Antifreeze protection of roads

Details Antifreeze protection of roads Antifreeze protection of roads

1980-06-05

1981-10-20

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

106 13, 106122, 106DIG7, 260 28R, 404 17, 404 19, 404 20, 521 55, C08G 1814

Patent

active

042962072

ABSTRACT:
Residue from dressing bauxite is mixed with NaCl and ground; polyurethane foam is ground and mixed with CaCl.sub.2 ; a silicon organic compound and quartz powder is added to one or both of the ground mixtures; the grains are embedded in bituminous material or asphalt to be used for making a surface road, being protected against frost by these salts. Specific examples and method steps are described.

REFERENCES:
patent: 3909474 (1975-09-01), Borchert et al.
patent: 4012537 (1977-03-01), Dubois
patent: 4094686 (1978-06-01), Dubois
patent: 4094805 (1978-06-01), Hansen
patent: 4148938 (1979-04-01), Hansen
patent: 4174912 (1979-11-01), Peterson

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