Fragen?
Privilegien Sammlung Header Image

Historical patents

Technological Inventions 1850 - 1899

Object: Verfahren zur Darstellung von gelben, roten bis rotbraunen, violetten und blauen, direkt färbenden Azofarbstoffen

Waiting...

Note to user

Dear user,

In response to current developments in the web technology used by the Goobi viewer, the software no longer supports your browser.

Please use one of the following browsers to display this page correctly.

Thank you.