Location History:
- Krakaudorf, AT (2009)
- Graz, AT (2002 - 2023)
Company Filing History:
1 out of 7 
1 out of 1 
1 out of 1 Years Active: 2002-2023
Title: Matthaeus Siebenhofer: Innovator in Chemical Processes
Introduction
Matthaeus Siebenhofer is a notable inventor based in Graz, Austria. He has made significant contributions to the field of chemical engineering, particularly in the development of processes for isolating lignin and producing carboxylic acid esters. With a total of 4 patents to his name, Siebenhofer's work has implications for both industrial applications and environmental sustainability.
Latest Patents
One of his latest patents is a process for isolating lignin from an alkaline process stream. This innovative method involves continuously introducing thickened black liquor into a circulation reactor with two concentric zones. The process allows for the absorption of a CO-containing gas, which is then drawn off, resulting in a reduced lignin content in the black liquor. Another significant patent focuses on the production of carboxylic acid esters through the esterification of carboxylic acids and/or transesterification of carboxylic acid esters with alcohols. This process utilizes a liquid metal catalyst, specifically the alkaline earth metal salt of a carboxylic acid, enhancing the efficiency of the reaction.
Career Highlights
Throughout his career, Matthaeus Siebenhofer has worked with several prominent companies, including Vtu Holding GmbH and BDI Biodiesel International AG. His expertise in chemical processes has made him a valuable asset in these organizations, contributing to advancements in biodiesel production and other chemical applications.
Collaborations
Siebenhofer has collaborated with notable professionals in his field, including Wolfgang Glasl and Michael Koncar. These partnerships have fostered innovation and the sharing of knowledge, further enhancing the impact of his work.
Conclusion
Matthaeus Siebenhofer's contributions to chemical engineering through his patents and collaborations highlight his role as an innovator in the industry. His work not only advances chemical processes but also supports sustainable practices in the field.