US4152497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds containing the 2,2,2-trichloroethyl group as flame retardants for polyurethanes
Assignee: Arkema Inc
•
Filing: 1978-03-27
•
Granted: 1979-05-01
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Expires: 1998-03-27
Abstract
Abstract Flame retarded polyurethane foams are prepared from a reaction mixture comprising as the flame retardant additive a compound containing 2,2,2-trichloroethyl group.
Inventors
- 👤 Jeffrey D. Miano
- 👤 Stanley R. Sandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:21
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3855; C08G18/3857; C08G18/3819; C08G18/3823; C08G18/3829; C08G18/3842; C08G18/3848; C08G18/3874
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
116 words
Polyurethane foam prepared from a reaction mixture which comprises a flame retarding amount of a compound having formula (I) or (II): ##STR14## wherein: X is selected from ##STR15## or --SO 2 --; y is an integer of 0 or 1; Z is nothing or oxygen; when y is 0, A is hydrogen and Q is selected from the group consisting of --OH, ##STR16## where X is defined as above; when y is 1, A and Q are --OH; when Z is nothing, R 1 is hydrogen or ##STR17## R 2 is ##STR18## and R 3 is hydrogen; and, when Z is oxygen, R 1 and R 2 are hydrogen and R 3 is --CCl 3 .
Claim 2
Dependent Claim
116 words
Polyurethane foam prepared from a reaction mixture which comprises a flame retarding amount of a compound having formula (I) or (II): ##STR14## wherein: X is selected from ##STR15## or --SO 2 --; y is an integer of 0 or 1; Z is nothing or oxygen; when y is 0, A is hydrogen and Q is selected from the group consisting of --OH, ##STR16## where X is defined as above; when y is 1, A and Q are --OH; when Z is nothing, R 1 is hydrogen or ##STR17## R 2 is ##STR18## and R 3 is hydrogen; and, when Z is oxygen, R 1 and R 2 are hydrogen and R 3 is --CCl 3 .
Claim 3
Dependent Claim
11 words
The polyurethane foam of claim 1 wherein the compound is ##STR19##
Claim 4
Dependent Claim
11 words
The polyurethane foam of claim 1 wherein the compound is ##STR20##
Claim 5
Dependent Claim
11 words
The polyurethane foam of claim 1 wherein the compound is ##STR21##
Claim 6
Dependent Claim
11 words
The polyurethane foam of claim 1 wherein the compound is ##STR22##
Claim 7
Dependent Claim
11 words
The polyurethane foam of claim 1 wherein the compound is ##STR23##
Claim 8
Dependent Claim
13 words
The polyurethane foam of claim 1 wherein the polyurethane foam is high-resiliency foam.
Claim 9
Dependent Claim
14 words
The polyurethane foam of claim 1 wherein the polyurethane foam is hot-cure flexible foam.
Claim 10
Dependent Claim
13 words
The polyurethane foam of claim 1 wherein the polyurethane foam is rigid foam.
Claim 11
Dependent Claim
22 words
The polyurethane foam of claim 1 wherein the compound has formula (I) wherein X is ##STR24## and A and B are --OH.
Claim 12
Dependent Claim
18 words
The polyurethane foam of claim 1 wherein the compound has formula (I) wherein X is --SO 2 --.
Claim 13
Dependent Claim
16 words
The polyurethane foam of claim 1 wherein the compound has formula (II) wherein Z is oxygen.
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Cited
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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) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |