Inventor
GEHRKE HELMUT
DE10 patents
⚠️ This page may combine multiple inventors who share the name “GEHRKE HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEHRKE HELMUT
3 patentsUS8398945B2Mar 19, 2013
Removal of ammonia nitrogen, ammonium nitrogen and urea nitrogen by oxidation with hypochlorite-containing solutions from exhaust air in plants for producing ammonia and urea
GEHRKE HELMUT1 citations43
US8648227B2Feb 11, 2014
Method for extracting pure styrene from a pyrolysis benzine fraction
GEHRKE HELMUT0 citations36
US9181149B2Nov 10, 2015
Regeneration of catalysts for dehydrating alkanes
GEHRKE HELMUT0 citations27