US3558486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire fighting compositions with asbestos thickening agent
Assignee: Monsanto Co
•
Filing: 1968-05-06
•
Granted: 1971-01-26
•
Expires: 1988-05-06
Abstract
Abstract A FIRE RETARDANT COMPOSITION IS DISCLOSED WHICH COMPRISES FROM ABOUT 10% TO ABOUT 50% OF A PARTICULAR TYPE OF ASBESTOS AND FROM ABOUT 50% TO ABOUT 90% OF A FIRE RETARDANT SALT, THE WEIGHT RATIO OF THE ASBESTOS TO SALT BEING FROM ABOUT 1:1 TO ABOUT 1:10. AQUEOUS MIXTURES CONTAINING SPECIFIED LEVELS OF THE FIRE RETARDANT COMPOSITIONS HAVE A SUITABLE VISCOSITY WHICH ENABLES THE MIXTURES TO IMPART EFFECTIVE FIRE RETARDANCY TO COMBUSTIBLE OBJECTS WHEN SUCH MIXTURES ARE DROPPED FROM THE AIR.
Inventors
- 👤 William W Morgenthaler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:55
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/0009; A62C99/0045; A62D; A62D1/00; A62D1/0028; A62D1/0035
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |