Patent US3676389A successfully refreshed from Google Patents.
US3676389A
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US
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Flame proofing compositions
Assignee: Polaris Chemical Corp
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Filing: 1970-06-12
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Granted: 1972-07-11
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Expires: 1990-06-12
Abstract
Abstract Aqueous flame-proofing compositions are disclosed which contain a foaming agent; a mixture of urea or thiourea and a polyhalo (Br, Cl) propanol ester of phosphoric, phosphoramidic or phosphorodiamidic acid, phosphoramide, its base-addition salts or mixtures thereof; a water-soluble amine-aldehyde resin, and an acid-generating catalyst.
Inventors
- 👤 Robert C Putnam
- 👤 Jeffrey W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:19
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/58; D06M11/66; D06M11/07; D06M11/11; D06M11/13; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/433
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
22 words
The composition of claim 1 wherein said foaming agent is a 1:1 parts by weight mixture of ammonium bromide and diammonium phosphate.
Claim 2
Dependent Claim
25 words
The composition of claim 1 wherein said foaming agent is a 1: 2:1 parts by weight mixture of ammonium bromide, diammonium phosphate and ammonium sulfamate.
Claim 3
Dependent Claim
25 words
The composition of claim 1 wherein said urea-ester mixture is a 1:2 parts by weight mixture of urea and phosphoric acid, bis-(2,3-dibromopropyl) ester, monoammonium salt.
Claim 4
Dependent Claim
25 words
The composition of claim 1 wherein said urea-ester mixture is a 1:2 parts by weight mixture of urea and phosphoric acid, 2,3-dibromopropyl ester, mOnoammonium salt.
Claim 5
Dependent Claim
25 words
The composition of claim 1 wherein said urea-ester mixture is a 1:2 parts by weight mixture of urea and phosphoric acid, 2,3-dibromopropyl ester, diammonium salt.
Claim 6
Dependent Claim
30 words
The composition of claim 1 wherein said urea-ester mixture is a 1:1:1 parts by weight mixture of urea, phosphoric bis-(2,3-dibromopropyl) ester, monoammonium salt and phosphoric acid, 2,3-dibromopropyl ester, monoammonium salt.
Claim 7
Dependent Claim
14 words
The composition of claim 1 wherein said amine-aldehyde water-soluble resin is a melamine-formaldehyde resin.
Claim 8
Dependent Claim
11 words
The composition of claim 1 wherein said catalyst is 2-methyl-2-aminopropanol hydrochloride.
Claim 9
Dependent Claim
11 words
The composition of claim 1 wherein said catalyst is zinc chloride.
Claim 10
Dependent Claim
73 words
An aqueous composition as claimed in claim 1 which comprises: a. about 3.5 percent by weight of a 1:1 parts by weight mixture of ammonium bromide and diammonium phosphate; b. about 3 percent by weight of a 1:2 parts by weight mixture of urea and phosphoric acid, bis-(2,3-dibromopropyl) ester, monoammonium salt; c. about 1 percent by weight of a melamine-formaldehyde water soluble resin; and d. about 0.3 percent by weight of 2-methyl-2-aminopropanol hydrochloride.
Claim 11
Dependent Claim
74 words
An aqueous composition as claimed in claim 1 which comprises: a. about 4.0 percent by weight of a 1:2:1 parts by weight mixture of ammonium bromide, diammonium phosphate and ammonium sulfamate; b. about 3 percent by weight of a 1:2 parts by weight mixture of urea and phosphoric acid, bis-(2,3-dibromopropyl) ester, monoammonium salt; c. about 1 percent by weight of a melamine-formaldehyde water-soluble resin; and d. about 0.3 percent by weight of 2-methyl-2-aminopropanol hydrochloride.
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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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |