Patent US4054720A successfully refreshed from Google Patents.
US4054720A
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US
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Flame retardant polyester article, method for the production of the same and compositions for retarding the flammability of polyester article
Assignee: Meisei Chemical Works Ltd
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Filing: 1975-05-30
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Granted: 1977-10-18
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Expires: 1995-05-30
Abstract
Abstract A polyester article is treated with an aqueous emulsion of a halogenated phosphoric ester to retard its flammability. The aqueous emulsion is prepared by emulsifying a halogenated phosphoric ester with a nonionic surfactant derived from a phosphoric ester.
Inventors
- 👤 Mikio Tomita
- 👤 Masahito Iimura
- 👤 Atsumi Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:32
CPC Classifications
C; C09; C09K; C09K21/00; C09K21/06; C09K21/12; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/298; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10S516/00; Y10S516/01; Y10S516/905; Y10S516/907; Y10S516/908; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
68 words
A flame retardant composition useful in making stable aqueous emulsions for treatment of polyester consisting essentially of a halogenated phosphoric ester and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier obtained by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol, or an alkyl phenol with a phosphoric esterifying agent.
Claim 2
Dependent Claim
68 words
A flame retardant composition useful in making stable aqueous emulsions for treatment of polyester consisting essentially of a halogenated phosphoric ester and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier obtained by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol, or an alkyl phenol with a phosphoric esterifying agent.
Claim 3
Dependent Claim
35 words
A flame retardant composition as defined in claim 1, in which said halogenated phosphoric ester is a member selected from the group consisting of tris(2,3-dibromopropyl) phosphate, tris (2,3-dichloropropyl) phosphate, tris(2-chloroethyl) phosphate and tris (bromochloropropyl) phosphate.
Claim 4
Dependent Claim
31 words
A flame retardant composition as defined in claim 1, in which said phosphoric esterifying agent is a member selected from the group consisting of phosphorus pentoxide, phosphorus oxychloride and phosphorus trichloride.
Claim 5
Dependent Claim
46 words
A flame retardant composition as defined in claim 1, in which said nonionic surfactant emulsifier is a compound obtained by phosphoric esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms.
Claim 6
Dependent Claim
49 words
A flame retardant composition as defined in claim 4, in which said nonionic surfactant emulsifier is a monophosphoric ester obtained by esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms with phosphorus pentoxide.
Claim 7
Dependent Claim
31 words
A flame retardant composition as defined in claim 1, further including an organic solvent present in an amount of 3 percent to 10 percent by weight of the total aqueous emulsion.
Claim 8
Dependent Claim
24 words
A flame retardant composition as defined in claim 6, in which said organic solvent is selected from the group consisting of perchloroethylene and trichloroethylene.
Claim 9
Dependent Claim
34 words
An aqueous emulsion of the composition of claim 1 wherein said halogenated phosphoric ester is present in an amount of 7 percent to 20 percent by weight of the total amount of said emulsion.
Claim 10
Independent Claim
92 words
A method for the flame retarding treatment of polyester consisting essentially of treating a polyester article with a composition including a halogenated phosphoric ester and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier derived by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol, or an alkyl phenol with a phosphoric esterifying agent, said halogenated phosphoric ester and surfactant emulsifier being admixed with an amount of water sufficient to form a stable aqueous emulsion.
Claim 11
Independent Claim
92 words
A method for the flame retarding treatment of polyester consisting essentially of treating a polyester article with a composition including a halogenated phosphoric ester and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier derived by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol, or an alkyl phenol with a phosphoric esterifying agent, said halogenated phosphoric ester and surfactant emulsifier being admixed with an amount of water sufficient to form a stable aqueous emulsion.
Claim 12
Dependent Claim
43 words
A method for the flame retarding treatment of polyester as defined in claim 9 in which said halogenated phosphoric ester is present in an amount of 7 percent to 20 percent by weight with respect to the total amount of said aqueous emulsion.
Claim 13
Dependent Claim
41 words
A method for the flame retarding treatment of polyester as defined in claim 10, in which said halogenated phosphoric ester is a member selected from the group consisting of tris(2,3-dibromopropyl) phosphate, tris (2,3-dichloropropyl) phosphate, tris (2-chloroethyl) phosphate, and tris (bromochloropropyl) phosphate.
Claim 14
Dependent Claim
36 words
A method for the flame retarding treatment of polyester as defined in claim 10, in which said phosphoric esterifying agent is a member selected from the group consisting of phosphorus pentoxide, phosphorus oxychloride and phosphorus trichloride.
Claim 15
Dependent Claim
51 words
A method for the flame retarding treatment of polyester as defined in claim 12, in which said nonionic surfactant emulsifier is a compound obtained by phosphoric esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms.
Claim 16
Dependent Claim
55 words
A method for the flame retarding treatment of polyester as defined in claim 13, in which said nonionic surfactant emulsifier is a mono phosphoric ester obtained by esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms with phosphorus pentoxide.
