Compositions: coating or plastic – Coating or plastic compositions – Pore forming
Reexamination Certificate
2005-01-25
2005-01-25
Brunsman, David (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Pore forming
C106S281100, C106S283000, C427S138000, C404S017000, C404S079000, C404S092000
Reexamination Certificate
active
06846354
ABSTRACT:
The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggregate material. A system for preparing the warm mix asphalt composition comprising a drying drum for heating and drying the aggregate component, a mixing mill for mixing the asphalt components and a mix storage silo, where the system also includes foam production facilities for foaming the hard binder before introduction to the mixing mill, is also disclosed.
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English Translation of the Abstract of DE 4308567 dated Aug. 25, 1994.
English Translation of the Abstract and Claims of EP 0589740 dated Mar. 30, 1994.
Larsen Olle R.
Robertus Carl .
Brunsman David
Kolo Veidekke A.S.
Ladas & Parry LLP
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