Patent US5096561A successfully refreshed from Google Patents.
US5096561A
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Thin film ionic conductors, methods and devices
Assignee: Individual
•
Filing: 1990-07-02
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Granted: 1992-03-17
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Expires: 2010-07-02
Abstract
Abstract Thin-film ionic conduction by cross-linking a polymer matrix, such as poly(ethyleneimine), with a halocarbon based diepoxide or divinyl to produce composite compounds with selective ionic conductivity and ion transport properties that can be controlled by the addition of metallic salts or protonic acids.
Inventors
- 👤 Masud Akhtar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:18
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/18; H01M6/181; C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/024; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
39 words
A thin film polymeric electrolyte prepared by a reaction consisting of combining: a. an organic polymeric matrix selected from the class consisting of polyethyleneamines; polyethyleneoxides; polyethylenesulfides; polyacrylamids; polyacrylimids; polyethyleneimines and polyetheramines with b. a compound having a halocarbon backbone.
Claim 2
Dependent Claim
39 words
A thin film polymeric electrolyte prepared by a reaction consisting of combining: a. an organic polymeric matrix selected from the class consisting of polyethyleneamines; polyethyleneoxides; polyethylenesulfides; polyacrylamids; polyacrylimids; polyethyleneimines and polyetheramines with b. a compound having a halocarbon backbone.
Claim 3
Dependent Claim
37 words
A thin film polymeric electrolyte of claim 1 wherein said reaction is speeded by a protonic acid catalyst selected from the class consisting of phosphoric acid, vinyl sulfonic acid, hydrochloric acid, 2-acrylamido-2-methylpropane sulfonic acid, and sulfuric acid.
Claim 4
Dependent Claim
32 words
An electrolyte of claim 1, wherein the organic polymeric matrix includes branched or linear polyethyleneimines of molecular weights in the range from about 400 to 100,000 with a plurality of reaction sites.
Claim 5
Dependent Claim
22 words
An electrolyte of claim 1 wherein the polymeric electrolyte is prepared by reaction with a fluorocarbon backboned diepoxide in a metallic salt.
Claim 6
Dependent Claim
13 words
An electrolyte of claim 4 wherein said metallic salt is a lithium salt.
Claim 7
Dependent Claim
11 words
The electrolyte of claim 4 wherein the metallic salt is lead.
Claim 8
Dependent Claim
47 words
A thin film polymeric electrolyte forming a transparent membrane electrolyte of claim 1 which is obtained by heating branched polyethyleneimine with diepoxides having fluorocarbon backbones; and is stable in air up to temperatures of 300° C. and in acids and alkalies up to temperatures of 100° C.
Claim 9
Dependent Claim
30 words
A thin film polymeric electrolyte of claim 7 which transports protons and anions when in contact with aqueous solutions containing acids or metallic salts, but does not transport metallic cations.
Claim 10
Dependent Claim
26 words
The thin film polymeric electrolyte of claim 8 which acts only as a lithium ion solid state conductor when organolithium compounds are included in its preparation.
Claim 11
Dependent Claim
25 words
The thin film polymeric electrolyte of claim 8 which acts only as an anionic solid state conductor when alkyl halides are included in its preparation.
Claim 12
Dependent Claim
24 words
A thin film polymeric electrolyte of claim 1 which is obtained by heating branched polyethyleneimine with a fluorocarbon backboned diepoxide and a metallic complex.
Claim 13
Dependent Claim
13 words
A thin film polymeric electrolyte of claim 1 which is insoluble in water.
Claim 14
Dependent Claim
20 words
A thin film polymeric electrolyte of claim 1 wherein the said polymeric electrolyte is coated over a nonelectrolytic support substrate.
Claim 15
Dependent Claim
15 words
The electrolyte of claim 1 wherein the polymeric matrix is reacted with an aliphatic fluorocarbon.
Claim 16
Dependent Claim
28 words
A thin film polymeric electrolyte for amorphous proton conduction which is prepared by the reaction of a branched polyethyleneimine with a fluorocarbon-backbone diepoxide in a protonic acid catalyst.
Claim 17
Dependent Claim
28 words
A thin film polymeric electrolyte for amorphous proton conduction which is prepared by the reaction of a branched polyethyleneimine with a fluorocarbon-backbone diepoxide in a protonic acid catalyst.
Claim 18
Dependent Claim
29 words
An electrolyte of claim 15 which is prepared by the reaction of a branched polyethyleneimine of molecular weight about 50,000 with a cyclic or linear phosphonitrillic fluoride or chloride.
References Cited (Backward Citations)
US4767645A
Cited
US4720334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-03-17 | 1995-09-16 | 1996-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-03-17 | 1999-09-16 | 2000-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-03-17 | 2003-09-16 | 2004-03-17 | $7700.00 | Window Closed / Lapsed |