US4587140A
Expired / Lapsed
US
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Method for embedding electrical and electronic circuitry
Assignee: Deutsche Bank AG New York Branch
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Filing: 1984-09-27
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Granted: 1986-05-06
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Expires: 2004-09-27
Abstract
Abstract A method of protecting electrical or electronic circuitry by embedding said circuitry in a low molecular weight ethylene-alpha-olefin copolymer composition.
Inventors
- 👤 Constance A. Johnson
- 👤 Aspet V. Merijanian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:46
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/12; H05; H05K; H05K3/00; H05K3/22; H05K3/28; H05K3/285; C; C08; C08K; C08K5/00; C08K5/04; C08K5/14; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
43 words
A method for embedding circuitry comprising: (a) applying to said circuitry a pourable composition comprising (i) an ethylene-alpha-olefin copolymer having a molecular weight of from about 500 to about 20,000; and (ii) a curative; and (b) exposing the resultant structure to curing conditions.
Claim 2
Independent Claim
43 words
A method for embedding circuitry comprising: (a) applying to said circuitry a pourable composition comprising (i) an ethylene-alpha-olefin copolymer having a molecular weight of from about 500 to about 20,000; and (ii) a curative; and (b) exposing the resultant structure to curing conditions.
Claim 3
Dependent Claim
12 words
The method of claim 1 wherein said copolymer is ethylene-propylene-non-conjugated diene terpolymer.
Claim 4
Dependent Claim
14 words
The method of claim 2 wherein said curative is an organic peroxide or hydroperoxide.
Claim 5
Dependent Claim
16 words
The method of claim 1 wherein said composition comprises, in addition, a coagent for said curative.
Claim 6
Dependent Claim
20 words
The method of claim 2 wherein said non-conjugated diene is selected from the group consisting of 1,4-hexadiene, dicyclopentadiene, and 5-ethylidene-2-norbornene.
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) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |