Inventor

KREHER ALFONS

DE3 patents

Patents

3 patents

US4807819AFeb 28, 1989

Process and apparatus for granulating powdery materials

DEGUSSA17 citations69

US4179431ADec 18, 1979

Precipitated silicic acid granules

DEGUSSA9 citations69

US4430280AFeb 7, 1984

Process for the production of mixed granulate from carbon black and light filler

DEGUSSA4 citations61