Patent US4533710A successfully refreshed from Google Patents.
US4533710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,2-Alkanediol diacrylate monomers and polymers thereof useful as capacitor dielectrics
Assignee: Spectrum Control Inc
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Filing: 1983-12-19
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Granted: 1985-08-06
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Expires: 2003-12-19
Abstract
Abstract Compositions comprising 1,2-alkanediol diacrylate monomers may be polymerized to form polymers useful as dielectrics for capacitors. Said dielectrics are characterized by low dissipation factor and low capacitance change over a wide range of temperatures.
Inventors
- 👤 Daniel R. Olson
- 👤 Timothy W. O'Donnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:27
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/14; H01G4/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
2 words
1,2-Hexadecanediol diacrylate.
Claim 2
Dependent Claim
2 words
1,2-Hexadecanediol diacrylate.
Claim 3
Dependent Claim
9 words
An addition polymer of the diacrylate of claim 1.
Claim 4
Dependent Claim
28 words
A polymer according to claim 2 which is a homopolymer or a copolymer with at least one of acrylates of higher monohydroxy alcohols, higher monoepoxides, polyols and polyepoxides.
Claim 5
Dependent Claim
10 words
A polymer according to claim 3 which is a homopolymer.
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) | 1988-08-05 | 1989-02-04 | 1989-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-05 | 1993-02-04 | 1993-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-05 | 1997-02-04 | 1997-08-06 | $7700.00 | Window Closed / Lapsed |