein said phosphoric or phosphorous group-containing unsaturated monomer is phosphoric or phosphorous group-containing (meth)acrylic monomers.
Claim 7
Dependent Claim
21 words
A biomedical electrode as in claim 1, wherein said phosphoric or phosphorous group-containing unsaturated monomers is neutralized with a basic compound.
Claim 8
Dependent Claim
32 words
A biomedical electrode as in claim 6, wherein said basic compound is one or more than two member selected from the group consisting of alkali metal hydroxide, alkaline earth metal hydroxide, amines.
Claim 9
Dependent Claim
13 words
A biomedical electrode as in claim 7, wherein said amine is an alkanolamine.
Claim 10
Dependent Claim
12 words
A biomedical electrode as in claim 8, wherein said alkanolamine is triethanolamine.
Claim 11
Dependent Claim
16 words
A biomedical electrode as in claim 2, wherein said copolymer is neutralized with a basic compound.
Claim 12
Dependent Claim
32 words
A biomedical electrode as in claim 10, wherein said basic compound is one or more than two member selected from the group consisting of alkali metal hydroxide, alkaline earth metal hydroxide, amines.
Claim 13
Dependent Claim
13 words
A biomedical electrode as in claim 11, wherein said amine is an alkanolamine.
Claim 14
Dependent Claim
12 words
A biomedical electrode as in claim 12, wherein said alkanolamine is triethanolamine.
References Cited (Backward Citations)
US4524087A
Cited
US4293636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-07-28 | 1990-01-27 | 1990-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-07-28 | 1994-01-27 | 1994-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-07-28 | 1998-01-27 | 1998-07-29 | $7700.00 | Window Closed / Lapsed |