Inventor
BOENIGK WINFRIED
DE4 patents
⚠️ This page may combine multiple inventors who share the name “BOENIGK WINFRIED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RUETGERSWERKE AG
3 patentsUS5262043ANov 16, 1993
Coal tar pitch and the preparation and use thereof
RUETGERSWERKE AG48 citations88
US4943365AJul 24, 1990
Method for the production of modified pitches and the further application
RUETGERSWERKE AG8 citations70
US5283045AFeb 1, 1994
Sinterable carbon powder and method of its production
RUETGERSWERKE AG4 citations55