US4247446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-resistant composition, and electrical product thereof
Assignee: Vulkor Inc
•
Filing: 1979-06-01
•
Granted: 1981-01-27
•
Expires: 1999-06-01
Abstract
Abstract Flame-resistant composition comprising a cross-linked polyolefin, decabromodiphenyl ether, silicone gum and dibasic lead phthlate, and electrical conductors insulated therewith.
Inventors
- 👤 Joseph E. Betts
- 👤 Fred F. Holub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:15
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29; H01B7/295; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K3/2279; C08K3/34; C08K3/346; C08K3/36; C08K5/00; C08K5/04; C08K5/06; C08K5/09; C08K5/098; C08K5/14; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C08K5/34924; C08K5/54; C08K5/541; C08K5/5425; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L67/00; C08L83/00; C08L83/04; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C08L2201/00; C08L2201/02; C08L2312/00; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
38 words
A flame-resistant, cross-link cured polyolefin compound essentially comprising 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
38 words
A flame-resistant, cross-link cured polyolefin compound essentially comprising 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
19 words
The product of the polyolefin compound of claim 1 which has been cross-link cured with a peroxide curing agent.
Claim 4
Dependent Claim
35 words
The flame-resistant polylefin compound 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
19 words
The product of the ethylene-containing polymer of claim 3 which has been cross-link cured with a peroxide curing agent.
Claim 6
Dependent Claim
50 words
A flame-resistant, cross-link curable polyolefin compound comprising the following, in the approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 40
Silicone gum 6.25
Dibasic lead phthalate 5
Antimony oxide 14
Fumed silica 5
Antioxidant 1.75
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing
2.5
agent
______________________________________
Claim 7
Dependent Claim
50 words
A flame-resistant, cross-link curable polyolefin compound comprising the following, in the approximate relative parts by weight of: ______________________________________
Polyethylene 100
Decabromodiphenyl ether 40
Silicone gum 6.25
Dibasic lead phthalate 5
Antimony oxide 14
Fumed silica 5
Antioxidant 1.75
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing
2.5
agent
______________________________________
Claim 8
Dependent Claim
30 words
The flame-resistant polyolefin compound of claim 5, 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 9
Dependent Claim
55 words
A flame-resistant, cross-link curable polylefin compound comprising the following, in the 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
Antioxidants 6
Vinyl Silane 1.25
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 10
Dependent Claim
55 words
A flame-resistant, cross-link curable polylefin compound comprising the following, in the 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
Antioxidants 6
Vinyl Silane 1.25
Triallyl cyanurate curing coagent
1
Organic tertiary peroxide curing agent
2.5
______________________________________
Claim 11
Dependent Claim
30 words
The flame-resistant polyolefin compound of claim 7, wherein the antioxidant comprises about 3 parts by weight of thioester bis hindered-phenol and about 3 parts by weight of thio dipropionate polyester.
Claim 12
Dependent Claim
7 words
The cross-link cured composition of claim 5.
Claim 13
Dependent Claim
7 words
The cross-link cured composition of claim 6.
Claim 14
Dependent Claim
7 words
The cross-link cured composition of claim 7.
Claim 15
Dependent Claim
7 words
The cross-link cured composition of claim 8.
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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) | 1984-01-27 | 1984-07-28 | 1985-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-27 | 1988-07-28 | 1989-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-27 | 1992-07-28 | 1993-01-27 | $7700.00 | Window Closed / Lapsed |