Patent US4680324A successfully refreshed from Google Patents.
US4680324A
Expired / Lapsed
US
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Fire-retardant plastics with glycoside additive
Assignee: Sealed Air Corp
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Filing: 1985-08-23
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Granted: 1987-07-14
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Expires: 2005-08-23
Abstract
Abstract The fire retardant characteristics of a melt producable plastic is enhanced by mixing with the plastic a fire retardant compound and a glycoside.
Inventors
- 👤 Nelson E. Malwitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:44
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1545; C08K5/0008; C08K5/0066; Y; Y10; Y10S; Y10S260/00; Y10S260/24
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
40 words
A plastic composition having fire-retardant properties, said composition comprising a melt producable plastic composition, a fire-retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds, and a glycoside.
Claim 2
Dependent Claim
40 words
A plastic composition having fire-retardant properties, said composition comprising a melt producable plastic composition, a fire-retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds, and a glycoside.
Claim 3
Dependent Claim
13 words
A composition according to claim 1 wherein said glycoside comprises an alkyl glucoside.
Claim 4
Dependent Claim
12 words
A composition according to claim 2 wherein said alkyl glucoside is alpha-methyl-D-glucoside.
Claim 5
Dependent Claim
13 words
A composition according to claim 1 wherein said glycoside comprises an alkyl fructoside.
Claim 6
Dependent Claim
36 words
A composition according to claim 1 wherein said melt producable plastic is a thermoset polymer having thermoplastic properties during the production stage, and can be melted and processed like a thermoplastic before the composition is thermoset.
Claim 7
Dependent Claim
42 words
A thermoplastic composition having fire-retardant properties, comprising: (a) a synthetic thermoplastic polymer; (b) a fire retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphate compounds, chloride compounds and bromine compounds; and (c) an alkyl glucoside.
Claim 8
Dependent Claim
42 words
A thermoplastic composition having fire-retardant properties, comprising: (a) a synthetic thermoplastic polymer; (b) a fire retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphate compounds, chloride compounds and bromine compounds; and (c) an alkyl glucoside.
Claim 9
Dependent Claim
25 words
A composition according to claim 6 wherein the proportion of the fire retardant is from 2 to 30% of the weight of the polymer material.
Claim 10
Dependent Claim
25 words
A composition according to claim 6 wherein the proportion of the alkyl glucoside is from 1 to 40% of the weight of the polymer material.
Claim 11
Dependent Claim
48 words
A thermoplastic composition having improved fire-retardant properties, comprising: (a) polyethylene; (b) a fire-retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphorous compound, chlorine compounds and bromine compounds; and (c) an alpha-alkyl-D-glucoside wherein the alkyl group has from 1 to 20 carbons.
Claim 12
Dependent Claim
48 words
A thermoplastic composition having improved fire-retardant properties, comprising: (a) polyethylene; (b) a fire-retardant compound comprising at least one member selected from the group consisting of antimony compounds, phosphorous compound, chlorine compounds and bromine compounds; and (c) an alpha-alkyl-D-glucoside wherein the alkyl group has from 1 to 20 carbons.
Claim 13
Dependent Claim
12 words
A composition as claimed in claim 9 wherein the alpha-alkyl-D-glucoside is alpha-methyl-D-glucoside.
Claim 14
Dependent Claim
25 words
A composition as claimed in claim 9 wherein the proportion of the alpha-alkyl-D-glucoside is from 5 and 15% of the weight of the polymer material.
Claim 15
Dependent Claim
62 words
Th method of making a fire-retardant melt producable plastic, comprising the steps of: (a) forming a mixture of a plastic, a fire-retardant compound selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds, and a glycoside; (b) melting said mixture so that said glycoside is homogeneously dispersed therein; and (c) allowing said mixture to cool and harden.
Claim 16
Dependent Claim
62 words
Th method of making a fire-retardant melt producable plastic, comprising the steps of: (a) forming a mixture of a plastic, a fire-retardant compound selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds, and a glycoside; (b) melting said mixture so that said glycoside is homogeneously dispersed therein; and (c) allowing said mixture to cool and harden.
Claim 17
Dependent Claim
13 words
The method according to claim 12 wherein said glycoside comprises an alkyl glucoside.
Claim 18
Dependent Claim
12 words
The method according to claim 13 wherein said alkyl glucoside is alpha-methyl-D-glucoside.
Claim 19
Dependent Claim
9 words
A product made by the method of claim 12.
Claim 20
Dependent Claim
31 words
A plastic composition having fire-retardant properties, comprising: a thermoplastic polymer; a fire-retardant compound selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds; and a glycoside.
Claim 21
Dependent Claim
31 words
A plastic composition having fire-retardant properties, comprising: a thermoplastic polymer; a fire-retardant compound selected from the group consisting of antimony compounds, phosphorous compounds, chlorine compounds and bromine compounds; and a glycoside.
Claim 22
Dependent Claim
69 words
A plastic composition having fire-retardant properties, comprising: a melt producable thermosetting plastic which can be melted and processed like a thermoplastic before the composition is thermoset, and which is selected from the group consisting of cross-linkable polyethylenes, thermoplastic polyimide, thermoplastic polyurethane, thermoplastic polyarylate, thermoplastic polybutadiene, and thermopolastic polybutylenes; a fire-retardant compound selected from the class consisting of antimony compounds, phosphate compounds, chlorine compounds, and bromine compounds; and a glycoside.
Claim 23
Dependent Claim
69 words
A plastic composition having fire-retardant properties, comprising: a melt producable thermosetting plastic which can be melted and processed like a thermoplastic before the composition is thermoset, and which is selected from the group consisting of cross-linkable polyethylenes, thermoplastic polyimide, thermoplastic polyurethane, thermoplastic polyarylate, thermoplastic polybutadiene, and thermopolastic polybutylenes; a fire-retardant compound selected from the class consisting of antimony compounds, phosphate compounds, chlorine compounds, and bromine compounds; and a glycoside.
References Cited (Backward Citations)
US2773848A
Cited
US2867590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-13 | 1991-01-12 | 1991-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-13 | 1995-01-12 | 1995-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-13 | 1999-01-12 | 1999-07-14 | $7700.00 | Window Closed / Lapsed |