Inventor

AERTKEN KARL

DE4 patents

⚠️ This page may combine multiple inventors who share the name “AERTKEN KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUELS GAF CHEMIE GMBH

2 patents

US4373999AFeb 15, 1983

Distillation of butinediol-1,4

HUELS GAF CHEMIE GMBH1 citations46

US4967019AOct 30, 1990

Method of manufacturing 2-propyn-1-ol

HUELS GAF CHEMIE GMBH0 citations45

GAFF HUELS CHEMIE GMBH

1 patent

US4855516AAug 8, 1989

Method of manufacturing 2-propyn-1-ol

GAFF HUELS CHEMIE GMBH5 citations63

HUELS CHEMISCHE WERKE AG

1 patent

US4847440AJul 11, 1989

Method of manufacturing propynol

HUELS CHEMISCHE WERKE AG3 citations57