Patent US4083789A successfully refreshed from Google Patents.
US4083789A
Expired / Lapsed
US
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Composition containing halogenated polyphosphates
Assignee: Monsanto Co
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Filing: 1975-12-22
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Granted: 1978-04-11
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Expires: 1995-12-22
Abstract
Abstract A smoke and flame reducing composition, for polymers, comprising Dawsonite, an oxide, hydroxide or salt of lithium, sodium, potassium, magnesium, barium, zironium, manganese or iron, a metal salt of a lower aliphatic acid, and mixtures thereof with at least one halogenated phosphorus acid, is disclosed.
Inventors
- 👤 Albert W. Morgan
- 👤 Thomas C. Mathis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:33
CPC Classifications
C; C09; C09K; C09K21/00; C09K21/02; C09K21/04; C08; C08K; C08K13/00; C08K13/02; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
74 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated polyphosphate selected from the group consisting of 2,2-bis(chloromethyl)-1,3-propylenebis[bis(2-chloroethyl)phosphate], 2,2-bis(bromoethyl)-1,3-propylenebis(2-bromoethyl-2-chloroethyl) phosphate and 2,2-bis(chloromethyl)-1,3-propylenebis[bis(2,3-dichloropropyl)phosphate].
Claim 2
Dependent Claim
74 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated polyphosphate selected from the group consisting of 2,2-bis(chloromethyl)-1,3-propylenebis[bis(2-chloroethyl)phosphate], 2,2-bis(bromoethyl)-1,3-propylenebis(2-bromoethyl-2-chloroethyl) phosphate and 2,2-bis(chloromethyl)-1,3-propylenebis[bis(2,3-dichloropropyl)phosphate].
Claim 3
Dependent Claim
73 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated phosphonate having the formula ##STR1## wherein n is at least 1.
Claim 4
Dependent Claim
73 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated phosphonate having the formula ##STR1## wherein n is at least 1.
Claim 5
Dependent Claim
8 words
Composition of claim 2 wherein n is 1.
Claim 6
Dependent Claim
73 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, mganesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated polyphosphonate-phosphite having the formula ##STR2## wherein n is 1 to 4.
Claim 7
Dependent Claim
73 words
A composition comprising (A) at least one reactive modifier selected from the group consisting of (a) Dawsonite, (b) oxide, hydroxide or salt of a metal selected from the group consisting of lithium, sodium, potassium, mganesium, barium, zirconium, manganese and iron, (c) a metal salt of a lower aliphatic acid, and (d) mixtures of (a) - (c) and (B) at least one halogenated polyphosphonate-phosphite having the formula ##STR2## wherein n is 1 to 4.
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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) | 1981-04-10 | 1981-10-10 | 1982-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-10 | 1985-10-10 | 1986-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-10 | 1989-10-10 | 1990-04-11 | $7700.00 | Window Closed / Lapsed |