1912 Company established by Dr. Walter Weigert.
Discovery of bleaching solution (“Dr. Weigert’s Bleichessenz”) as a liquid product for laundry bleach. Supplying major laundries in Hamburg..
1920s Activities extended to supplying basket manufacturers with “Dr. Weigert´s Bleichessenz” and developing a further special alkaline bleaching agent, “Veloxiol Duplex”, for button manufacture.
Development of the first liquid alkaline cleaner and disinfectant for butter producers under the name neomoscan®.
Sale expansion of products for the dairy industry.
1949 Company re-established after the suspension of business activities during the war.
1950s Development of suitable cleaners and the first acid rinse aid for use in dishwashers, which were new at that time.
World-wide protection of the registered trade mark neodisher®.
Introduction to the market of neomoscan® M liquid, the first and still the dominant liquid active-chlorine product for the combined cleaning and disinfection of milking and milk-cooling systems.
1960s Development of the first phosphoric acid cleaners for the food industry under the registered trade mark niroklar®.
Expansion of the field of automated cleaning of laboratory glassware and medical instruments in close co-operation with the machine manufacturers.
1970s Focus on of the growth strategy on the expansion of the neodisher® range of applications in professionall kitchens with the emphasis on automated ware washing.
1980s Introduction to the market of the liquid cleaner neodisher® Alka 400 W for dishwashers.
Development of the neodisher® alkaline component process for machine dishwashing.
Development of doscan® F 85, the first additive for industrial high-speed bottle cleaning with biodegradable antifoam system.
1985 Establishment of Dr. Weigert’s French branch.
1990s Development of pH neutral, non-corrosive cleaners for automated dishwashing and the cleaning of surgical instruments.
1993 Establishment of Dr. Weigert’s Austrian branch.
1998 Establishment of Dr. Weigert’s Polish branch.
1999 Establishment of Dr. Weigert’s Hungarian branch.
2005 Establishment of Dr. Weigert’s branch in the Netherlands.
Introduction to the market of the “neodisher®3Clean concept” for the automated cleaning of medical equipment.
Introduction to the market of “neomoscan®compact”, the surfactant-free hygiene concept for the beverage industry.
2007 Completion of the new administration building in Hamburg
2009 Establishment of the subsidiary Dr. Weigert UK
Establishment of the subsidiary Dr. Weigert Spain