Patent US2523626A successfully refreshed from Google Patents.
US2523626A
Expired / Lapsed
US
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Fire-retardant composition and process
Assignee: Albi Manuf Co Inc
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Filing: 1948-08-20
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Granted: 1950-09-26
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Expires: 1968-08-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Grinnell Jones
- 👤 Juda Walter
- 👤 Soll Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D5/185; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A FIRE-RETARDANT COMPOSITION COMPRISING A MIXTURE OF A PROTEIN, A FOAM-FORMING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOSPHATE, PHOSPHORIC ACID, AMMONIUM SULFATE, SULFAMIC ACID, AMMONIUM SULFAMATE, AMMONIUM BROMIDE SODIUM TUNGSTATE, SODIUM BORATE AND BORIC ACID, AND A BINDER SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE RESIN MADE BY CONDENSING UREA AND A SOURCE OF FORMALDEHYDE IN A RATIO BETWEEN 1 AND 2.5 MOLES OF FORMALDEHYDE PER MOLE OF UREA, AND UREA-FORMALDEHYDE RESIN FORMING COMPOUNDS, SAID COMPOUNDS BEING UREA AND A SOURCE OF FORMALDEHYDE, IN A RATIO BETWEEN 1 AND 2.5 MOLES OF FORMALDEHYDE PER MOLE OF UREA, SAID BINDER BEING PRESENT IN AMOUNT BETWEEN 20% AND 70% OF THE WEIGHT OF THE FOAMFORMING INGREDIENT, THE PROTEIN BEING PRESENT IN AMOUNT NOT LESS THAN 5% OF THE FOAM-FORMING INGREDIENT, AND THE COMBINED WEIGHT OF THE PROTEIN AND THE BINDER NOT EXCEEDING THE WEIGHT OF THE FOAM-FORMING INGREDIENT, SAID MIXTURE BEING SUSPENDED IN A LIQUID IN CONCENTRATION BETWEEN 25% AND 75% BY WEIGHT OF THE RESULTING LIQUID COMPOSITION.
Claim 2
Dependent Claim
170 words
A FIRE-RETARDANT COMPOSITION COMPRISING A MIXTURE OF A PROTEIN, A FOAM-FORMING INGREDIENT SELECTED FROM THE GROUP CONSISTING OF MONOAMMONIUM PHOSPHATE, DIAMMONIUM PHOSPHATE, PHOSPHORIC ACID, AMMONIUM SULFATE, SULFAMIC ACID, AMMONIUM SULFAMATE, AMMONIUM BROMIDE SODIUM TUNGSTATE, SODIUM BORATE AND BORIC ACID, AND A BINDER SELECTED FROM THE GROUP CONSISTING OF UREA-FORMALDEHYDE RESIN MADE BY CONDENSING UREA AND A SOURCE OF FORMALDEHYDE IN A RATIO BETWEEN 1 AND 2.5 MOLES OF FORMALDEHYDE PER MOLE OF UREA, AND UREA-FORMALDEHYDE RESIN FORMING COMPOUNDS, SAID COMPOUNDS BEING UREA AND A SOURCE OF FORMALDEHYDE, IN A RATIO BETWEEN 1 AND 2.5 MOLES OF FORMALDEHYDE PER MOLE OF UREA, SAID BINDER BEING PRESENT IN AMOUNT BETWEEN 20% AND 70% OF THE WEIGHT OF THE FOAMFORMING INGREDIENT, THE PROTEIN BEING PRESENT IN AMOUNT NOT LESS THAN 5% OF THE FOAM-FORMING INGREDIENT, AND THE COMBINED WEIGHT OF THE PROTEIN AND THE BINDER NOT EXCEEDING THE WEIGHT OF THE FOAM-FORMING INGREDIENT, SAID MIXTURE BEING SUSPENDED IN A LIQUID IN CONCENTRATION BETWEEN 25% AND 75% BY WEIGHT OF THE RESULTING LIQUID COMPOSITION.
References Cited (Backward Citations)
GB334408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |