US2748078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire extinguishing foam-forming composition
Assignee: National Foam System Inc
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Filing: 1953-01-15
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Granted: 1956-05-29
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Expires: 1973-01-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Perri
- 👤 Sloviter Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:18
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN ALCOHOL-WATER BASE FOAM FORMING COMPOSITION IN CLAR SOLUTION FORMED BY THE ADMIXTURE IN SAID BASE OF THE FOLLOWING INGREDIENTS: A FOAMABLE PROTEINACEOUS HYDROLYSATE, A FATTY ACID CONTAINING 8-18 CARBON ATOMS, METAL ORGANIC SALT REACTABLE WITH THE FATTY ACID TO PRODUCE A WATER INSOLUBLE METAL-FATTY ACID SOAP, THE ORGANIC RADICAL OF SAID SALT BEING CHOSEN FROM THE GROUP CONSISTING OF LACTATE, GLUCONATE, AND CITRATE, AN ALKYLARYL SULFONATE AS A SOLUBILIZER FOR THE SOAP, AND A LOWER ALKANOL AMINE AS A SOLVENT FOR THE FATTY ACID; SAID INGREDIENTS BEING PRESENT APPROXIMATELY IN THE FOLLOWING PERCENTAGES OF THE COMPOSITION BY WEIGHT: PERCENTAGE OF HYDROLYSATE IN SAID COMPOSITION BEING EQUIVALENT TO THAT HAD WITH 50% TO 70% OF SAID COMPOSITION BEING AN AQUEOUS SOLUTION OF HYDROLYSATE OF SPECIFIC GRAVITY 1.170, FATTY ACID 2% TO 4% OF SAID COMPOSITION, SALT 2% TO 8% OF SAID COMPOSITION, SOLUBILIZER 5% TO 10% OF SAID COMPOSITION, AND FATTY ACID SOLVENT 1% TO 3% OF SAID COMPOSITION.
Claim 2
Dependent Claim
159 words
AN ALCOHOL-WATER BASE FOAM FORMING COMPOSITION IN CLAR SOLUTION FORMED BY THE ADMIXTURE IN SAID BASE OF THE FOLLOWING INGREDIENTS: A FOAMABLE PROTEINACEOUS HYDROLYSATE, A FATTY ACID CONTAINING 8-18 CARBON ATOMS, METAL ORGANIC SALT REACTABLE WITH THE FATTY ACID TO PRODUCE A WATER INSOLUBLE METAL-FATTY ACID SOAP, THE ORGANIC RADICAL OF SAID SALT BEING CHOSEN FROM THE GROUP CONSISTING OF LACTATE, GLUCONATE, AND CITRATE, AN ALKYLARYL SULFONATE AS A SOLUBILIZER FOR THE SOAP, AND A LOWER ALKANOL AMINE AS A SOLVENT FOR THE FATTY ACID; SAID INGREDIENTS BEING PRESENT APPROXIMATELY IN THE FOLLOWING PERCENTAGES OF THE COMPOSITION BY WEIGHT: PERCENTAGE OF HYDROLYSATE IN SAID COMPOSITION BEING EQUIVALENT TO THAT HAD WITH 50% TO 70% OF SAID COMPOSITION BEING AN AQUEOUS SOLUTION OF HYDROLYSATE OF SPECIFIC GRAVITY 1.170, FATTY ACID 2% TO 4% OF SAID COMPOSITION, SALT 2% TO 8% OF SAID COMPOSITION, SOLUBILIZER 5% TO 10% OF SAID COMPOSITION, AND FATTY ACID SOLVENT 1% TO 3% OF SAID COMPOSITION.
References Cited (Backward Citations)
US2154231A
Cited
US2405538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |