Patent US4113902A successfully refreshed from Google Patents.
US4113902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardants for natural and synthetic materials
Assignee: White Chemical Corp
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Filing: 1976-12-17
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Granted: 1978-09-12
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Expires: 1996-12-17
Abstract
Abstract A process for rendering natural materials, synthetic materials and blend of same, flame retardant which entails treating said materials with an aqueous dispersion of a brominated aliphatic compound, said brominated compound being a solid at room temperature, substantially insoluble in water and having been reduced to a fine particle size, together in the same bath with an emulsion of a suitable adhesive polymeric binder, followed by drying and baking.
Inventors
- 👤 Vladimir Mischutin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:54
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; C; C09; C09K; C09K21/00; C09K21/06; C09K21/08; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
126 words
A method of rendering textile materials flame retardant, which comprises wetting said materials with an aqueous dispersion of a brominated aliphatic compound selected from the group consisting of ##STR3## VII. A polymer obtained by reacting Compound I with phosphorus trichloride (POCl 3 ) in the presence of an acid acceptor; Viii. a polymer obtained by reacting Compound I with phosgene ##STR4## in the presence of an acid acceptor; and IX. A polymer obtained by reacting Compound I with cyanuric chloride in the presence of an acid acceptor; said brominated aliphatic compound being solid at room temperature, substantially insoluble in water and having an average particle size of two microns or less in diameter, together in the same bath with a suitable adhesive polymeric binder, and drying.
Claim 2
Independent Claim
126 words
A method of rendering textile materials flame retardant, which comprises wetting said materials with an aqueous dispersion of a brominated aliphatic compound selected from the group consisting of ##STR3## VII. A polymer obtained by reacting Compound I with phosphorus trichloride (POCl 3 ) in the presence of an acid acceptor; Viii. a polymer obtained by reacting Compound I with phosgene ##STR4## in the presence of an acid acceptor; and IX. A polymer obtained by reacting Compound I with cyanuric chloride in the presence of an acid acceptor; said brominated aliphatic compound being solid at room temperature, substantially insoluble in water and having an average particle size of two microns or less in diameter, together in the same bath with a suitable adhesive polymeric binder, and drying.
Claim 3
Dependent Claim
25 words
The method in accordance with claim 1 wherein in addition to the material which is flame retarded the adhesive polymeric binder itself is flame retarded.
Claim 4
Dependent Claim
53 words
A method in accordance with claim 1 wherein the polymeric adhesive binder is an emulsion of a homo or copolymer of any one of the following monomers or pair thereof: Acrylic Acid Methacrylic Acid Acrylonitrile Acrylamide N-methylolacrylamide Esters of Acrylic and Methacrylic Acids Vinyl Chloride Vinylidene Chloride Vinyl Bromide Vinyl Esters Styrene Butadiene
Claim 5
Dependent Claim
19 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is 2,2-(bromomethyl) 1,3-propanediol of the formula: ##STR5##
Claim 6
Dependent Claim
21 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is 2,2-bis (bromomethyl) 3-bromo 1-propanol of the formula: ##STR6##
Claim 7
Dependent Claim
21 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is tris (tribromo neopentyl) phosphate of the formula: ##STR7##
Claim 8
Dependent Claim
21 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is bis (tribromo neopentyl) carbonate of the formula: ##STR8##
Claim 9
Dependent Claim
21 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is tris [2,4,6-(2,2-bis(bromomethyl) 3-bromopropyloxy)] 1,3,5-triazine of the formula: ##STR9##
Claim 10
Dependent Claim
20 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is tris [2,4,6-(2,3-dibromopropyloxy)] 1,3,5-triazine of the formula: ##STR10##
Claim 11
Dependent Claim
35 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is a polymer obtained by reaction of 2,2-(bromometyl) 1,3-propanediol of the formula: ##STR11## with phosphorus trichloride in the presence of an acid acceptor.
Claim 12
Dependent Claim
34 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is a polymer obtained by reaction of 2,2-(bromomethyl) 1,3-propanediol of the formula: ##STR12## with phosgene in the presence of an acid acceptor.
Claim 13
Dependent Claim
35 words
A method as claimed in claim 1, wherein said brominated aliphatic compound is a polymer obtained by reaction of 2,2-(bromomethyl) 1,3-propanediol of the formula: ##STR13## with cyanuric chloride in the presence of an acid acceptor.
References Cited (Backward Citations)
US3324205A
Cited
US3877974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |