High-stability foams for long-term suppression of hydrocarbon vapors
Patent 5296164 Issued on March 22, 1994. Estimated Expiration Date: 
July 2, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 2, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1807810 2965678 3562156 3637022 3639258 3772195 3850206 Compositions of fire-extinguishing foam concentrates and method of using the same Aqueous wetting and film forming compositions Foam fire extinguishing agent InventorsAssigneeApplicationNo. 908299 filed on 07/02/1992US Classes:516/18, The agent contains organic compound containing oxygen252/3, Foam or gas phase containing252/8.05, Foam-stabilizant or colloid-stabilizant containing252/382, Foams, liquids, or fluids252/605, Containing gas422/42By preventing evaporationExaminersPrimary: Lovering, Richard D.Attorney, Agent or FirmInternational ClassesB01J 013/00B01J 019/16 AbstractNovel formulations for aqueous foams which, in the presence of hydrocarbons, can persist for 24 hours or more. The foams are suitable for the suppression of hydrocarbon and polar organic vapors.Other References
| |