Claim 17
Dependent Claim
35 words
A method for the flame retarding treatment of polyester as defined in claim 9, in which said composition further includes 3 percent to 10 percent by weight of the total emulsion of an organic solvent.
Claim 18
Dependent Claim
16 words
A method as claimed in claim 15 wherein said organic solvent is a chlorinated organic solvent.
Claim 19
Dependent Claim
29 words
A method for the flame retarding treatment of polyester as defined in claim 16, in which said organic solvent is selected from the group consisting of perchloroethylene and trichloroethylene.
Claim 20
Dependent Claim
93 words
A flame retardant polyester article obtained by treating a polyester article with a flame retardant composition consisting essentially of an aqueous emulsion of a halogenated phosphoric ester present in said emulsion in an amount by weight thereof at 7 percent to 20 percent by weight; and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier derived from the esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol or an alkyl phenol with a phosphoric esterifying agent.
Claim 21
Dependent Claim
93 words
A flame retardant polyester article obtained by treating a polyester article with a flame retardant composition consisting essentially of an aqueous emulsion of a halogenated phosphoric ester present in said emulsion in an amount by weight thereof at 7 percent to 20 percent by weight; and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier derived from the esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol or an alkyl phenol with a phosphoric esterifying agent.
Claim 22
Dependent Claim
36 words
A flame retardant polyester article as defined in claim 18, in which said halogenated phosphoric ester is a member selected from the group consisting of tris(2,3-dibromopropyl) phosphate, tris (2,3-dichloropropyl) phosphate, tris(2-chloroethyl) phosphate, and tris (bromochloropropyl) phosphate.
Claim 23
Dependent Claim
32 words
A flame retardant polyester article as defined in claim 18, in which said phosphoric esterifying agent is a member selected from the group consisting of phosphorus pentoxide, phosphorus oxychloride and phosphorus trichloride.
Claim 24
Dependent Claim
47 words
A flame retardant polyester article as defined in claim 18, in which said nonionic surfactant emulsifier is a compound obtained by phosphoric esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms.
Claim 25
Dependent Claim
50 words
A flame retardant polyester article as defined in claim 18, in which said nonionic surfactant emulsifier is a monophosphoric ester obtained by esterification of an addition product of 5 to 15 moles of ethylene oxide to a saturated or unsaturated alcohol having 8 to 20 carbon atoms with phosphorus pentoxide.
Claim 26
Dependent Claim
38 words
A flame retardant polyester article as defined in claim 18, wherein said treating composition further includes an organic solvent in an amount by weight of the total amount of said aqueous emulsion of 3 percent to 10 percent.
Claim 27
Dependent Claim
25 words
A flame retardant polyester article as defined in claim 23, in which said organic solvent is selected from the group consisting of perchloroethylene and trichloroethylene.
Claim 28
Independent Claim
82 words
A method of making a flame retardant aqueous emulsion for treating a polyester article consisting essentially of admixing water, 7 percent to 20 percent by weight of the total emulsion of a halogenated phosphoric ester; and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier obtained by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol or an alkyl phenol with a phosphoric esterifying agent.
Claim 29
Independent Claim
82 words
A method of making a flame retardant aqueous emulsion for treating a polyester article consisting essentially of admixing water, 7 percent to 20 percent by weight of the total emulsion of a halogenated phosphoric ester; and 5 percent to 20 percent by weight of said halogenated phosphoric ester of a nonionic surfactant emulsifier obtained by esterification of a polyethylene glycol ether of a higher alcohol, a polypropylene glycol ether of a higher alcohol or an alkyl phenol with a phosphoric esterifying agent.
Claim 30
Dependent Claim
31 words
The method as claimed in claim 25 wherein there is further incorporated in said emulsion from 3 percent to 10 percent of an organic solvent by weight of said total emulsion.
Claim 31
Dependent Claim
15 words
The method as claimed in claim 26 wherein said solvent is a chlorinated organic solvent.
Claim 32
Dependent Claim
16 words
The method as claimed in claim 27 wherein said chlorinated organic solvent is perchloroethylene or trichloroethylene.
Claim 33
Dependent Claim
28 words
A method as claimed in claim 25 wherein said phosphoric esterifying agent is a member selected from the group consisting of phosphorus pentoxide, phosphorus oxychloride and phosphorus trichloride.
Claim 34
Dependent Claim
34 words
A method as claimed in claim 29 wherein said halogenated phosphoric ester is a member selected from the group consisting of tris (2,3-dibromopropyl) phosphate, tris (2,3-dichloropropyl) phosphate, tris (2-chloroethyl) phosphate, and tris (bromochloropropyl) phosphate.
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) | 1980-10-17 | 1981-04-18 | 1981-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-17 | 1985-04-18 | 1985-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-17 | 1989-04-18 | 1989-10-18 | $7700.00 | Window Closed / Lapsed |