A method for providing a fluid composition with improved fire resistance
CA 2409213 A1 · Owner: Union Carbide Chemicals & Plastics Technology Corporation · Inventors: Brown, William Lowell; Totten, George Edward; Matlock, Paul Lumpkin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a method for providing an anhydrous poly(alkylene glycol)-based fluid composition with Group 1 or Group 2 fire resistance properties. According to the method the fluid composition is , formulated with an ethylene oxide/alkylene oxide wt. percent ratio and/or an amount of antioxidant sufficient to provide the fluid composition with a spray flammability parameter of less than 8.0 x 104. Fluid compositions formulated according to the invention are useful as hydraulic fluids and quenchants and in other industrial and commercial applications requiring fluids having enhanced fire resistance.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed May 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.