Inventor
SPENGLER HANS
DE8 patents
⚠️ This page may combine multiple inventors who share the name “SPENGLER HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RUETGERSWERKE AG
5 patentsUS4795847AJan 3, 1989
Preparation of 2,6-dialkyl-naphthalenes
RUETGERSWERKE AG28 citations89
US5262043ANov 16, 1993
Coal tar pitch and the preparation and use thereof
RUETGERSWERKE AG48 citations88
US4113931ASep 12, 1978
Process for the continuous production of indene resins
RUETGERSWERKE AG10 citations66
US5075416ADec 24, 1991
Novel process
RUETGERSWERKE AG4 citations57
US5283045AFeb 1, 1994
Sinterable carbon powder and method of its production
RUETGERSWERKE AG4 citations55