The Katzauer brothers founded the "Lack- und Farbengroßhandlung Gebrüder Katzauer" in 1896. Initially still a trading business, they began producing their own window putty and various lime paints at the end of the 19th century. The acquisition of a 20-hectare site in Talstrasse in the early 1920s also laid the foundation for the chemical production of inorganic pigments. With this product range, the Bruchsaler Farbenfabrik achieved an international breakthrough.

In 1725 the house was purchased by a Jewish couple. The man was head of the Jewish community. Thus for the 1st time in Linz a Jewish couple, without opposition of the Christian majority, became owners of a property. In 1841 the house became the property of the Jewish community, which bought it. From then on it was used as a community center. The Jewish community center developed here. The prayer room was located on the upper floor, and the children were also taught there. In 1844, the teacher Moses Heilbronn was hired. The Jüd.

Victor Kurrein was 2nd city rabbi 1918, city rabbi from 1919 to 1923. In the city address book of the city of Karlsruhe from 1920, under the address - Kaiserstraße 34 and 34a -  the " Israelitische Gemeinde "  is listed. The following are the various entries - Kaiserstraße 34.- Israelitische Gemeinde  1st - Hockenjos Wilh., BildhauerWe.  Schorpp Friedr., Dampfwaschanstalt (store),  3rd Eisenmann Ad., FabriktWe.  Haschik Marie., Privat.  - Kaiserstr.34a. - Israelite Community. - 1. Rosenthal Emil, KfmWe; 2. Appel Dr. Meier, RabbiWe. Kurrein Dr.