US4243579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant alkylene-alkyl acrylate copolymer composition
Assignee: Union Carbide Corp
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Filing: 1978-09-21
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Granted: 1981-01-06
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Expires: 1998-09-21
Abstract
Abstract A flame retardant alkylene-alkyl acrylate copolymer composition comprising alkylene-alkyl acrylate copolymer, a halogenated flame retardant additive, and at least one of calcium or magnesium oxide, carbonate, hydroxide, or sulfate.
Inventors
- 👤 Michael J. Keogh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:26
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/02
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
55 words
A flame retardant alkylene-alkyl acrylate copolymer composition comprising alkylene-alkyl acrylate copolymer, from about 1 to 30 weight percent of halogenated flame retardant additive and from about 0.5 to 20 weight percent of at least one of calcium or magnesium oxide, carbonate, hydroxide or sulfate; said weight percents based on the total weight of the composition.
Claim 2
Dependent Claim
55 words
A flame retardant alkylene-alkyl acrylate copolymer composition comprising alkylene-alkyl acrylate copolymer, from about 1 to 30 weight percent of halogenated flame retardant additive and from about 0.5 to 20 weight percent of at least one of calcium or magnesium oxide, carbonate, hydroxide or sulfate; said weight percents based on the total weight of the composition.
Claim 3
Dependent Claim
15 words
A composition as in claim 1 wherein the alkylene-alkyl acrylate copolymer is ethylene-ethyl acrylate copolymer.
Claim 4
Dependent Claim
24 words
A composition as in claim 2 wherein the ethylene-ethyl acrylate copolymer contains from about 3 percent to about 40 percent by weight ethyl acrylate.
Claim 5
Dependent Claim
10 words
A composition as in claim 3 which contains calcium carbonate.
Claim 6
Dependent Claim
10 words
A composition as in claim 3 which contains calcium oxide.
Claim 7
Dependent Claim
10 words
A composition as in claim 3 which contains calcium hydroxide.
Claim 8
Dependent Claim
10 words
A composition as in claim 3 which contains calcium sulfate.
Claim 9
Dependent Claim
10 words
A composition as in claim 3 which contains magnesium oxide.
Claim 10
Dependent Claim
10 words
A composition as in claim 3 which contains magnesium hydroxide.
Claim 11
Dependent Claim
10 words
A composition as in claim 3 which contains magnesium carbonate.
Claim 12
Dependent Claim
28 words
A composition as in claim 1 which contains from about 5 to 20 weight percent of halogenated flame retardant additive, based on the total weight of the composition.
Claim 13
Dependent Claim
32 words
A composition as in claim 1 which contains from about 2.5 to 12 weight percent of calcium or magnesium oxide, carbonate, hydroxide or sulfate, based on the total weight of the composition.
Claim 14
Dependent Claim
29 words
A composition as in claim 1 wherein the calcium or magnesium oxide, carbonate, hydroxide or sulfate is coated with a metallic salt of a fatty acid or an organosilane.
Claim 15
Dependent Claim
10 words
A composition as in claim 1 which contains a filler.
Claim 16
Dependent Claim
12 words
A composition as in claim 14 in which the filler is talc.
Claim 17
Dependent Claim
25 words
A composition as in claim 15 wherein the talc is coated with at least one metallic salt of a fatty acid having 8-20 carbon atoms.
Claim 18
Dependent Claim
10 words
A composition as in claim 1 which contains carbon black.
Claim 19
Dependent Claim
13 words
A composition as in claim 1 wherein the alkylene-alkyl acrylate copolymer is curable.
Claim 20
Dependent Claim
61 words
A flame retardant masterbatch, suitable for use as a flame retardant for polymeric material compatible with alkylene-alkyl acrylate copolymer, said masterbatch comprising 100 weight parts of alkylene-alkyl acrylate copolymer, from about 20 to 100 weight parts of halogenated flame retardant additive, and from about 20 to 100 weight parts of at least one calcium or magnesium oxide, carbonate, hydroxide or sulfate.
Claim 21
Dependent Claim
61 words
A flame retardant masterbatch, suitable for use as a flame retardant for polymeric material compatible with alkylene-alkyl acrylate copolymer, said masterbatch comprising 100 weight parts of alkylene-alkyl acrylate copolymer, from about 20 to 100 weight parts of halogenated flame retardant additive, and from about 20 to 100 weight parts of at least one calcium or magnesium oxide, carbonate, hydroxide or sulfate.
Claim 22
Dependent Claim
61 words
A electrical wire or cable insulated with a curable flame retardant composition comprising alkylene-alkyl acrylate copolymer, from about 1 to 30 weight precent of halogenated flame retardant additive and from about 0.5 to 20 weight percent of at least one of a calcium or magnesium oxide, carbonate, hydroxide or sulfate, said weight percents based on the total weight of the composition.
Claim 23
Dependent Claim
61 words
A electrical wire or cable insulated with a curable flame retardant composition comprising alkylene-alkyl acrylate copolymer, from about 1 to 30 weight precent of halogenated flame retardant additive and from about 0.5 to 20 weight percent of at least one of a calcium or magnesium oxide, carbonate, hydroxide or sulfate, said weight percents based on the total weight of the composition.
Claim 24
Dependent Claim
13 words
A composition as in claim 1 further comprising crosslinking-effective amount of organic peroxide.
Claim 25
Dependent Claim
13 words
A composition as in claim 1 further comprising crosslinking-effective amount of organic hydroperoxide.
Claim 26
Dependent Claim
38 words
A process for insulating a wire or cable comprising extruding the composition of claims 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 or 18 onto a wire or cable.
Claim 27
Dependent Claim
20 words
A process for insulating a wire or cable comprising extruding the composition of claim 21 onto a wire or cable.
Claim 28
Dependent Claim
20 words
A process for insulating a wire or cable comprising extruding the composition of claim 22 onto a wire or cable.
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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) | 1984-01-06 | 1984-07-07 | 1985-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-06 | 1988-07-07 | 1989-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-06 | 1992-07-07 | 1993-01-06 | $7700.00 | Window Closed / Lapsed |