US4163005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halobenzene sulfonate flame retardants
Assignee: Great Lakes Chemical Corp
•
Filing: 1977-08-11
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Granted: 1979-07-31
•
Expires: 1997-08-11
Abstract
Abstract Disclosed are halobenzene sulfonates, and flame resistant polymer compositions containing the sulfonates.
Inventors
- 👤 James A. Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42; C07; C07C; C07C309/00; C07C309/63; C07C309/72; C07C309/73; Y; Y10; Y10S; Y10S521/00; Y10S521/906
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
34 words
A halobenzene sulfonate of the formula ##STR25## wherein X and X' are independently selected halogen, n is an integer of from 1 to 5, and r is an integer of from 1 to 4.
Claim 2
Dependent Claim
34 words
A halobenzene sulfonate of the formula ##STR25## wherein X and X' are independently selected halogen, n is an integer of from 1 to 5, and r is an integer of from 1 to 4.
Claim 3
Dependent Claim
13 words
The halobenzene sulfonate of claim 1 wherein the halogen is chlorine and bromine.
Claim 4
Dependent Claim
15 words
The halobenzene sulfonate of claim 1, wherein said halobenzene sulfonate is tris-(2,2,2-bromomethyl)ethyl-2' ,4' ,5'-trichlorobenzene sulfonate.
Claim 5
Dependent Claim
16 words
The halobenzene sulfonate of claim 1 wherein said halobenzene sulfonate is 1,3-bis-(2' ,4' ,5'-trichlorobenzene sulfonato)-2,2-bis-(bromomethyl) propane.
Claim 6
Dependent Claim
14 words
The halobenzene sulfonate of claim 1 wherein said halobenzene sulfonate is 1,3-bis-(2',5'-dibromobenzene sulfonato)-2,2-bis-(bromomethyl) propane.
Claim 7
Dependent Claim
14 words
The halobenzene sulfonate of claim 1 wherein said halobenzene sulfonate is tris(2,2,2-bromomethyl) ethyl-2',5'-dibromobenzene sulfonate.
Claim 8
Dependent Claim
21 words
A flame retardant plastic polymer composition comprising a polymer and a flame retarding amount of a sulfonate compound of claim 1.
Claim 9
Dependent Claim
12 words
The composition of claim 7 wherein the halogen is chlorine and bromine.
Claim 10
Dependent Claim
19 words
The composition of claim 7 wherein said polymer is selected from the group comprising polyurethane, polystyrene and polyolefin polymers.
Claim 11
Dependent Claim
12 words
The composition of claim 9 wherein said compound is tris-(2,2,2-bromomethyl) ethyl-2',4',5'-trichlorobenzene sulfonate.
Claim 12
Dependent Claim
11 words
The composition of claim 9 wherein said compound is 1,3-bis-(2',4',5'-trichlorobenzene sulfonato)-2,2-bis-(bromomethyl)propane.
Claim 13
Dependent Claim
12 words
The composition of claim 9 wherein said compound is 1,3-bis-(2',5'-dibromobenzene sulfonato)-2,2-bis-(bromomethyl) propane.
Claim 14
Dependent Claim
12 words
The composition of claim 9 wherein said compound is tris-(2,2,2-bromomethyl) ethyl-2',5'-dibromobenzene sulfonate.
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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) | 1982-07-30 | 1983-01-29 | 1983-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-07-30 | 1987-01-29 | 1987-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-07-30 | 1991-01-29 | 1991-07-31 | $7700.00 | Window Closed / Lapsed |