Johan Van Walsem

Title: Innovations of Johan Van Walsem

Introduction

Johan Van Walsem is an accomplished inventor based in Berkeley, California. He has made significant contributions to the field of biotechnology, particularly in the production of glyceric acid and malonic acid derivatives. With a total of three patents to his name, Van Walsem's work is recognized for its innovative approaches to bio-based chemical production.

Latest Patents

One of Van Walsem's latest patents is focused on recombinant host cells and methods for the production of glyceric acid and downstream products. This patent discloses methods and materials related to producing glyceric acid through direct fermentation from sugars. It includes isolated nucleic acids, polypeptides, and host cells that facilitate this production process.

Another notable patent is for the method of preparation of diester derivatives of malonic acid. This patent outlines methods for creating bio-based malonic acid and its diester derivatives. The process involves several steps, including the separation of calcium malonate crystals from fermentation broth and the subsequent crystallization and esterification to obtain dialkyl malonate. The methods described in this patent aim to produce diester derivatives with fewer impurities, enhancing their utility in various industrial applications.

Career Highlights

Johan Van Walsem is currently associated with Lygos, Inc., a company that focuses on sustainable chemical production. His work at Lygos has been instrumental in advancing the company's mission to develop innovative bioprocesses. His expertise in biotechnology and chemical engineering has contributed to the company's growth and success in the industry.

Collaborations

Throughout his career, Van Walsem has collaborated with notable colleagues, including Jeffrey Allen Dietrich and Eric J Steen. These collaborations have fostered a productive environment for innovation and have led to the development of groundbreaking technologies in the field of biotechnology.

Conclusion

Johan Van Walsem is a prominent inventor whose work in biotechnology has led to significant advancements in the production of glyceric acid and malonic acid derivatives. His contributions through patents and collaborations continue to influence the industry positively.