US Patent 7247254 Antifreeze composition and method

Patent 7247254 was granted and assigned to Camco Manufacturing on July, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Camco Manufacturing

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7247254

Date of Patent

July 24, 2007

Patent Application Number

11147947

Date Filed

June 8, 2005

Patent Primary Examiner

‌

Anthony J Green

Patent abstract

An antifreeze composition and method of use provides safety and protection for potable water systems in RVs, vacation homes, swimming pools and raw water cooled marine engines against freeze damage. The antifreeze composition includes propylene glycol, a sorbitol surfactant having a high Hydrophilic Lipophilic Balance (HLB) number and water. The preferred sorbitol surfactant consists of food grade polyoxyethylene (20) sorbitan monooleate. By directing the antifreeze composition into these water systems, freeze damage is prevented even when the temperature drops to extremely low levels.

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