Company Filing History:
1 out of 36 
1 out of 8 
1 out of 23 Years Active: 1999-2012
Title: Barbel Hahn-Hagerdal: Innovator in Biotechnology
Introduction
Barbel Hahn-Hagerdal is a notable inventor based in Lund, Sweden. He has made significant contributions to the field of biotechnology, particularly in the development of fermentation processes. With a total of three patents to his name, his work has had a considerable impact on the industry.
Latest Patents
One of his latest patents involves a strain expressing both arabinose and xylose utilization pathways. This invention focuses on a strain that can ferment both arabinose and xylose to ethanol. It specifically highlights a strain with overexpression or upregulation of xylose- or aldose reductase (XR, AR) along with xylitol dehydrogenase (XDH). Additionally, it includes overexpression or upregulation of genes forming an arabinose utilization pathway. The invention encompasses both laboratory and industrial strains with these properties. Another significant patent involves novel polymer conjugates of polyethylene glycols or oxides. This invention provides polymer conjugates that are particularly useful in the separation of carboxylic acids from complex fermentation compositions. The polymer conjugates consist of polyethylene glycols or oxides and polyethyleneimine or polypropyleneimine in various ratios. These novel polymer conjugates enhance the extraction of carboxylic acids from fermentation systems by improving the partitioning of carboxylic acids from various polymeric components and adjusting the pH of the system for optimal performance and separation.
Career Highlights
Throughout his career, Barbel has worked with several companies, including Xyrofin Oy and Scandinavian Technology Group Ab. His expertise in biotechnology has allowed him to contribute to various innovative projects and advancements in the field.
Collaborations
Barbel has collaborated with notable individuals such as Johan Hallborn and Merja Elisa Penttila. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Barbel Hahn-Hagerdal is a distinguished inventor whose work in biotechnology has led to significant advancements in fermentation processes. His patents reflect his innovative approach and dedication to improving industrial applications.