As a legacy of the Henkel - Ecolab cooperation from 1991 -- 2001 , Henkel continued to hold a 29.5 % stake in Ecolab Inc. after the sale of the joint venture .
Ecolab integrated the former Henkel - Ecolab into its existing global operations .
As a legacy of the Henkel - Ecolab     cooperation from 1991 -- 2001 , Henkel continued to hold a 29.5 % stake in Henkel - Ecolab   after the sale of the joint venture .
Ecolab integrated the former Henkel - Ecolab into its existing global operations .