Inventor
BARTHEL WALTER
DE9 patents
Patents
9 patentsUS4375988AMar 8, 1983
Bituminous binder, process for its production and use
DEGUSSA34 citations91
US4371400AFeb 1, 1983
Mastic asphalt composition
DEGUSSA18 citations81
US5382348AJan 17, 1995
Granular bitumen coated with precipitated silica
DEGUSSA13 citations72
US5053279AOct 1, 1991
Granular bitumen coated with carbon black or silica
DEGUSSA7 citations72
US4993884AFeb 19, 1991
Method and spraying apparatus for applying a layer of air-sprayed concrete
DEGUSSA18 citations72
US4410589AOct 18, 1983
Process for improving the mineral asphalt coatings for streets and paths and products
DEGUSSA11 citations71
US4378999AApr 5, 1983
Pulverulent bitumen concentrate and its use
DEGUSSA2 citations61
US4322250AMar 30, 1982
Mastic asphalt mixture
DEGUSSA4 citations61
US4710229ADec 1, 1987
Powdered bitumen concentrate and its use
DEGUSSA2 citations60