Composition for non-chloride based and less corrosive liquid...

Details Composition for non-chloride based and less corrosive liquid... Composition for non-chloride based and less corrosive liquid...

2007-10-02

2007-10-02

Green, Anthony J. (Department: 1755)

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

C106S013000, C427S421100

Reexamination Certificate

active

11431989

ABSTRACT:
A composition for a non-chloride based and less corrosive liquid type deicer is provided. The composition includes: potassium acetate of approximately 10% to approximately 20% by weight; disodium succinate of approximately 3% to approximately 10% by weight; dipotassium succinate of approximately 1% to approximately 5% by weight; ethylene glycol of approximately 5% to approximately 10% by weight; ethanol of approximately 5% to approximately 15% by weight; and an aqueous polyvinyl alcohol solution of approximately 40% to approximately 70% by weight. Such composition of the liquid type deicer is environmentally friendly by not containing chloride ions (e.g., non-pollution in soils), and is cost-effective due to an elongated reaction time by remaining continuously on snow/ice surfaces. Also, the composition of the liquid type deicer can be conveniently storable and easily sprayed, is not being re-frozen while being capable of removing snow/ice, and can replace expensive imported deicers.

REFERENCES:
patent: 6287480 (2001-09-01), Berglund et al.
patent: 6846431 (2005-01-01), Dunuwila et al.
patent: 6849198 (2005-02-01), Alger
patent: 7063803 (2006-06-01), Seo

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