Patent US4123586A successfully refreshed from Google Patents.
US4123586A
Expired / Lapsed
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Flame-resistant composition, and electrical product thereof
Assignee: Vulkor Inc
•
Filing: 1977-07-18
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Granted: 1978-10-31
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Expires: 1997-07-18
Abstract
Abstract Flame-resistant composition comprising a cross-linked polyolefin, decabromodiphenyl ether, silicone gum and dibasic lead phthalate, and electrical conductors insulated therewith.
Inventors
- 👤 Joseph E. Betts
- 👤 Fred F. Holub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:28
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2962; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
59 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in the approximate relative parts by weight of: ______________________________________
Polyolefin 100
Decabromodiphenyl ether 15 - 50
Silicone gum 3 - 10
Organic lead salt 3 - 10
Antimony oxide 5 - 25
Fumed silica 3 - 10
______________________________________
Claim 2
Dependent Claim
59 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in the approximate relative parts by weight of: ______________________________________
Polyolefin 100
Decabromodiphenyl ether 15 - 50
Silicone gum 3 - 10
Organic lead salt 3 - 10
Antimony oxide 5 - 25
Fumed silica 3 - 10
______________________________________
Claim 3
Dependent Claim
17 words
The electrical conductor of claim 1, wherein the polyolefin is cross-link cured with a peroxide curing agent.
Claim 4
Dependent Claim
34 words
The electrical conductor of claim 1, wherein the polyolefin comprises at least one ethylene-containing polymer selected from the group consisting of polyethylene, copolymers of ethylene and other polymerizable materials, and blends of such polymers.
Claim 5
Dependent Claim
61 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 40
Silicone gum 6.25
Dibasic lead phthlate 5
Antimony oxide 14
Fumed silica 5
Antioxidant 1.75
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 6
Dependent Claim
61 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 40
Silicone gum 6.25
Dibasic lead phthlate 5
Antimony oxide 14
Fumed silica 5
Antioxidant 1.75
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 7
Dependent Claim
28 words
The electrical conductor of claim 4, wherein the antioxidant comprises about 1.5 parts by weight of polymerized trimethyl dihydroquinoline and about 0.25 parts by weight of 4,4'-thiobis-(6 tert-butyl-m-cresol).
Claim 8
Dependent Claim
66 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 25
Silicone gum 5
Dibasic lead phthlate 5
Antimony oxide 10
Fumed silica 5
Clay 15
Antioxidant 6
Vinyl silane 1.25
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 9
Dependent Claim
66 words
An electrical conductor comprising a metallic conductive element having a flame-resistant, cross-link cured polyolefin insulation thereabout consisting essentially of the following, in approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 25
Silicone gum 5
Dibasic lead phthlate 5
Antimony oxide 10
Fumed silica 5
Clay 15
Antioxidant 6
Vinyl silane 1.25
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 10
Dependent Claim
31 words
The electrical conductor of claim 6, wherein the antioxidant comprises about 3 parts by weight of thioester bis hindered - phemol and about 3 parts by weight of thio dipropionate polyester.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |