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US 12,515,087 B2Granted
Antifreeze formulations and sprinkler systems comprising improved antifreezes
AssigneeTyco Fire Products LP
InventorsHayden Erik Hernandez, Jeremy Tyler Cogswell, Sean E. Cutting, Jacob Gelinas
Life of this patent
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Abstract
Antifreezes are provided for deployment in wet sprinkler systems located in cold environments. The antifreezes allow for the wet sprinkler system to be actuated under temperatures below 32° F. Wet sprinklers, sprinkler systems, methods of providing for the control, suppression and/or extinguishment of a fire that occur in a cold environment, and methods of preventing wet sprinklers from freezing also are provided. The sprinklers, sprinkler systems and methods can be used in residential, commercial and storage settings.
Claims17
An antifreeze comprising:
- water;
- 35 to 48 vol. % glycerol;
- and
- 0.01 to 1.75 wt. % of an organic acid salt that is a salt of formic acid (methanoic acid), acetic acid (ethanoic acid), propionic acid, butyric acid (butanoic acid), valeric acid (pentanoic acid), caproic acid (hexanoic acid), lactic acid (2-hydroxypropanoic acid), malic acid (2-hydroxybutanedioic acid), citric acid (2-hydroxypropane-1,2,3-tricarboxylic acid), benzoic acid (benzenecarboxylic acid), oxalic acid (ethanedioic acid), malonic acid (propanedioic acid), succinic acid (butanedioic acid), glutaric acid (pentanedioic acid), adipic acid (hexanedioic acid), pimelic acid (heptanedioic acid), suberic acid (octanedioic acid), azelaic acid (nonanedioic acid), sebacic acid (decanedioic acid), or a mixture of any two or more thereof.
1 more element
Dependencies are inferred from the claim text.