Hoffmann Mineral 100 Years. Over four generations today's company Hoffmann Mineral GmbH & Co. KG, registered in Neuburg an der Donau/Germany, developed from a cleaning agent manufacturer to a innovative filler expert. The right farsightedness, well aimed investments as well as confidence in the generation following in each case and in the abilities of the employees opened world-wide markets to the medium-size enterprise, particularly in the rubber industry.