US3865757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing resinous foams
Assignee: Resitron Corp
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Filing: 1973-03-26
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Granted: 1975-02-11
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Expires: 1993-03-26
Abstract
Abstract Self-extinguishing resinous foams containing phosphorus comprise the polymerization product of a reaction mixture containing a furan compound, an isocyanate compound and a phosphoruscontaining inorganic acid or complex thereof. The reaction mixture can further contain an alcohol, an amine, a surfactant and/or a supplementary blowing agent.
Inventors
- 👤 Robert C Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:45
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/54; C08G18/30; C08G18/38; C08G18/3878; C08G18/3882; C08G18/64; C08G18/67; C08G18/671; C08G18/674; C09; C09K; C09K21/00; C09K21/14; Y; Y10; Y10S; Y10S521/00; Y10S521/903
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
170 words
A SELF EXTINGUISHING RESINOUS FOAM CONTAINING AT LEAST ABOUT 1.5% BY WEIGHT OF PHOSPHORUS AND CONSISTING ESSENTIALLY OF THE POLYMERIZATION PRODUCT OF A REACTION MIXTURE CONTAINING (A) A FURAN COMPOUND SELECTED FROM THE GROUP CONSISTING OF FURFURYL ALCOHOL AND FURFURYL ALCOHOL RESINS, (B) FROM ABOUT 12 TO ABOUT 125 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FURAN COMPOUND OF AN ISOCYANATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIISOCYANATE, PHENYLENE DIISOCYANATE, TOLYLENE DIISOCYANATE (TDI), 4,4''DIPHENYLMETHANE DIISOCYANATE (MDI), XYLYLENE DIISOCYANATE, NAPHTHALENE DIISOCYANATES, TRIPHENYLMETHANE TRIISOCYANATE, POLYMETHYL POLYPHENYL POLYISOCYANATES OBTAINED BY PHOSGENATION OF ANILINE-FORMALDEHYDE AND (C) FROM ABOUT 15 TO ABOUT 40 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FURAN COMPOUND OF A PHOSPHOROUS-CONTAINING INORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ORTHOPHOSPHORIC ACID, METAPHOSPHORIC ACID, PYROPHOSPHORIC ACID, POLYPHOSPHORIC ACIDS, ORTHOPHOSPHOROUS ACID, HYPOPHOSPHOROUS ACID AND COMPLEXES THEREOF WITH AN ALCOHOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF A POLY(OXYPROPYLENE) ADDUCT OF TRIMETHYLOLPROPANE, A PROPYLENE OXIDE ADDUCT OF PENTAERYTHRITOL, SORBITOL N,N-BIS(2-HYDROXYETHYL)AMINE METHYL PHOSPHONATE, SORBITOL AND PROPYLENE GLYCOL.
Claim 2
Dependent Claim
170 words
A SELF EXTINGUISHING RESINOUS FOAM CONTAINING AT LEAST ABOUT 1.5% BY WEIGHT OF PHOSPHORUS AND CONSISTING ESSENTIALLY OF THE POLYMERIZATION PRODUCT OF A REACTION MIXTURE CONTAINING (A) A FURAN COMPOUND SELECTED FROM THE GROUP CONSISTING OF FURFURYL ALCOHOL AND FURFURYL ALCOHOL RESINS, (B) FROM ABOUT 12 TO ABOUT 125 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FURAN COMPOUND OF AN ISOCYANATE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HEXAMETHYLENE DIISOCYANATE, PHENYLENE DIISOCYANATE, TOLYLENE DIISOCYANATE (TDI), 4,4''DIPHENYLMETHANE DIISOCYANATE (MDI), XYLYLENE DIISOCYANATE, NAPHTHALENE DIISOCYANATES, TRIPHENYLMETHANE TRIISOCYANATE, POLYMETHYL POLYPHENYL POLYISOCYANATES OBTAINED BY PHOSGENATION OF ANILINE-FORMALDEHYDE AND (C) FROM ABOUT 15 TO ABOUT 40 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE FURAN COMPOUND OF A PHOSPHOROUS-CONTAINING INORGANIC ACID SELECTED FROM THE GROUP CONSISTING OF ORTHOPHOSPHORIC ACID, METAPHOSPHORIC ACID, PYROPHOSPHORIC ACID, POLYPHOSPHORIC ACIDS, ORTHOPHOSPHOROUS ACID, HYPOPHOSPHOROUS ACID AND COMPLEXES THEREOF WITH AN ALCOHOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF A POLY(OXYPROPYLENE) ADDUCT OF TRIMETHYLOLPROPANE, A PROPYLENE OXIDE ADDUCT OF PENTAERYTHRITOL, SORBITOL N,N-BIS(2-HYDROXYETHYL)AMINE METHYL PHOSPHONATE, SORBITOL AND PROPYLENE GLYCOL.
Claim 3
Dependent Claim
45 words
The foam as defined by claim 1 wherein the reaction mixture further consisting essentially of (d) from about 5 to about 40 parts by weight per 100 parts by weight of the furan compound of a non-reducing alcohol compound having at least two hydroxyl groups.
Claim 4
Dependent Claim
53 words
The foam as defined by claim 1 wherein the reaction mixture further contains (e) from about 12 to about 25 parts by weight per 100 parts by weight of the furan compound of an amine compound selected from the group consisting of 3,3''-dichloro-4, 4''-diaminodiphenyl methane, methylene bis(aniline), 3,3''-dichloro-4,4''-diaminobiphenyl, 4,4''-diaminobiphenyl, ethylene diamine, and hexamethylenediamine.
Claim 5
Dependent Claim
35 words
The foam as defined by claim 1 wherein tHe reaction mixture further contains (f) from about 1 to about 4 parts by weight per 100 parts by weight of the furan compound of a surfactant.
Claim 6
Dependent Claim
37 words
The foam as defined by claim 1 wherein the reaction mixture further contains (g) from about 12 to about 25 parts by weight per 100 parts by weight of the furan compound of a supplementary blowing agent.
References Cited (Backward Citations)
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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) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |