Patent US3639299A successfully refreshed from Google Patents.
US3639299A
Expired / Lapsed
US
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Novel flame retardant compositions and method of applying
Assignee: Boeing North American Inc
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Filing: 1968-03-05
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Granted: 1972-02-01
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Expires: 1988-03-05
Abstract
Abstract A FLAME RETARDANT COMPOSITON WHEREIN SAID COMPOSITION COMPRISES AN ESSENTIALLY FLAME RESISTANT BINDER HAVING INTIMATELY AND HOMOGENEOUSLY PROPORTIONED THEREIN AT LEAST TWO INORGANIC FLAME RETARDANTS; AT LEAST ONE ORGANIC FLAME RETARDANT; AT LEAST ONE NON-RESINOUS CARBONIFIC AGENT; AT LEAST ONE ORGANIC, NITROGENOUS INTUMESCENT ADJUTANT; AT LEAST ONE SPUMIFIC AGENT AND A NEUTRALIZING AND HALOGEN ABSORBING REAGENT AND WHEREIN SAID INGREDIENTS ARE INTERDEPENDENT AND COACTING TO PRODUCE THE DESIRED FLAME RESISTANT COMPOSITION OF MATTER.
Inventors
- 👤 Kenneth R Macdowall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:57
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/16; C09D5/00; C09D5/18; C09D5/185; Y; Y10; Y10S; Y10S260/00; Y10S260/24; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |