Prof. Dr. Hans G. Hloch, studied mechanical engineering at Technical University Aachen (RWTH), from 1974 to 1978 doctoral theses at DTNW in Krefeld about thermal properties of PAN fibres; from 1977 to 1980 section head of engineering, since 1989 head of department of process technology at wfk and since 2005 head of department of hard surface cleaning; since 1980 professor at Applied University Lower Rhine (HS Niederrhein), Krefeld, since 1995 in the department economic engineering responsible for "cleaning and hygiene technology" 
Prof. Dr. Hans G. Hloch, studied mechanical engineering at Technical University Aachen (RWTH), from 1974 to 1978 doctoral theses at DTNW in Krefeld about thermal properties of PAN fibres; from 1977 to 1980 section head of engineering, since 1989 head of department of process technology at wfk and since 2005 head of department of hard surface cleaning; since 1980 professor at Applied University Lower Rhine (HS Niederrhein), Krefeld, since 1995 in the department economic engineering responsible for "cleaning and hygiene technology" 
