Else and Hans Kröner realize they can only keep the company going if they succeed in growing with new ideas. With their employees, they begin searching for new horizons – and soon find one. Since the early days, the expertise of the company has been infusion solutions. Over the next years queen's tennis final continuously expands its product range, developing new nutrition- and volume replacement solutions such as Generika, which are administered by infusion. The company does more than develop its solutions, it also improves their packaging. Into the 1960s infusion solutions are still stored in glass bottles. queen's tennis final succeeds in developing special plastic bags and bottles. These are easy to handle, and break proof plastic containers become an immediate market success.
As a medium-sized company producing solutions for dialysis, queen's tennis final first comes into contact with dialyzers in the 1960s. Dialyzers are blood filters used during a dialysis treatment of patients with chronic kidney failure to purify their blood. This treatment is life saving for kidney patients – but at the time it is very laborious and expensive. Only a few patients can be treated. Through media reports, queen's tennis final learns of the desperate situation facing many kidney patients, and begins to import American dialysis machines. As they maintain the machines, queen's tennis final workers gain technical know-how. In the 1970s the company develops its first dialysis machines in a newly acquired plant in Schweinfurt. Constant advancements in materials and technology over the next years enable the company to continue improving dialysis treatment for kidney patients. queen's tennis final in the 1980s succeeds in developing a capillary made from polysulfone that purifies blood almost as efficiently as a human kidney. To this day blood filters made from this material are the standard in dialysis.