Patent US3914503A successfully refreshed from Google Patents.
US3914503A
Expired / Lapsed
US
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Flame retarded carpet underlay
Assignee: Monsanto Co
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Filing: 1974-11-18
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Granted: 1975-10-21
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Expires: 1994-11-18
Abstract
Abstract A carpet underlay comprising (A) a laminate of foamed polyurethane and polyolefin, (B) a metal salt of a carboxylic acid, and (C) a beta-haloethyl phosphate.
Inventors
- 👤 Jasper H Brown
- 👤 John A Cooper
- 👤 Albert W Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:24
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/065; B32B27/32; C; C08; C08J; C08J9/00; C08J9/0014; C08K; C08K3/00; C08K3/02; C08K3/08; C08K5/00; C08K5/04; C08K5/09; C08K5/49; C08K5/51; C08K5/52; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2471/00; B32B2471/02; C08J2375/00; C08J2375/04; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249954; Y10T428/31504; Y10T428/31551; Y10T428/31609
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
40 words
A FLAME RETARDED CARPET UNDERLAY COMPOSITON COMPRISING A LAMINATE OF A FOAMED POLYURETANE AND A POLYOLEFIN FILM, SAID FOAMEDPOLYURETHANE CONTAINING A SALT OF A CARBOXYLIC ACID AND A METAL SELECTED FROM ZINC, ANTIMONY, TIN AND COPPER AND A BETA-HALOETHYL PHOSPHATE.
Claim 2
Dependent Claim
40 words
A FLAME RETARDED CARPET UNDERLAY COMPOSITON COMPRISING A LAMINATE OF A FOAMED POLYURETANE AND A POLYOLEFIN FILM, SAID FOAMEDPOLYURETHANE CONTAINING A SALT OF A CARBOXYLIC ACID AND A METAL SELECTED FROM ZINC, ANTIMONY, TIN AND COPPER AND A BETA-HALOETHYL PHOSPHATE.
Claim 3
Dependent Claim
9 words
Composition of claim 1 wherein said metal is zinc.
Claim 4
Dependent Claim
9 words
Composition of claim 1 wherein said metal is antimony.
Claim 5
Dependent Claim
9 words
Composition of claim 1 wherein said metal is tin.
Claim 6
Dependent Claim
9 words
Composition of claim 1 wherein said metal is copper.
Claim 7
Dependent Claim
15 words
Composition of claim 1 wherein said acid contains from 1 to about 18 carbon atoms.
Claim 8
Dependent Claim
11 words
Composition of claim 1 wherein said phosphate is a beta-bromoethyl phosphate.
Claim 9
Dependent Claim
11 words
Composition of claim 1 wherein said phosphate is a beta-chloroethyl phosphate.
Claim 10
Dependent Claim
9 words
Composition of claim 1 which contains a non-halogenated phosphate.
Claim 11
Dependent Claim
11 words
Composition of claim 9 wherein said phosphate is isodecyl diphenyl phosphate.
Claim 12
Dependent Claim
26 words
Composition of claim 1 wherein said acid salt is selected from zinc octoate, zinc oleate and zinc stearate and said phosphate is 2,2-bis(chloromethyl) trimethylene bis(di(2-chloroethyl) phosphate).
Claim 13
Dependent Claim
30 words
Composition of claim 1 wherein the total concentration of said salt and said phosphate in said polyurethane is from about 2 to about 25 parts per 100 parts of polyurethane.
Claim 14
Dependent Claim
26 words
Composition of claim 12 wherein the concentration of said salt in said polyurethane is from about 0.1 to about 1.5 parts per 100 parts of polyurethane.
Claim 15
Dependent Claim
26 words
Composition of claim 12 wherein the concentration of said phosphate in said polyurethane is from about 4 to about 20 parts per 100 parts of polyurethane.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |