US2935471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retardant composition
Assignee: EIDP Inc
•
Filing: 1958-09-10
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Granted: 1960-05-03
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Aarons Ralph
- 👤 William H Baumgartner
- 👤 Daniel R English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:45
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/55; D06M11/56; D06M11/58; D06M11/66; D06M11/68; D06M11/70; D06M11/71; D06M11/80; D06M11/82; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A COMPOSITION USEFUL AS A FLAME RETARDANT COMPRISING 60 TO 90% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM SULFAMATE, AMMONIUM SULFATE, DIAMMONIUM MONOHYDROGEN PHOSPHATE AND MONOAMMONIUM DIHYDROGEN PHOSPHATE, 5 TO 20% BY WEIGHT OF A WEAKLY BASIC, NITROGENOUS, WATERSOLUBLE COMPOUND, AND 5 TO 20% BY WEIGHT OF A WATERSOLUBLE BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID AND AN ALKALI METAL BORATE, SAID ALKALI METAL BORATE HAVING AN ALKALI METAL TO BORON ATOMIC RATIO OF FROM ABOUT 1/3 TO 1/2.
Claim 2
Dependent Claim
89 words
A COMPOSITION USEFUL AS A FLAME RETARDANT COMPRISING 60 TO 90% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM SULFAMATE, AMMONIUM SULFATE, DIAMMONIUM MONOHYDROGEN PHOSPHATE AND MONOAMMONIUM DIHYDROGEN PHOSPHATE, 5 TO 20% BY WEIGHT OF A WEAKLY BASIC, NITROGENOUS, WATERSOLUBLE COMPOUND, AND 5 TO 20% BY WEIGHT OF A WATERSOLUBLE BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF BORIC ACID AND AN ALKALI METAL BORATE, SAID ALKALI METAL BORATE HAVING AN ALKALI METAL TO BORON ATOMIC RATIO OF FROM ABOUT 1/3 TO 1/2.
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |