US4855077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sticking agent of ionic-conductive polymer
Assignee: Takiron Co Ltd
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Filing: 1988-04-20
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Granted: 1989-08-08
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Expires: 2008-04-20
Abstract
Abstract An ionic conductive polymeric sticking agent comprising: (a) a reaction product of (i) a polyurethanepolyol prepolymer having an alkylene oxide chain and/or a polyol having an alkylene oxide and (ii) a polyurethane polyisocyanate prepolymer having an alkylene oxide chain, and (b) an ionic compound.
Inventors
- 👤 Yasuo Shikinami
- 👤 Kunihiro Hata
- 👤 Yutaka Ohmura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:38
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; C08G18/12; C08G18/28; C08G18/40; C08G18/48; C08K; C08K3/00; C08K3/10; C08K3/16; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C09; C09J; C09J175/00; C09J175/04; C08G2170/00; C08G2170/40; C08L; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
81 words
An ionic conductive polymeric sticking agent comprising: (a) a reaction product of: (i) a polyurethanepolyol prepolymer having an alkylene oxide chain, wherein the molecular weight of the polyurethanepolyol prepolymer is from 1400 to 10.000, a polyol having an alkylene oxide chain, wherein the molecular weight of the polyol is from 150 to 6,000, or mixtures thereof; and (ii) a polyurethane polyisocyanate prepolymer having an alkylene oxide chain, and (b) an ionic compound, wherein the ionic compound is an alkali metal salt.
Claim 2
Dependent Claim
81 words
An ionic conductive polymeric sticking agent comprising: (a) a reaction product of: (i) a polyurethanepolyol prepolymer having an alkylene oxide chain, wherein the molecular weight of the polyurethanepolyol prepolymer is from 1400 to 10.000, a polyol having an alkylene oxide chain, wherein the molecular weight of the polyol is from 150 to 6,000, or mixtures thereof; and (ii) a polyurethane polyisocyanate prepolymer having an alkylene oxide chain, and (b) an ionic compound, wherein the ionic compound is an alkali metal salt.
Claim 3
Dependent Claim
45 words
The sticking agent as claimed in claim 1, wherein the polyurethanepolyol prepolymer is represented by the following formulae (I): ##STR8## wherein R 1 and R 2 each represents an alkyl group, an alicyclic group, or an aromatic group and (AO) represents an alkylene oxide chain.
Claim 4
Dependent Claim
53 words
The sticking agent as claimed in claim 1, wherein the polyol is represented by the following formulae (II) to (IV): ##STR9## wherein (AO) represents an alkylene oxide chain; R 3 represents a hydrogen atom, an alkyl group, an alicyclic group or an aromatic group; and l represents an integer of 1 or 4.
Claim 5
Dependent Claim
52 words
The sticking agent as claimed in claim 1, wherein the polyurethane polyisocyanate prepolymer is represented by the following formulae (V-1) to (VIII): ##STR10## wherein R 4 represents an alkyl group, an alicyclic group or an aromatic group; (AO) represents an alkylene oxide chain, and l represents an integer of 1 or 4.
Claim 6
Dependent Claim
31 words
The sticking agent as claimed in claim 1, wherein the alkylene oxide chain is polymethylene glycol, polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polypentamethylene glycol, polyhexamethylene glycol, polyheptamethylene glycol or copolymers thereof.
Claim 7
Dependent Claim
22 words
The sticking agent as claimed in claim 4, wherein the molecular weight of the polyurethane polyisocyanate prepolymer is from 500 to 10,000.
Claim 8
Dependent Claim
15 words
The sticking agent as claimed in claim 1, wherein the ionic compound is lithium perchlorate.
Claim 9
Dependent Claim
16 words
The sticking agent as claimed in claim 1, wherein the sticking agent further contains a plasticizer.
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) | 1992-08-07 | 1993-02-06 | 1993-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-07 | 1997-02-06 | 1997-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-07 | 2001-02-06 | 2001-08-08 | $7700.00 | Window Closed / Lapsed |