Coating processes – Coating pavement or the earth – Asphalt – bitumen – oil – or tar containing coating
Patent
1980-08-14
1983-12-27
Childs, Sadie L.
Coating processes
Coating pavement or the earth
Asphalt, bitumen, oil, or tar containing coating
106277, 2523115, 404 75, 405265, 427301, B05D 510, E01C 512
Patent
active
044230885
ABSTRACT:
A method for depositing asphalt from an asphalt emulsion onto an aggregate is disclosed comprising wetting the aggregate with water containing between about 0.01 weight percent and about 1.0 weight percent of coupling agent selected to have charge opposite to the charge of said asphalt emulsion and applying said asphalt emulsion to the wetted aggregate.
REFERENCES:
patent: 2285579 (1942-06-01), Groner
patent: 3220953 (1965-11-01), Borgfeldt
patent: 3359738 (1967-12-01), Dybalski
patent: 3432320 (1969-03-01), Pitchford
patent: 3513005 (1970-05-01), Bradshaw et al.
patent: 3549579 (1970-12-01), Sinclair
patent: 3738852 (1973-06-01), Doi et al.
patent: 3859227 (1975-01-01), Dwyer
patent: 4194023 (1980-03-01), Cushman et al.
Goodrich Judson E.
Graf Peter E.
Chevron Research Company
Childs Sadie L.
Dickinson Q. T.
Newell D. A.
Whitney J. M.
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