Antiskid snow-clearing composition

Details Antiskid snow-clearing composition Antiskid snow-clearing composition

2011-05-24

2011-05-24

Green, Anthony J (Department: 1731)

Compositions

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

C106S013000, C427S215000, C427S220000

Reexamination Certificate

active

07947194

ABSTRACT:
The invention relates to a powdery snow-clearing, de-icing and antiskid composition, characterised in that it comprises a mixture of calcium salts containing from 70 to 90 wt % of calcium chloride and from 10 to 30 wt % of calcium carbonate. The invention also relates to a method for producing the same and to the use thereof as a snow-clearing agent.

REFERENCES:
patent: 5296167 (1994-03-01), Murray
patent: 5531931 (1996-07-01), Koefod
patent: 6440325 (2002-08-01), Hartley et al.
patent: 3141644 (1983-05-01), None
patent: 60-195178 (1985-10-01), None
patent: 60-202182 (1985-10-01), None
Derwent-Acc-No. 1983-44378K, abstract of German Patent Specification No. DE3141644A (May 1983).
International Search Report, [mail date of Feb. 12, 2008].

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